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Writings

John Thorndyke’s Cases
Related by Christopher Jervis, M. D.

by R. Austin Freeman
Illustrations by H. M. Brock

I.—The Blue Sequin

R._Austin_Freeman-year-unknown
R. Austin Freeman
Year Unknown

Much has been written about R. Austin Freeman; so much so that there really is no need to discuss his life and career here at length. Suffice to say that Freeman was a medical doctor who became a writer—not only of mysteries (including “The Case of Oscar Brodski,” the first inverted detective story), but also of non-genre novels, stories and articles—and, along the way, became one of the main proponents of treating the mystery story as serious literature.

Aside from his collaborations with John Pitcairn, which were published under the pseudonym of Clifford Ashdown, Freeman is best known for the creation of John Thorndyke. Freeman never explained what moved him to create Thorndyke. Mystery stories were very popular in the Victorian and Edwardian eras and many authors, noting the popularity of Holmes, attempted to emulate Doyle and create their own version of a consulting detective, but none caught the attention of the reading public. With the seeming retirement of Holmes in 1904, it is quite possible that Freeman, recognizing that Holmes was a product of the Victorian era, decided a new type of detective—one who reflected the public’s growing interest in science and also the advancements made in criminology—was needed. Whatever the circumstances, the result of Freeman’s efforts was Dr. John Thorndyke, who was not a detective by trade, but one of the first forensic investigators.

At first reading, Thorndyke may seem like an overly fastidious Holmes without the personality quirks. Freeman’s work is a bit more streamlined than Doyle’s, but follows Doyle’s formula for the Thorndyke mysteries, including the assistant/narrator who chronicles the doctor’s adventures. Freeman recognized the similarities between the characters and, in 1935, wrote an essay (excerpted here) in which he discussed Thorndyke, his methods and addresses the matter of Holmes and Thorndyke:

I may begin by saying that he was not modeled after any real person. He was deliberately created to play a certain part, and the idea that was in my mind was that he should be such a person as would be likely and suitable to occupy such a position in real life. As he was to be a medico-legal expert, he had to be a doctor and a fully trained lawyer.

Now a few words as to how Thorndyke goes to work. His methods are rather different from those of the detectives of the Sherlock Holmes school. They are more technical and more specialized. He is an investigator of crime but he is not a detective. The technique of Scotland Yard would be neither suitable nor possible to him. He is a medico-legal expert, and his methods are those of medico-legal science.

In the investigation of a crime there are two entirely different methods of approach. One consists in the careful and laborious examination of a vast mass of small and commonplace detail: inquiring into the movements of suspected and other persons; interrogating witnesses and checking their statements particularly as to times and places; tracing missing persons, and so forth—the aim being to accumulate a great body of circumstantial evidence which will ultimately disclose the solution of the problem. It is an admirable method, as the success of our police proves, and it is used with brilliant effect by at least one of our contemporary detective writers. But it is essentially a police method.

The other method consists in the search for some fact of high evidential value which can be demonstrated by physical methods and which constitutes conclusive proof of some important point. This method also is used by the police in suitable cases. Finger-prints are examples of this kind of evidence, and another instance is furnished by the Gutteridge murder. Here the microscopical examination of a cartridge-case proved conclusively that the murder had been committed with a particular revolver; a fact which incriminated the owner of that revolver and led to his conviction.

This is Thorndyke’s procedure. It consists in the interrogation of things rather than persons; of the ascertainment of physical facts which can be made visible to eyes other than his own. And the facts which he seeks tend to be those which are apparent only to the trained eye of the medical practitioner.

It must also be added that Freeman performed all the experiments used by Thorndyke and visited the locations used in the stories, in order to ensure the accuracy of his tales.

“The Blue Sequin” is the first short story to feature Dr. Thorndyke, but is not the first appearance of the character. Freeman’s novel, The Red Thumb Mark, which was published in 1907 (it does not appear to have been serialized prior to the book publication), was the true first appearance of the character. “The Blue Sequin,” and the next eight stories in the series, appeared between 1908 and 1910 in Pearson’s under the umbrella title of “John Thorndyke’s Cases” and were later collected into a book of the same name. Over a period of 35 years, Thorndyke appeared in 21 novels and 40 short stories and his adventures are still in print today.

“The Blue Sequin”, the first of “John Thorndyke’s Cases,” was originally published in the December, 1908 issue of Pearson’s Magazine (UK).

