The case was remarkable2 in other respects also; first, because in one of its features it had a resemblance to the case of Samuel’s diamonds, which first brought the Red Triangle to Hewitt’s notice; next, because in its course Hewitt encountered what he declared to be the most ingenious and baffling cryptogram3 that he had ever seen in the length of his strange experience; and thirdly, because I was the means of placing that cryptogram in his hands, owing to one of those odd chances that arise again and again in real life — are, indeed, so common as to pass almost unregarded — and yet might be thought improbable if offered in the guise4 of a mere5 story. Hewitt has often alluded6 to the curious persistence7 of such chances in his experience. I think I have elsewhere mentioned a certain police officer’s prolonged search after a criminal for whose arrest he held a warrant, ending in the discovery — because of a misdirected call — that the man had been living all the time next door to himself; and I have also told of the other detective inspector8, who, being sent in search of a criminal of whom he had but the meagrest and most unsatisfactory particulars, and whom he scarcely hoped ever to run down, actually fell over the man as he was leaving the office where he had received his information, in the doorway9 of which the fellow had stooped to tie his shoe-lace! But, as Hewitt would say, nothing but the exceptional nature of the surrounding circumstances makes these things seem extraordinary. What more ordinary experience, for example, than to meet a friend in some London street — perhaps one friend of the only dozen or so you have among the four millions of people about you? The odds11 against you two, of all the millions, choosing the one street of the thousands in London to walk down at the same minute of time, would seem incalculable; and yet the chance comes off so often as to be a matter of the most ordinary experience.
On this occasion I was expecting orders from my editor to produce certain articles on the subject of the London hospitals. It will be remembered that the matter was very much in the air a few years ago, and as nothing is professionally more uncomfortable than to be called on suddenly for an accurate and reasonable leading article on a subject one knows nothing about, I wrote to my friend, Barton McCarthy, who is house-surgeon at St. Augustine’s, and he replied by an offer to tell me anything I cared to ask if I would call at the hospital.
I set out accordingly some little time after a breakfast even later than ordinary, and called in at Hewitt’s office on my way downstairs, to say that I should not be lunching at our usual place that day.
“No,” Hewitt answered, “nor shall I, I expect. I’m off to the City, at once. I have an urgent message to go immediately to Kingsley, Bell and Dalton’s, in Broad Street, where a big bond robbery has just been discovered. Perhaps I can give you a lift in my cab?”
We hurried off together accordingly. Hewitt knew nothing of the case he had to examine, and so could tell me nothing, beyond the short urgent request that he would come at once, and that the matter involved the loss of bonds to a very large amount; and he dropped me at a convenient spot, whence my walk to the hospital was but a short one.
I saw my friend McCarthy, and bothered him very successfully for nearly an hour, getting all the information I had expected, and more, during a very interesting walk through the great hospital.
“You get some idea in a place like this,” said McCarthy, as we came at last into the receiving room for accident cases, “you get some idea, Brett, of the size of this great London machine working about us. You might walk about the streets for a week and never see a serious accident, or even an accident at all, and yet, you see, here they come all day long — a stream of people damaged or killed in the machine.”
A decent workman was having a gashed12 hand dressed and strapped13, and a navvy with bandages about his head was being led away by a friend. Nurses and dressers were waiting ready to take their orderly turns at the incoming casualties, and as we looked a more serious case was brought in on an ambulance by two policemen. The patient was a ragged14, disreputable-looking fellow of middle age, in grimy and tattered15 clothes, whose head had been roughly bandaged by the policemen who brought him. He had been knocked down and kicked on the head by a butcher’s cart-horse, it seemed, in Moorgate Street, and he was quite insensible. A very short examination showed that the case was nothing trivial, and McCarthy sent me to sit in his private room to wait lunch, while he gave the matter his personal attention.
When he returned he brought a small crumpled17 envelope in his hand. “That case is put to bed,” he said, “still insensible.”
“Is it very bad?” I asked.
“Slight fracture of the occipital, and, of course, concussion18 of the brain — probably contusion, too, I expect we shall find presently. Not so over serious for a healthy man, but I’m afraid he’s an old soaker — the sort that crumple16 up at a touch. Nobody knows him, and there’s nothing to identify him in the pockets — a few coppers19, an old knife, and so on. So we can’t send to tell his friends — unless we bring in your friend Martin Hewitt to trace ’em out, which would come too expensive. Besides,” McCarthy added, dropping into a seat before his desk, “if he’s got any friends they’ll come, sooner or later, when they miss him. This is the only thing he’d got beside what’s in the pockets — he’d been sent on a message, probably.”
