“That is it.”

“I say, Sir Donald, d’you mind my asking for a whisky-and-soda?”

“I beg your pardon.”

He hastily touched a bell and ordered it. Meanwhile Carey examined the photograph.

“What do you think of it?” Sir Donald asked.

“Well—Italy obviously.”

“Yes, and a conventional part of Italy.”

“Maggiore?”

“No, Como.”

“The playground of the honeymoon couple.”