Bob Gay
July, 2025
Introduction © 2025 by Bob Gay
Editor’s Note: C. Arthur Pearson LTD, the publishers of Pearson’s Magazine, had a fascination with photography and while many of their photo essays are extremely well done and informative—as they capture people and places of their time—many of their attempts to illustrate their fiction offerings with photographs were less successful. “The Blue Sequin” is a case in point, as there were two photographs used in the text to illustrate items that appear in the story. Unfortunately, these photos were of lesser quality than those that usually appeared from Pearson’s and were either badly reproduced or suffered in the scanning of the original magazine pages. As a result, we have removed the photos from our reprinting of the story, since their absence does not detract from the narrative and, to be honest, their inclusion gives away the ending of the story, which features one of the oddest crimes we have ever seen.
We discovered a number of uncommon words within the text and have defined them within the story. On desktop or laptop computers, running your mouse pointer over these words will cause the definition of these words to appear in a small pop-up tooltip. On mobile devices, tapping the highlighted words will cause the same behavior, like this (moving your mouse pointer, or tapping the tooltip, will cause the tooltip to disappear).

Original title art for The Blue Sequin
This series is something quite new in criminal stories, and perhaps more fascinating and ingenious than any hitherto published. The hero, John Thorndyke, brings not only his native wit and the skill of deduction to bear on the mysteries brought to his notice, but chiefly his great knowledge of chemistry and medicine, and proves how vastly important these sciences are in the detection of crime.
I.—The Blue Sequin
(A Complete Story.)
i-am-afraid-we-have-missed-our-friend
“I am afraid we have missed our friend.” He closed the door, and, as the train began to move, thrust his head out of the window.

THORNDYKE stood looking up and down the platform with anxiety that increased as the time drew near for the departure of the train.

“This is very unfortunate,” he said, reluctantly stepping into an empty smoking compartment as the guard executed a flourish with his green flag. “I am afraid we have missed our friend.” He closed the door, and, as the train began to move, thrust his head out of the window.

“Now I wonder if that will be he,” he continued. “If so, he has caught the train by the skin of his teeth and is now in one of the rear compartments.”

The subject of Thorndyke’s speculations was Mr. Edward Stopford, of the firm of Stopford & Myers, of Portugal Street, solicitors, and his connection with us at present arose out of a telegram that had reached our chambers on the preceding evening. It was reply-paid, and ran thus: “Can you come here to-morrow to direct defence? Important case. All costs undertaken by us.—Stopford & Myers.”

Thorndyke’s reply had been in the affirmative, and early on this present morning a further telegram—evidently posted overnight—had been delivered. “Shall leave for Woldhurst by 8.25 from Charing Cross. Will call for you if possible.—Edward Stopford.” He had not called, however, and, since he was unknown, personally, to us both, we could not judge whether or not he had been among the passengers on the platform.

“It is most unfortunate,” Thorndyke repeated, “for it deprives us of that preliminary consideration of the case which is so invaluable.” He filled his pipe thoughtfully and, having made a fruitless inspection of the platform at London Bridge, took up the paper that he had bought at the bookstall and began to turn over the leaves, running his eye quickly down the columns, unmindful of the journalistic baits in paragraph or article.

This may be the place to introduce my friend a little more formally to the reader. John Thorndyke is what, for lack of a better description, I must describe as a medico-legal expert—a man as profoundly versed in medical science as in criminal and civil law. His investigations had led, perhaps more frequently than those of any man living, to the solution of problems which had completely baffled the police.

the-mysterious-tragedy-of-the-blue-sequin
The Mysterious Tragedy of the Blue Sequin

“It is a great disadvantage,” he observed, while still glancing through the paper, “to come plump into an inquiry without preparation—to be confronted with the details before one has a chance of considering the case in general terms. For instance”

He paused, leaving the sentence unfinished, and as I looked up inquiringly, I saw that he had turned over another page and was now reading attentively.

“This looks like our case, Jervis,” he said presently, handing me the paper and indicating a paragraph at the top of the page. It was quite brief, and was headed, “Terrible Murder in Kent,” the account being as follows:

A shocking crime was discovered yesterday morning at the little town of Woldhurst, which lies on the branch line from Halbury Junction. The discovery was made by a porter who was inspecting the carriages of the train which had just come in. On opening the door of a first-class compartment he was horrified to find the body of a fashionably-dressed woman stretched upon the floor. Medical aid was immediately summoned, and on the arrival of the divisional surgeon, Dr. Morton, it was ascertained that the woman had not been dead more than a few minutes.

The state of the corpse leaves no doubt that a murder of a most brutal kind has been perpetrated, the cause of death being a penetrating wound of the head, inflicted with some pointed implement, which must have been used with terrible violence since it had perforated the skull and entered the brain. That robbery was not the motive of the crime is made clear by the fact that an expensively- fitted dressing-bag was found on the rack, and that the dead woman’s jewellery, including several valuable diamond rings, was untouched. It is rumoured that an arrest has been made by the local police.

“A gruesome affair,” I remarked as I handed back the paper, “but the report does not give us much information.”

“It does not.” Thomdyke agreed, “and yet it gives us something to consider. Here is a perforating wound of the skull, inflicted with some pointed implement—that is assuming that it is not a bullet wound. Now what kind of implement would be capable of inflicting such an injury? How would such an implement be used in the confined space of a railway carriage, and what sort of person would be in possession of such an implement. These are preliminary questions that are worth considering, and I commend them to you together with the further problems of the possible motive—excluding robbery—and any circumstances other than murder which might account for the injury.”

“The choice of suitable implements is not very great,” I observed.

“It is very limited, and most of them, such as a plasterer’s pick or a geological hammer, are associated with certain definite occupations. You have a note-book?”

I had, and, accepting the hint, I produced it and pursued my further reflections in silence, while my companion, with his notebook also on his knee, gazed steadily out of the window. And thus he remained, wrapped in thought, jotting down an entry now and again in his book, until the train slowed down at Halbury Junction, where we had to change on to a branch line.

AS we stepped out, I noticed a well-dressed man hurrying up the platform from the rear and eagerly scanning the faces of the few passengers who had alighted. Soon he espied us and approaching quickly, asked, as he looked from one of us to the other:

“Dr. Thorndyke?”

“Yes,” replied my colleague, adding: “And you, I presume, are Mr. Edward Stopford?”

The solicitor bowed. “This is a dreadful affair,” he said in an agitated manner. “I see you have the paper. A most shocking affair. I am immensely relieved to find you here. Nearly missed the train and feared I should miss you.”

“There appears to have been an arrest,” Thorndyke began.

“Yes—my brother. Terrible business. Let us walk up the platform; our train won’t start for a quarter of an hour yet.”

We deposited our joint Gladstone and Thorndyke’s travelling case in an empty first-class compartment, and then, with the solicitor between us, strolled up to the unfrequented end of the platform.

“My brother’s position,” said Mr. Stopford, “fills me with dismay—but let me give you the facts in order, and you shall judge for yourself. This poor creature who has been murdered so brutally was a Miss Edith Grant. She was formerly an artist’s model, and as such was a good deal employed by my brother who is a painter—Harold Stopford, you know, A.R.A. now——”

“I know his work very well, and charming work it is.”

“I think so too. Well, in those days he was quite a youngster—about twenty—and he became very intimate with Miss Grant, in quite an innocent way, though not very discreet; but she was a nice respectable girl, as most English models are, and no one thought any harm. However, a good many letters passed between them, and some little presents, amongst which was a beaded chain carrying a locket, and in this he was fool enough to put his portrait and the inscription, ‘ Edith, from Harold.’

“Later on, Miss Grant, who had a rather good voice, went on the stage, in the comic opera line, and, in consequence, her habits and associates changed somewhat; and, as Harold had meanwhile become engaged, he was naturally anxious to get his letters back, and especially to exchange the locket for some less compromising gift. The letters she eventually sent him, but refused absolutely to part with the locket.

“Now for the last month Harold has been staying at Halbury, making sketching excursions into the surrounding country, and yesterday morning he took the train to Shinglehurst, the third station from here and the one before Woldhurst.

“On the platform here he met Miss Grant, who had come down from London, and was going on to Worthing. They entered the branch train together, having a first-class compartment to themselves. It seems she was wearing his locket at the time, and he made another appeal to her to make an exchange, which she refused, as before. The discussion appears to have become rather heated and angry on both sides, for the guard and a porter at Munsden both noticed that they seemed to be quarrelling; but the upshot of the affair was that the lady snapped the chain, and tossed it together with the locket to my brother, and they parted quite amiably at Shinglehurst, where Harold got out. He was then carrying his full sketching kit, including a large holland umbrella, the lower joint of which is an ash staff fitted with a powerful steel spike for driving into the ground.

“It was about half-past ten when he got out at Shinglehurst; by eleven he had reached his pitch and got to work, and he painted steadily for three hours. Then he packed up his traps, and was just starting on his way back to the station, when he was met by the police and arrested.

“And now observe the accumulation of circumstantial evidence against him. He was the last person seen in company with the murdered woman—for no one seems to have seen her after they left Munsden ; he appeared to be quarrelling with her when she was last seen alive, he had a reason for possibly wishing for her death, he was provided with an implement—a spiked staff—capable of inflicting the injury which caused her death, and, when he was searched, there was found in his possession the locket and broken chain; apparently removed from her person with violence.

