explain that the Professor sleeps at the end of the passage———”
“The date being———?” asked Holmes.
Our visitor was clearly annoyed at so irrelevant an interruption.
“I have said, sir, that it was the night before last—that is, September 4.”
Holmes nodded and smiled.
“Pray continue,” said he.
“He sleeps at the end of the passage, and would have to pass my door in order to reach the staircase. It was a really terrifying experience, Mr. Holmes. I think that I am as strong-nerved as my neighbours, but I was shaken by what I saw. The passage was dark save that one window half-way along it threw a patch of light. I could see that something was coming along the passage, something dark and crouching. Then suddenly it emerged into the light, and I saw that it was he. He was crawling, Mr. Holmes—crawling! He was not quite on his hands and knees. I should rather say on his hands and feet, with his face sunk between his hands. Yet he seemed to move with ease. I was so paralysed by the sight that it was not until he had reached my door that I was able to step forward and ask if I could assist him. His answer was extraordinary. He sprang up, spat out some atrocious word at me, and hurried on past me, and down the staircase. I waited about for an hour, but he did not come back. It must have been daylight before he regained his room.”
“Well, Watson, what make you of that?” asked
