"Fandor?"

"Juve?"

"We have got them!"

Uncle and nephew—that is to say, Juve and Fandor—could talk quite freely now.

"Juve, are you certain that we have got them?"

Juve pushed his friend into a wine-shop and ordered drinks. He then drew from his pocket a piece of paper, quite blank.

"What is that?"

"A bit of paper I picked up on Lady Beltham's desk while the porter's back was turned. It will serve for a little experiment. If it is not long since a hand rested on it, we shall find the print."

"On this blank paper?"

"Yes, Fandor. Look!"