“Against all this is, of course, his known character—he is the gentlest and most amiable of men—and his subsequent conduct—imbecile to the last degree if he had been guilty; but, as a lawyer, I can’t help seeing that appearances are almost hopelessly against him.”

“We won’t say ‘hopelessly’” replied Thorndyke, as we took our places in the carriage, “though I expect the police are pretty cocksure. When does the inquest open?”

“To-day at four. I have obtained an order from the coroner for you to examine the body and be present at the post mortem.”

“Do you happen to know the exact position of the wound?”

“Yes; it is a little above and behind the left ear—a horrible round hole, with a ragged cut or tear running from it to the side of the forehead.”

“And how was the body lying?”

“Right along the floor, with the feet close to the off-side door.”

“Was the wound on the head the only one?”

“No; there was along cut or bruise on the right cheek—a contused wound the police surgeon called it, which he believes to have been inflicted with a heavy and rather blunt weapon. I have not heard of any other wounds or bruises.”

“Did anyone enter the train yesterday at Shinglehurst?” Thorndyke asked.

“No one entered the train after it left Halbury.”

Thorndyke considered these statements in silence, and presently fell into a brown study, from which he roused only as the train moved out of Shinglehurst station.

“It would be about here that the murder was committed,” said Mr. Stopford ; “at least between here and Woldhurst.”

Thorndyke nodded rather abstractedly, being engaged at the moment in observing with great attention the objects that were visible from the windows.

“I notice,” he remarked presently, “a number of chips scattered about between the rails and some of the chair-wedges look new. Have there been any platelayers at work lately?”

“Yes,” answered Slopford, "they are on the line now, I believe—at least I saw a gang working near Woldhurst yesterday, and they are said to have set a rick on fire; I saw it smoking when I came down.”

“Indeed, and this middle line of rails is, I suppose, a sort of siding?”

“Yes; they shunt the goods trains and empty trucks on to it. There are the remains of the rick—still smouldering, you see.”

Thorndyke gazed absently at the blackened heap until an empty cattle truck on the middle track hid it from view. This was succeeded by a line of goods waggons, and these by a passenger coach, one compartment of which —a first-class—was closed up and sealed. The train now began to slow down rather suddenly, and a couple of minutes later we brought up in Woldhurst station.

IT was evident that rumours of Thorndyke’s advent had preceded us, for the entire staff—two porters, an inspector, and the stationmaster—were waiting expectantly on the platform, and the latter came forward, regardless of his dignity, to help us with our luggage.

“Do you think I could see the carriage?” Thorndyke asked the solicitor.

“Not the inside, sir,” said the stationmaster, on being appealed to. “The police have sealed it up. You would have to ask the inspector.”

“Well, I can have

a look at the outside, I suppose?” said Thorndyke, and to this the stationmaster readily agreed, and offered to accompany us.

“What other first-class passengers were there?” Thorndyke asked.

“None, sir. There was only one first-class coach, and the deceased was the only person in it. It has given us all a dreadful turn, this affair has,” he continued, as we set off up the line. “I was on the platform when the train came in. We were watching a rick that was burning up the line, and a rare blaze it made, too; and 1 was just saying that we should have to move the cattle truck that was on the mid track, because, you see, sir, the smoke and sparks were blowing across, and I thought it would frighten the poor beasts. And Mr. Felton he don’t like his beasts handled roughly; he says it spoils the meat.”

“No doubt he is right,” said Thorndyke. “But now, tell me, do you think it is possible for any person to board or leave the train on the off side unobserved? Could a man, for instance, enter a compartment on the off side at one station and drop off as the train was slowing down at the next, without being seen?”

“I doubt it,” replied the station-master ; “still, I wouldn’t say it is impossible.”

"Thank you. Oh, and there’s another question: you have a gang of men at work on the line, I see. Now, do those men belong to the district?”

“No, sir; they are strangers, every one, and pretty rough diamonds some of ’em are. But I shouldn’t say there was any real harm in ’em. If you was suspecting any of ’em of being mixed up in this——”

“I am not,” interrupted Thorndyke rather shortly. “I suspect nobody; but I wish to get all the facts of the case at the outset.”

“Naturally, sir,” replied the abashed official; and we pursued our way in silence.

“Do you remember, by the way,” said Thorndyke, as we approached the empty coach, “whether the off-side door of the compartment was closed and locked when the body was discovered?”

thorndyke-walked-slowly-from-end-to-end-redux
Thorndyke walked slowly from end to end with his eyes but a few inches from the footboard, as though he was searching for something.

