"Did you see this man?" asked the Sergeant quickly.
"No."
"You don't know whether he was still with your uncle when you went up to your room?"
"Sergeant, Sergeant, do you think I listen at keyholes?"
"Of course not, sir, but -'
"At least, not when I'm wholly incurious," explained Neville, temporising.
"Well, sir, we'll say that some time between 9.00 and 10.00 you went up to your room."
"At half-past nine," said Neville.
"At - A moment ago, sir, you said you had no idea what time it was!"
"Oh, I hadn't, but I remember now one solitary cuckoo."