My friend held up the crumpled envelope and took from it a small key. “He’d got this envelope gripped tightly in his hand,” he said, “but there was no address on it, so we tore it open in the hope of finding one inside. But there was nothing there but the key. If you were a very promising20 pupil of your friend Hewitt, I should expect you to take a glance at it and tell us the man’s address at once, together with his age, birthplace, when vaccinated21, and the residence of his maternal22 grandmother. But you’re not, so I’ll let you off.”
McCarthy turned the key idly about in his hand and tried it on a lock in his desk. “Stopped up,” he remarked, withdrawing it, and peeping into the barrel; “not dirt, either — stopped up with paper! What’s that for?”
He took a pin to clear the barrel, and the paper came away quite readily. It was a tight little roll, which the surgeon pulled out into a small strip rather less than three inches long and about half-an-inch broad.
“Hullo!” he exclaimed. “Look here! Here’s a job for Martin Hewitt, after all! Figures! What does that mean? And what an amazing place to put them in! A key barrel! By Jove, Brett, this looks like one of your favourite adventures. Somebody sends a key in an envelope, and a row of incomprehensible figures rolled up inside the key. Look at it!”
I took the key and the paper. The key was of a good sort; small, inscribed23 “Tripp’s Patent” on the bow, and it evidently belonged to a superior lever lock. The paper which had come from the barrel was very thin and tough — a kind I have seen used in typewriters. It had been very carefully and closely rolled, and then pushed into the key so that its natural tendency to open out held it tightly within. Written upon it with a fine pen appeared a series of very minute figures, thus:—
9, 8, 14, 4, 20, 18, 5, 9; 15, 19, 20,
0, 3, 9, 8, 5; 3, 23, 0, 0, 5, 13, 14,
19; 19, 20, 0, 0, 0, 0, 6, 1; 5, 20, 0,
0, 0, 0, 3, 22; 1, 15, 0, 0, 0, 0, 18,
5; 1, 8, 20, 11, 18, 9, 5, 20; 12, 5,
23, 14, 14, 1, 1, 20.
“Well,” inquired McCarthy, “what do you make of it?”
“Not much as yet,” I admitted. “But it’s pretty certain it must be a cryptogram or code-writing of some sort; and if that’s the case, I think I might back myself to read it — with a little time.” For I well remembered the case of the “Flitterbat Lancers,” and the lesson in cypher-reading which Hewitt then gave me.
“Come,” my friend replied, much interested, “let’s see how you do it. Meantime we’ll get on with our lunch.”
I took a pencil and a spare sheet of paper, and I studied those figures all through lunch and for some little time after. It soon became plain that the problem was much more difficult than it looked, and I said so. “At the first glance,” I said, “it looked a fairly easy cypher; but as a matter of fact, I don’t think it’s easy at all. One assumes, of course, that the figures stand for letters, and on that assumption two or three peculiarities24 are noticeable. First, the highest number written here is 23, so that all the letters indicated, in whatever order they may come, are within the compass of the twenty-six letters of the alphabet. Next, the numbers most frequently repeated, if we except the noughts25, are 5 and 20, which occur seven times each. Now, the vowel26 most frequently occurring in average English writing is e, and you will at once perceive that e is number five in the alphabet, counting from the beginning. More, if we go on counting so, we shall find that 20 is t, which is one of the most frequently occurring consonants27. This would seem to hint that the cypher is of the very simplest description, consisting of the mere substitution of figures for letters in the exact order of the alphabet. But what, then, of the noughts? What can they mean? More especially when we consider that in three places there are actually four noughts in succession; for, of course, no letter is repeated four times successively in any English word, nor in any foreign word that I can imagine. But let us put down the letters in substitution for the figures, on the supposition that the figures stand for letters in their alphabetical28 order, leaving the noughts as they are. Then we get this.”
I rapidly pencilled the letters on the spare paper, thus:—i, h, n, d, t, r, e, i; 0, s, t, 0, c, i, h, e; c, w, 0, 0, e, m, n, s; s, t, 0, 0, 0, 0, f, a; e, t, 0, 0, 0, 0, c, v; a, 0, 0, 0, 0, 0, r, e; a, h, t, k, r, i, e, t; l, e, w, n, n, a, a, t.