“It was closed, sir, but not locked. Why, sir, did you think——?”

“Nothing, nothing; the sealed compartment is the one, of course?”

Without waiting for a reply, he commenced his survey of the coach, while I gently restrained our two companions from shadowing him, as they were disposed to do. The offside footboard occupied his attention specially, and when he had scrutinised minutely the part opposite the fatal compartment, he walked slowly from end to end with his eyes but a few inches from its surface, as though he was searching for something.

Near what had been the rear end he stopped, and drew from his pocket a piece of paper; then, with a moistened finger-tip he picked up from the footboard some evidently minute object, which he carefully transferred to the paper, folding the latter and placing it in his pocket-book.

He next mounted the footboard, and, having peered in through the window of the sealed compartment, produced from his pocket a small insufflator or powder blower, with which he blew a stream of impalpable smoke-like powder on to the edges of the middle window, bestowing the closest attention on the irregular dusty patches in which it settled, and even measuring one on the jamb of the window with a pocket-rule. At length he stepped down and, having carefully looked over the near-side footboard, announced that he had finished for the present.

As we were returning down the line we passed a working man, who seemed to be viewing the chairs and sleepers with more than casual interest.

“That, I suppose, is one of the platelayers?” Thorndyke suggested to the stationmaster.

“Yes, the foreman of the gang,” was the reply.

“I’ll just step back and have a word with him, if you will walk on slowly;” and my colleague turned back briskly and overtook the man, with whom he remained in conversation for some minutes.

“I think I see the police inspector on the platform,” remarked Thorndyke, as we approached the station.

“Yes, there he is,” said our guide, “come down to see what you are after, sir, I expect;” which was doubtless the case, although the officer professed to be there by the merest chance.

“You would like to see the weapon, sir, I suppose,” he remarked, when he had introduced himself.

“The umbrella-spike,” Thorndyke corrected; “yes, if I may. We are going to the mortuary now.”

“Then you’ll pass the station on the way, so, if you care to look in, I will walk up with you.”

This proposition being agreed to, we all proceeded to the police station, including the stationmaster, who was on the very tip-toe of curiosity.

“There you are, sir,” said the inspector, unlocking his office and ushering us in; “don’t say we haven’t given every facility to the defence. There are all the effects of the accused, including the very weapon the deed was done with.”

“Come, come,” protested Thorndyke, “we mustn’t be premature.” He took the stout ash staff from the officer and, having examined the formidable spike through a lens, drew from his pocket a steel calliper-gauge, with which he carefully measured the diameter of the spike and the staff to which it was fixed. “And now,” he said, when he had made a note of the measurements in his book, “we will look at the colour box and the sketch. Ha! a very orderly man, your brother, Mr. Stopford; tubes all in their places, palette knives wiped clean, palette cleaned off and rubbed bright, brushes wiped —they ought to be washed before they stiffen —all this is very significant.” He unstrapped the sketch from the blank canvas to which it was pinned and, standing it on a chair in a good light, stepped back to look at it.

“And you tell me that that is only three hours’ work!” he exclaimed, looking at the lawyer. “It is really a marvellous achievement.”

“My brother is a very rapid worker,” replied Stopford dejectedly.

“Yes. but this is not only amazingly rapid. It is in his very happiest vein, full of spirit and feeling. But we mustn’t stay to look at it longer.” He replaced the canvas on its pins, and having glanced at the locket and some other articles that lay in a drawer, thanked the inspector for his courtesy and withdrew.

“That sketch and the colour-box appear very suggestive to me,” he remarked as we walked up the street.

“To me also,” said Stopford gloomily, “for they are under lock and key, like their owner, poor old fellow.” He sighed heavily, and we walked on in silence.

THE mortuary keeper had evidently heard of our arrival, for he was waiting at the door with the key in his hand, and on being shown the coroner’s order, unlocked the door, and we entered together; but, after a momentary glance at the ghostly, shrouded figure lying upon the slate table, Stopford turned pale and retreated, saving that he would wait for us outside with the mortuary keeper.

As soon as the door was closed and locked on the inside, Thorndyke glanced curiously round the bare, whitewashed building. A stream of sunlight poured in through the skylight and fell upon the silent form that lay so still under its covering sheet, and one stray beam glanced into a corner by the door, where, on a row of pegs and a deal table, the dead woman’s clothing was displayed.

