Arab boy, quick to pick up the street commission for a tuppence. Very methodically Almer picked the capsules from the box one by one, opened them, and spilled the quinine in a little heap under his nose. He grunted peevishly when the sixth shell had been emptied. The seventh capsule brought an eager whistle to his lips. When he had jerked the concentric halves apart, very little powder fell out. Instead, the thin, folded edges of a pellet of rice paper protruded from one of the containers. This Almer had extracted in an instant. He spread it against the black back of a ledger and read the very fine script written thereon. This was the message:
"Danger. An informer from Alexandria has denounced our two friends to Crandall. You must warn; I can not."
The spy's heart was suddenly drained, and the wisp of paper in his hand trembled so that it scattered the quinine about in a thin cloud. Once more he read the note, then held a match to it and scuffed its feathery ash with his feet into the rug beneath his stool. The fortitude
