a short time, and must belong either to Barnett, Smith, Jeffreys or Brown. It is an old pipe, but it has no tooth-marks on it. Therefore it has been used by a man who has no teeth. But Barnett, Smith and Jeffreys all have teeth and mark their pipes, whereas Brown has no teeth. The tobacco in it is shag. But these three men do not smoke shag, whereas Brown had shag in his pouch. The silver band is encrusted with sulphide; and Brown carried sulphur-tipped matches loose in his pocket with his pipe. We find hairs of a mole in the bore of the pipe; and Brown carried a moleskin pouch in the pocket in which he appears to have carried his pipe. Finally, Brown's pocket contained a pipe which was obviously not his and which closely resembled that of Jeffreys; it contained tobacco similar to that which Jeffreys smokes and different from that in Brown's pouch. It appears to me quite conclusive, especially when we add to this evidence the other items that are in our possession."
"What items are they?" I asked.
"First there is the fact that the dead man had knocked his head heavily against some periodically submerged body covered with acorn barnacles and serpulæ. Now the piles of this lighthouse answer to the description exactly, and there are no other bodies in the neighbourhood that do: for even the beacons are too large to have produced that kind