“There is something unspeakably sad in these poor relics. Jervis,” said Thorndyke, as we stood before them. “To me they are more tragic, more full of pathetic suggestion than the corpse itself. See the smart, jaunty hat, and the costly skirts hanging there, so desolate and forlorn; the dainty lingerie on the table, neatly folded—by the mortuaryman’s wife, I hope—the little French shoes and openwork silk stockings. How pathetically eloquent they are of harmless, womanly vanity, and the gay, careless life, snapped short in the twinkling of an eye. But we must not give way to sentiment; there is another life threatened, and it is in our keeping.”

He lifted the hat from its peg, and turned it over in his hand. It was, I think, what is called a “picture hat”—a huge, flat, shapeless mass of gauze and ribbon and feather, spangled over freely with dark blue sequins. In one part of the brim was a ragged hole, and from this the glittering sequins dropped off in little showers when the hat was moved.

“This will have been worn tilted over on the left side,” said Thorndyke, “judging by the general shape and the position of the hole.”

“Yes,” I agreed. “Like that of the Duchess of Devonshire in Gainsborough’s portrait.”

“Exactly.” He shook a few of the sequins into the palm of his hand, and, replacing the hat on its peg, dropped the little discs into an envelope, on which he wrote, “from the hat,” and slipped it into his pocket. Then, stepping over to the table, he drew back the sheet reverently and even tenderly from the dead woman’s face, and looked down at it with grave pity. It was a comely face, white as marble, serene and peaceful in expression, with half-closed eyes, and framed with a mass of brassy, yellow hair; but its beauty was marred by a long linear wound—half cut, half bruise, running down the right check from the eye to the chin.

“A handsome girl,” Thorndyke commented ; “a dark-haired blonde. What a sin to have disfigured herself so with that horrible peroxide.” He smoothed the hair back from her forehead, and added : “She seems to have applied the stuff last about ten days ago ; there is about a quarter of an inch of dark hair at the roots. What do you make of that wound on the cheek?”

“It looks as if she had struck some sharp angle in falling, though, as the seats are padded in first-class carriages, I don’t see what she could have struck.”

“No. And now let us look at the other wound. Will you note down the description?”

He handed me his notebook, and I wrote down as he dictated :

“A clean-punched circular hole in skull, an inch behind and above margin of left ear; diameter, an inch and seven-sixteenths; starred fracture of parietal bone; membranes perforated, and brain entered deeply; ragged scalp wound, extending forward to margin of left orbit. Fragments of gauze and sequins in edges of wound. That will do for the present; Dr. Morton will give us further details if we want them.”

He pocketed his callipers and rule, drew from the bruised scalp one or two loose hairs, which he placed in the envelope with the sequins, and, having looked over the body for other wounds or bruises (of which there were none), replaced the sheet, and prepared to depart.

As we walked away from the mortuary, Thorndyke was silent and deeply thoughtful, and I gathered that he was piecing together the facts that he had acquired. At length, Mr. Stopford, who had several times looked at him curiously, said :

“The post mortem will take place at three, and it is now only half-past eleven; what would you like to do next?”

Thorndyke, who, in spite of his mental preoccupation, had been looking about him in his usual keen, attentive way, halted suddenly.

“Your reference to the post mortem,’’ said he, “reminds me that I forgot to put the ox-gall into my case.”

“Ox-gall!” I exclaimed, endeavouring vainly to connect this substance with the technique of the pathologist, “what were you going to do with——” But here I broke off, remembering my friend’s dislike of any discussion of his methods before strangers.

“I suppose," he continued, “there would hardly be an artist’s colourman in a place of this size?”

“I should think not,” said Stopford ; “but couldn’t you get the stuff from a butcher? There’ a shop just across the road.”

“So there is,” agreed Thorndyke, who had already observed the shop. “The gall ought, of course, to be prepared, but we can filter is ourselves—that is, if the butcher has any. We will try him, at any rate.”

He crossed the road towards the shop, over which the name “Felton” appeared in gilt lettering, and addressing himself to the proprietor, who stood at the door, introduced himself and explained his wants.

“Ox-gall?” said the butcher; “no, sir, I haven’t any just now, but I am having a beast killed this afternoon, and I can let you have some then. In fact,” he added after a pause, “as the matter is of importance. I can have one killed at once if you wish it.”

“That is very kind of you," said Thorndyke, “and it would greatly oblige me. Is the beast perfectly healthy? ’’

“They’re in splendid condition, sir; I picked them out of the herd myself—but you shall see them, aye, and choose the one that you’d like killed.”

“You are really very good,” said Thorndyke warmly. “I will just run into the chemist’s next door, and get a suitable bottle, and then I will avail myself of your exceedingly kind offer.”

