“But there’s nothing unusual about the name of Robinson,” I cried. “It’s quite a common name.”

“Ah! Sapristi , but exactly! That was the point. Elsa Hardt and her husband, or brother or whatever he really is, come from New York, and take a flat in the name of Mr. and Mrs. Robinson. Suddenly they learn that one of these secret societies, the Mafia, or the Camorra, to which doubtless Luigi Valdarno belonged, is on their track. What do they do? They hit on a scheme of transparent simplicity. Evidently they knew that their pursuers were not personally acquainted with either of them. What then can be simpler? They offer the flat at an absurdly low rental. Of the thousands of young couples in London looking for flats, there cannot fail to be several Robinsons. It is only a matter of waiting. If you will look at the name of Robinson in the telephone directory, you will realize that a fair-haired Mrs.