“See there,” I said. “Now, I can make nothing of that. When I come to examine the comparative frequency of the different letters, I find them much as they might be expected to be in a sentence of normal English, and any change would destroy the proportion. E and t are the most frequent, and then come a, n, i, r, s, and c. But as they stand they all mean nothing. It is possible that this may be one of the difficult variable letter cyphers, which Hewitt might read, but I can’t. But even then, if the values of the letters change as they would do, they would get out of their normal proportions of frequency; so that a variable letter cypher seems unlikely. And there is another oddity. Look, and you will see that, counting the noughts in, the letters go in groups of eight, with a semi-colon at the end of each group. Now, it is impossible that the message can be a sentence in which every word has exactly eight letters — or, at least, I should think so. It can scarcely be that the semi-colon itself means a letter — it would be singular for one letter to occur with such curious regularity29 as that. There is no other visible division between the words, nor any single one of the usual aids by which the reader of secret cypher is able to take a hold of his work. No, I’m afraid I must give it up; for the present, at any rate. But I really think it is a thing that would vastly interest Hewitt, if I might show it to him. I suppose I mustn’t?”
“Well,” McCarthy answered, “perhaps it isn’t strictly30 according to rule, but I think I might venture to lend it to you till to-morrow, if that will do. Indeed, I think, on second thoughts, that I may consider myself quite justified31, since it may lead to the man’s identification, and it will be a sufficient answer to any inquiry32 to say that I have shown it to Mr. Martin Hewitt for that purpose. But you’ll be careful of it, won’t you? Do you want the key, too?”
“I think, if I may, I will take the key and the envelope all together. You can never tell what may or what may not help him, and the three things may hang together, and perhaps explain each other in some mysterious way.”
“Very good — here’s the whole bag of tricks. It’s a queer business altogether, and I must say I feel inquisitive33; certainly, if Hewitt can get anything out of those figures I shall be mighty34 curious to know how he does it. You’ll come in again to-morrow, then?”
I promised I would, and walked off with the crumpled envelope, the little key, and the puzzling strip of figures. Since the lesson from Hewitt which I have alluded to, I had often amused myself with cryptogram reading, and I had never found a cypher message in a newspaper “agony-column” the meaning of which I could not get at with a little trouble. But this was something altogether beyond me; and if I have any reader who prides himself on his ability to read secret cypher, I recommend him to try his skill on this one before he reads further.
The circumstances, too, seemed as puzzling as the writing itself. Why, if any person wished to send a note and a key in a closed envelope, should he take the trouble to pack the note inside the key? Why, especially when the note was already written in so baffling a cypher? Whither had this ragged messenger been going with the mysterious package, and who had sent him, and why?
Guessing and musing35, I reached home, and found that Hewitt had returned before me. I made my way into his office, and came on him sitting at his desk with a large lens, attentively36 examining a broken brass37 padlock.
“Am I bothering you?” I asked. “Are you on the bond robbery, now?”
Martin Hewitt nodded, with a jerk of the hand toward the padlock. “It’s a tough job,” he said, “and I shall shut myself up presently and think hard over it; just now I can’t see my way into it at all. But what have you got there?”
“Never mind,” I said, “you’re too busy now. I came across something very odd at the hospital, which I thought would interest you — that’s all.”
“Very well, let me see it. I haven’t begun my bout10 of cogitation38 yet. Show me.”
I put the envelope, the key and the paper on the table before him. Hewitt, with a glance of surprise, picked up the key and examined it. “That’s curious,” he said, and straightway began fitting the key to the broken padlock on the desk.
“Why, man alive!” he cried, with a sudden burst of excitement, “where did you get this? This — this is the article — the key — the very thing I want!” He sprang to his feet and stared in my face in sheer amazement39. “Heavens, Brett, the thing’s almost supernatural! I’ve a broken lever padlock here, and of all things in the world I wanted to find the one key that fitted it; and you calmly walk in and clap down the very thing under my nose! Where did you get it?”
I told him the tale of the man who had been knocked down in Moorgate Street, and I explained exactly how the paper, the key and the envelope were found in relation to each other, and why I had brought them.
“And when was the man knocked over?” Hewitt asked.
“Some time between one and two o’clock, I should say,” I replied. “They brought him in well before two, at any rate.”
Hewitt stared into vacancy40 for a moment, thinking hard. Then he said, “Brett, I believe you’ve saved my reputation — not that it could have suffered much, perhaps, in such a desperate case. But as a fact I had already advised the calling in of the police, and should, perhaps, even have given up the part of the case still left me. But this ought to put me on the proper track. You see, every one of these patent lever locks differs in some slight degree from all the rest, and only its own key will fit it; and here, by this amazing piece of good luck, is the one key for this very lock, and the man who had it is detained in hospital. Come, I’m off to see him. Insensible, you say, when you left?”
“Yes,” I answered, “and likely to be so for some time, McCarthy thinks; so you probably won’t get much information out of him just yet. But the cypher ——”
“I’ll examine the cypher as I go along, I think. But I should like to take a look at the man, at any rate, even if he can’t tell me anything. Will you give me a note to your friend McCarthy?”
“Of course,” I answered, readily, and sat down to scribble41 the few lines necessary to introduce Hewitt.
When I had finished, Hewitt, who had been examining the cryptogram meanwhile, remarked: “This cypher is something out of the common, Brett. I certainly don’t expect to be able to read it in the cab-journey — perhaps not in a week of study. The man who devised this is a man of abilities altogether beyond the average.”
“I have had my best try at it,” I said, “but it beats me wholly. I brought it purely42 as a matter of curiosity, to show you; it was the merest chance that I brought the key as well.”
“And if you hadn’t I should probably have put the cypher aside until the case was over, and so have missed the whole thing. Another lesson never to despise what seem like trifles. If you have studied the cypher you have no doubt observed — but there, we’ll talk that over afterwards, and the whole case if you like. I’ll go now, and I’ll tell you all about the business when time permits.”
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1
investigation
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| n.调查，调查研究 | |
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2
remarkable
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| adj.显著的，异常的，非凡的，值得注意的 | |
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3
cryptogram
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| n.密码 | |
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4
guise
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| n.外表，伪装的姿态 | |
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5
mere
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| adj.纯粹的；仅仅，只不过 | |
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6
alluded
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| 提及，暗指( allude的过去式和过去分词 ) | |
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7
persistence
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| n.坚持，持续，存留 | |
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8
inspector
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| n.检查员，监察员，视察员 | |
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9
doorway
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| n.门口，(喻)入门；门路，途径 | |
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10
bout
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| n.侵袭，发作；一次(阵，回)；拳击等比赛 | |
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11
odds
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| n.让步，机率，可能性，比率；胜败优劣之别 | |
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12
gashed
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| v.划伤，割破( gash的过去式和过去分词 ) | |
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13
strapped
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| adj.用皮带捆住的，用皮带装饰的；身无分文的；缺钱；手头紧v.用皮带捆扎(strap的过去式和过去分词)；用皮带抽打；包扎；给…打绷带 | |
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14
ragged
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| adj.衣衫褴褛的，粗糙的，刺耳的 | |
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15
tattered
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| adj.破旧的，衣衫破的 | |
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16
crumple
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| v.把...弄皱，满是皱痕，压碎，崩溃 | |
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17
crumpled
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| adj. 弯扭的, 变皱的 动词crumple的过去式和过去分词形式 | |
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18
concussion
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| n.脑震荡；震动 | |
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19
coppers
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| 铜( copper的名词复数 )； 铜币 | |
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20
promising
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| adj.有希望的，有前途的 | |
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21
vaccinated
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| [医]已接种的，种痘的，接种过疫菌的 | |
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22
maternal
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| adj.母亲的，母亲般的，母系的，母方的 | |
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23
inscribed
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| v.写，刻( inscribe的过去式和过去分词 )；内接 | |
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24
peculiarities
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| n. 特质, 特性, 怪癖, 古怪 | |
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25
noughts
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| 零，无，没有( nought的名词复数 ) | |
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26
vowel
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| n.元音；元音字母 | |
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27
consonants
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| n.辅音，子音( consonant的名词复数 )；辅音字母 | |
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28
alphabetical
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| adj.字母（表）的，依字母顺序的 | |
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29
regularity
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| n.规律性，规则性；匀称，整齐 | |
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30
strictly
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| adv.严厉地，严格地；严密地 | |
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31
justified
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| a.正当的，有理的 | |
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32
inquiry
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| n.打听，询问，调查，查问 | |
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33
inquisitive
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| adj.求知欲强的，好奇的，好寻根究底的 | |
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34
mighty
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| adj.强有力的；巨大的 | |
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35
musing
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| n. 沉思，冥想 adj. 沉思的, 冥想的 动词muse的现在分词形式 | |
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36
attentively
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| adv.聚精会神地；周到地；谛；凝神 | |
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37
brass
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| n.黄铜；黄铜器，铜管乐器 | |
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38
cogitation
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| n.仔细思考，计划，设计 | |
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39
amazement
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| n.惊奇，惊讶 | |
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40
vacancy
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| n.（旅馆的）空位，空房，（职务的）空缺 | |
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41
scribble
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| v.潦草地书写，乱写，滥写；n.潦草的写法，潦草写成的东西，杂文 | |
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42
purely
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| adv.纯粹地，完全地 | |
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