He hurried into the chemist’s shop, from which he presently emerged, carrying a white paper parcel; and we then followed the butcher down a narrow lane by the side of his shop. It led to an inclosure containing a small pen in which were confined three handsome steers, whose glossy, black coats contrasted in a very striking manner with their long, white, nearly straight horns.

“These are certainly very fine beasts, Mr. Felton,” said Thorndyke, as we drew up beside the pen, “and in excellent condition, too.”

He leaned over the pen and examined the beasts critically, especially as to their eyes and horns. Then, approaching the nearest one, he raised his stick and bestowed a smart tap on the under side of the right horn, following it by a similar tap on the left one, a proceeding that the beast viewed with stolid surprise.

“The state of the horns,” explained Thorndyke, as he moved on to the next steer, “enables one to judge, to some extent, of the beast’s health.”

“Lord bless you, sir,” laughed Mr. Felton, “they haven’t got no feeling in their horns, else what good ’ud their horns be to ’em?”

Apparently he was right, for the second steer was as indifferent to a sounding rap on either horn as the first. Nevertheless, when Thorndyke approached the third steer, I unconsciously drew nearer to watch; and I noticed that, as the stick struck the horn, the beast drew back in evident alarm, and that when the blow was repeated, it became manifestly uneasy.

“He don’t seem to like that,” said the butcher; “seems as if—hullo! that’s queer.”

Thorndyke had just brought his stick up against the left horn, and immediately the beast had winced and started back, shaking his head and moaning. There was not, however, room for him to back out of reach, and Thorndyke, by leaning into the pen, was able to inspect the sensitive horn, which he did with the closest attention, while the butcher looked on with obvious perturbation.

“You don’t think there’s anything wrong with this beast, sir, I hope,” said he.

“I can’t say without a further examination,” replied Thorndyke. “It may be the horn only that is affected. If you will have it sawn off close to the head and sent up to me at the hotel, I will look at it and tell you. And, by way of preventing any mistakes, I will mark it and cover it up, to protect it from injury in the slaughter-house.”

He opened his parcel and produced from it a wide-mouthed bottle labelled “Ox-gall,” a sheet of guttapercha tissue, a roller bandage, and a stick of sealing-wax. Handing the bottle to Mr. Felton, he encased the distal half of the horn in a covering by means of the tissue and the bandage, which he fixed securely with the sealing-wax.

“I’ll saw the horn off and bring it up to the hotel myself, with the ox-gall,” said Mr. Felton. “You shall have them in half-an-hour.”

HE was as good as his word, for in half-an-hour Thorndyke was seated at a small table by the window of our private sitting-room in the Black Bull Hotel.

The table was covered with newspaper, and on it lay the long white horn and Thorndyke’s travelling case, now open and displaying a small microscope and its accessories. The butcher was seated solidly in an armchair waiting, with a half-suspicious eye on Thorndyke, for the report; and I was endeavouring by cheerful talk to keep Mr. Stopford from sinking into utter

despondency, though I, too, kept a furtive watch on my colleague’s rather mysterious proceedings.

I saw him unwind the bandage and apply the horn to his ear, bending it slightly to and fro. I watched him, as he scanned the surface closely through a lens, and observed him as he scraped some substance from the pointed end on to a glass slide and, having applied a drop of some re-agent, began to tease out the scraping with a pair of mounted needles. Presently he placed the slide under the microscope and, having observed it attentively for a minute or two, turned round sharply.

“Come and look at this, Jervis,” said he.

I wanted no second bidding, being on tenterhooks of curiosity, but came over and applied my eye to the instrument.

“Well, what is it?” he asked.

“A multipolar nerve corpuscle—very shrivelled but unmistakable.”

“And this?” he moved the slide to a fresh spot.

“Two pyramidal nerve corpuscles and some portions of fibres.”

“And what do you say the tissue is?”

“Cortical brain substance, I should say, without a doubt.”

“I entirely agree with you. And that being so,” he added, turning to Mr. Stopford, “we may say that the case for the defence is practically complete.”

“What, in Heaven’s name, do you mean?” exclaimed Stopford, starting up.

“I mean that we can now prove when and where and how Miss Grant met her death. Come and sit down here, and I will explain— no, you needn’t go away, Mr. Felton; we shall have to subpoena you. Perhaps,” he continued, “we had better go over the facts and see what they suggest. And first we note the position of the body, lying with the feet close to the off-side door, showing that, when she fell, the deceased was sitting, or more probably standing, close to that door. Next there is this”—he drew from his pocket a folded paper which he opened, displaying a tiny blue disc—“it is one of the sequins with which her hat was trimmed, and I have in this envelope several more which I took from the hat itself.

