He was more and more out of his depth, and these were waters in which expert swimming was required.
"I don't understand.

Do you say that somebody saw Mrs.Croyle after she had dismissed you for the night ?" "Yes, sir." "Will you please explain ?" The explanation was as simple as possible.

Jenny had first fetched a book for her mistress from the library, before the house-party left for the ball.

She then had supper and went to Mrs.Croyle's room.

It was then about half-past nine, so far as she could conjecture.