“A room I use for storing herbs in,” replied Mr. Ludgrove. “As it happens, I have been in there once or twice this evening.”

“You didn’t see anything of what was happening in here, I suppose?” asked Whyland quickly.

“No, I did not,” replied Mr. Ludgrove. “I was only in the room for a moment or two, selecting bundles of herbs to take downstairs. I did happen to notice about eleven o’clock that there was a light in here, but that was all.”

“What about the windows to the right and left of your place?”

“I believe that they belong to offices occupied only in the daytime. I do not think it at all likely that anyone could have overlooked this room from them at night.”