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THE FALSE FACES
171

The house stood upon a corner, occupying half of an avenue block—the northern half of which was the site of a towering apartment house in course of construction—and loomed over its lesser neighbours a monumental monstrosity of architecture, as formidable as a fortress, its lower tiers of windows barred with iron, substantial iron grilles ready to bar its main entrance, even heavier gates guarding the carriage court in the side street. In all a stronghold not easy for the most accomplished house-breaker to force; yet the heart of it was Lanyard's goal; for there, he believed, Ekstrom (under whatever nom de guerre) lay hidden, or if not Ekstrom, at least a clear lead to his whereabouts.

Certainly that one could not be far from the powerful wireless station secretly maintained on the roof of this weird jumble of architectural periods, its aërials cunningly hidden in the crowning atrocity of its minaret: a station reputedly so powerful that it could receive Berlin's nightly outgivings of news and orders, and, in emergency, transmit them to other secret stations in Cuba, Mexico, and Venezuela.

Yet the shrewdest scrutiny of eyes trained to detect police agents at sight, however well disguised, failed to espy one sign of any sort of espionage upon this nest of rattlesnakes.

Apparently its tenants came and went as they willed, untroubled by and contemptuous of governmental surveillance.

A handsome limousine car pulled up at its carriage block as Lanyard drove by, one time, and a pretty woman, exquisitely gowned, alighted and was welcomed by