“This single sequin I picked up on the rear end of the off-side footboard, and its presence there makes it nearly certain that, at some time, Miss Grant had put her head out of the window on that side.

“The next item of evidence I obtained by dusting the margins of the off-side window with a light powder, which made visible a greasy impression three and a quarter inches long on the sharp corner of the right-hand jamb (right-hand from the inside, I mean).

“And now as to the evidence furnished by the body. The wound in the skull is behind and above the left ear, is roughly circular, and measures one inch and seven-sixteenths at most, and a ragged scalp wound runs from it towards the left eye. On the right cheek is a linear contused wound three and a quarter inches long. There are no other injuries.

“Our next facts are furnished by this.” He took up the horn and tapped it with his finger, while the solicitor and Mr. Felton stared at him in speechless wonder. “You notice it is a left horn, and you remember that it was highly sensitive; if you put your ear to it while I strain it, you will hear the grating of a fracture in the bony core. Now look at the pointed end and you will see several deep scratches running lengthwise, and where those scratches end the diameter of the horn is, as you see by this callipergauge, one inch and seven-sixteenths. Covering the scratches is a dry blood-stain, and at the extreme tip is a small mass of a dried substance which Dr. Jervis and I have examined with the microscope and are satisfied is brain tissue.”

“Good God!” exclaimed Stopford eagerly, “do you mean to say——”

“Let us finish with the facts, Mr. Stopford,” Thorndyke interrupted. “Now if you look closely at that blood-stain, you will see a short piece of hair stuck to the horn and through this lens you can make out the rootbulb. It is a golden hair, you notice, but near the root it is black, and our callipergauge shows us that the black portion is fourteen sixty-fourths of an inch long. Now in this envelope are some hairs that I removed from the dead woman’s head ; they also are golden hairs, black at the roots, and when I measure the black portion I find it to be fourteen sixty-fourths of an inch long. Then, finally, there is this.” He turned the horn over and pointed to a small patch of dried blood; embedded in it was a blue sequin.

Mr. Stopford and the butcher both gazed at the horn in silent amazement; then the former drew a deep breath and looked up at Thorndyke. “No doubt,” said he, “you can explain this mystery, but for my part I am utterly bewildered, though you are filling me with hope.”

“And yet the matter is quite simple,” returned Thorndyke, “even with these few facts before us—which are only a selection from the body of evidence in our possession. But I will state my theory and you shall judge.” He rapidly sketched a rough plan on a sheet of paper, and continued : “These were the conditions when the train was approaching Woldhurst—here was the passenger coach, here was the burning rick, and here was a cattle-truck. This steer was in that truck. Now my hypothesis is that, at that time, Miss Grant was standing with her head out of the off-side window, watching the burning rick; her wide hat, worn on the left side, hid from her view the cattle-truck which she was approaching, and then this is what happened.” He sketched another plan to a larger scale. “One of the steers—this one—had thrust its long horn out through the bars. The point of that horn struck the deceased’s head, driving her face violently against the corner of the window, and then, in disengaging, ploughed its way through the scalp, and suffered a fracture of its core from the violence of the wrench. This hypothesis is inherently probable, it fits all the facts, and those facts admit of no other explanation.”

The solicitor sat for a moment as though dazed; then he rose impulsively and seized Thorndyke’s hands. “I don’t know what to say to you,” he exclaimed huskily, “except that you have saved my brother’s life, and for that may God reward you.”

The butcher rose from his chair with a slow grin.

“It seems to me,” said he, “as if that ox-gall was what you might call a blind, eh, sir?”

And Thorndyke smiled an inscrutable smile.

WHEN we returned to town on the following day we were a party of four, which included Mr. Harold Stopford. The verdict of “Death by misadventure” promptly returned by the coroner’s jury had been shortly followed by his release from custody, and he now sat with his brother and me, listening with rapt attention to Thorndyke’s analysis of the case.

“So you see,” the latter concluded, “I had six possible theories of the cause of death worked out before I reached Halbury, and it only remained to select the one that fitted the facts. And when I had seen the cattle- truck, had picked up that sequin, had heard the description of the steers, and had seen the hat and the wounds, there was nothing left to do but the filling in of details.”

“And you never doubted my innocence?” asked Harold Stopford.

Thorndyke smiled at his quondam client. “Not after I had seen your colour-box and your sketch,” said he, “to say nothing of the spike.”

Note: The original printing of the story included the following text at the end:
(Under the title of “The Mystery of the Stranger’s Latchkey” a farther exploit of John Thorndyke will be described next month.)
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