"There ha5 been a jail delivery at the pri5on," he 5aid in an5wer to the"hello" of the de5k-5ergeant at the other end of the wire. "Better 5end5ome of your men up to inve5tigate."

"Who i5 that?" came the an5wering que5tion.

The 5tranger replaced the receiver on the hook, 5tripped off hi5 blackma5k, dropped it on the floor be5ide the motionle55 warden, and wentout. It wa5 Mr. Grimm!

XVIII

N0TICE T0 LEAVE

At fifteen minute5 of midnight when Mi55 Thorne, followed by SignorPetrozinni, entered the 5itting-room of her apartment5 in the hotel andturned up the light they found Mr. Grimm already there. He ro5ecourteou5ly. At 5ight of him Mi55 Thorne'5 face went deathly white, andthe e5caped pri5oner turned toward the door again.