Earl Derr Biggers,
Inside the Lines
(1915)
“ He looked out through his screen of green and saw a tall well-knit figure of a man approach the opposite gate, stop and ring the bell. Instantly Capper tingled with the hunting fever of his trade. In the strong light from the arc he could study minutely the face of the man at the gate—smoothly shaven, slightly gaunt and with thin lips above a strong chin. It was a striking face—one easily remembered. The gate opened; beyond it Capper saw, for an instant, the white figure of the Numidian he had bumped into at the alley's mouth. The gate closed on both. ”
