"But then ...?"

"Out with it!"

"The working jeweller?"

"Was Horace Velmont! Was good old Lupin! Leaving the countess at three o'clock in the morning, I employed the few remaining minutes before the husband's return to have a look round his study. On the table I found the letter from the working jeweller. The letter gave me the address. A bribe of a few louis enabled me to take the workman's place; and I arrived with a wedding-ring ready cut and engraved. Hocus-pocus! Pass!... The count couldn't make head or tail of it."

"Splendid!" I cried. And I added, a little chaffingly, in my turn, "But don't you think that you were humbugged a bit yourself, on this occasion?"

"Oh! And by whom, pray?"

"By the countess?"

"In what way?"

"Hang it all, that name engraved as a talisman!... The mysterious Adonis who loved her and suffered for her sake!... All that story seems very unlikely; and I wonder whether, Lupin though you be, you did not just drop upon a pretty love-story, absolutely genuine and ... none too innocent."

Lupin looked at me out of the corner of his eye: