“I am glad of that; perhaps your mental faculties are beginning to move. I suppose these clothes are Lawrence’s?”

“I can prove that; he was wearing them when I saw him last.”

“Oh, he was, was he. When did you see him last?”

“Last night.”

Hume glanced quickly up at me.

“Last night? At what time?”

I considered for a moment.

“I don’t remember particularly noticing, but I should say that it was about half-past eleven when I left him, or perhaps a little after.”

“Half-past eleven? Then I should say that within an hour of that time he was dead; perhaps within less than an hour. That’s very odd.”

“Why is it odd?”