“The presumption is strongly against it. Bodies in the dissecting-rooms are injected with preservative fluid. These ears bear no signs of this. They are fresh, too. They have been cut off with a blunt instrument, which would hardly happen if a student had done it. Again, carbolic or rectified spirits would be the preservatives which would suggest themselves to the medical mind, certainly not rough salt. I repeat that there is no practical joke here, but that we are investigating a serious crime.”

A vague thrill ran through me as I listened to my companion’s words and saw the stern gravity which had hardened his features. This brutal preliminary seemed to shadow forth some strange and inexplicable horror in the background. Lestrade, however, shook his head like a man who is only half convinced.