and, with the two footmen, started off at once in search of the missing girl. It was not difficult to tell the direction which she had taken, for, starting from under her window, we could follow her footmarks easily across the lawn to the edge of the mere, where they vanished close to the gravel path which leads out of the grounds. The lake there is eight feet deep, and you can imagine our feelings when we saw that the trail of the poor demented girl came to an end at the edge of it.
"'Of course, we had the drags at once, and set to work to recover the remains, but no trace of the body could we find. On the other hand, we brought to the surface an object of a most unexpected kind. It was a linen bag which contained within it a mass of old rusted and discolored metal and several dull-colored pieces of pebble or glass. This strange find was all that we could get from the mere, and, although we made every possible search and inquiry yesterday, we know nothing of the fate either of Rachel Howells or of Richard Brunton. The county police are at their wits' end, and I have come up to you as a last resource.'
"You can imagine, Watson, with what eagerness I listened to this extraordinary sequence of events, and endeavored to piece them together, and to devise some common thread upon which they might all hang. The butler was gone. The maid was gone. The maid had loved the butler, but had afterwards had cause to hate him. She was of Welsh blood, fiery and passionate. She had been terribly excited immediately after his disappearance. She had flung into the lake a bag containing some curious contents. These were all factors which had to be taken into consideration, and yet none of them got quite to the heart of the matter. What was the starting-point of this chain of events? There lay the end of this tangled line.
"'I must see that paper, Musgrave,' said I, 'which this butler of your thought it worth his while to consult, even at the risk of the loss of his place.'
"'It is rather an absurd business, this ritual of ours,' he answered. 'But it has at least the saving grace of antiquity
