as the priest went by were consonant enough with the vigilance and jealousy of such a type.
The great door was opened by Flambeau himself, who had with him a lean man with iron-grey hair and papers in his hand: Inspector Craven from Scotland Yard. The entrance hall was mostly stripped and empty; but the pale, sneering faces of one or two of the wicked Ogilvies looked down out of black periwigs and blackening canvas.
Following them into an inner room, Father Brown found that the allies had been seated at a long oak table, of which their end was covered with scribbled papers, flanked with whisky and cigars. Through the whole of its remaining length it was occupied by detached objects arranged at intervals; objects about as inexplicable as any objects could be. One looked like a small heap of glittering broken glass. Another looked like a high heap of brown dust. A third appeared to be a plain stick of wood.
"You seem to have a sort of geological museum here," he said, as he sat down, jerking his head briefly in the direction of the brown dust and the crystalline fragments.
"Not a geological museum," replied Flambeau; "say a psychological museum."
"Oh, for the Lord's sake," cried the police detective laughing, "don't let's begin with such long words."
"Don't you know what psychology means?" asked Flambeau with friendly surprise. "Psychology means being off your chump."
"Still I hardly follow," replied the official.
"Well," said Flambeau, with decision, "I mean that we've only found out one thing about Lord Glengyle. He was a maniac."
The black silhouette of Gow with his top hat and spade passed the window, dimly outlined against the darkening sky. Father Brown stared passively at it and answered:
"I can understand there must have been something odd about the man, or he wouldn't have buried himself alive—nor been in such a hurry to bury himself dead. But what makes you think it was lunacy?"
"Well," said Flambeau, "you just listen to the list of things Mr. Craven has found in the house."
"We must get a candle," said Craven, suddenly. "A storm is getting up, and it's too dark to read."
"Have you found any candles," asked Brown smiling, "among your oddities?"
Flambeau raised a grave face, and fixed his dark eyes on his friend.
"That is curious, too," he said. "Twenty-five candles, and not a trace of a candlestick."
In the rapidly darkening room and rapidly rising wind, Brown went along the table to where a bundle of wax candles lay among the other scrappy exhibits. As he did so he bent accidentally over the heap of red-brown dust; and a sharp sneeze cracked the silence.
"Hullo!" he said, "snuff!"
He took one of the candles, lit it carefully, came back and stuck it in the neck of the whisky bottle. The unrestful night air, blowing through the crazy window, waved the long flame like a banner. And on every side of the castle they could hear the miles and miles of black pine wood seething like a black sea around a rock.
"I will read the inventory," began Craven gravely, picking up one of the papers, "the inventory of what we found loose and unexplained in the castle. You are to understand that the place generally was dismantled and neglected; but one or two rooms had plainly been inhabited in a simple but not squalid style by somebody; somebody who was not the servant Gow. The list is as follows:
"First item. A very considerable hoard of precious stones, nearly all diamonds, and all of them loose, without any setting whatever. Of course, it is natural that the Ogilvies should have family jewels; but those are exactly the jewels that are almost always set in particular articles of ornament. The Ogilvies would seem to have kept theirs loose in their pockets, like coppers.
"Second item. Heaps and heaps of loose snuff, not kept in a horn, or even a pouch, but lying in heaps on the mantelpieces, on the sideboard, on the piano, anywhere. It looks as if the old gentleman would not take the trouble to look in a pocket or lift a lid.
"Third item. Here and there about the house curious little heaps of minute pieces of metal, some like steel springs and some in the form of microscopic wheels. As if they had gutted some mechanical toy.
"Fourth item. The wax candles, which have to be stuck in bottle necks because there is nothing else to stick them in. Now I wish you to note how very much queerer all this is than anything we anticipated. For the central riddle we are prepared; we have all seen at a glance that there was something wrong about the last earl. We have come here to find out whether he really lived here, whether he really died here, whether that red-haired scarecrow who did his burying had anything to do with his dying. But suppose the worst in all this, the most lurid or melodramatic solution you like. Suppose the servant really killed the master, or suppose the master isn't really dead, or suppose the master is dressed up as the servant, or suppose the servant is buried for the master; invent what Wilkie Collins' tragedy you like, and you still have not explained a candle without a candlestick, or why an elderly gentleman of good family should habitually spill snuff on the piano. The core of the tale we could imagine; it is the fringes that are mysterious. By no stretch of fancy can the human mind connect together snuff and diamonds and wax and loose clockwork."
"I think I see the connection," said the priest. "This Glengyle was mad against the French Revolution. He was an enthusiast for the ancien regime, and was trying to re-enact literally the family life of the last Bourbons. He had snuff because it was the eighteenth century luxury; wax candles, because they were the eighteenth century lighting; the mechanical bits of iron represent the locksmith hobby of Louis XVI; the diamonds are for the Diamond Necklace of Marie Antoinette."
Both the other men were staring at him with round eyes. "What a perfectly extraordinary notion!" cried Flambeau. "Do you really think that is the truth?"
"I am perfectly sure it isn't," answered Father Brown, "only you said that nobody could connect snuff and diamonds and clockwork and candles. I give you that connection off-hand. The real truth, I am very sure, lies deeper."
He paused a moment and listened to the wailing of the wind in the turrets. Then he said, "The late Earl of Glengyle was a thief. He lived a second and darker life as a desperate housebreaker. He did not have any candlesticks because he only used these candles cut short in the little lantern he carried. The snuff he employed as the fiercest French criminals have used pepper: to fling it suddenly in dense masses in the face of a captor or pursuer. But the final proof is in the curious coincidence of the diamonds and the small steel wheels. Surely that makes everything plain to you? Diamonds and small steel wheels are the only two instruments with which you can cut out a pane of glass."
The bough of a broken pine tree lashed heavily in the blast against the windowpane behind them, as if in parody of a burglar, but they did not turn round. Their eyes were fastened on Father Brown.
"Diamonds and small wheels," repeated Craven ruminating. "Is that all that makes you think it the true explanation?"
"I don't think it the true explanation," replied the priest placidly; "but you said that nobody could connect the four things. The true tale, of course, is something much more humdrum. Glengyle had found, or thought he had found, precious stones on his estate. Somebody had bamboozled him with those loose brilliants, saying they were found in the castle caverns. The little wheels are some diamond-cutting affair. He had to do the thing very roughly and in a small way, with the help of a few shepherds or rude fellows on these hills. Snuff is the one great luxury of such Scotch shepherds; it's the one thing with which you can bribe them. They didn't have candlesticks because they didn't want them; they held the candles in their hands when they explored the caves."
"Is that all?" asked Flambeau after a long pause. "Have we got to the dull truth at last?"
"Oh, no," said Father Brown.
As the wind died in the most distant pine woods with a long hoot as of mockery Father Brown, with an utterly impassive face, went on:
"I only suggested that because you said one could not plausibly connect snuff with