“True.”

“Let us glance at it.”

“Certainly; though why——”

“Simple curiosity. I like to know for whom I am working. Byrnes, when he was inspector, was very particular to take the pedigree of everybody who interested him. His system of notes was the most perfect I ever saw.”

At that moment the sergeant appeared at the door.

The inspector glanced at a small book, which he took from his desk; then, looking up, he said to the sergeant:

“Bring me 'Folio XI—G.'”

The sergeant in a moment re-entered with a volume in his hands that looked like a huge scrapbook.

On the back were letters “XI—G.” The inspector spent several moments in turning over the pages.

Suddenly he said: “Here we have it.”