Here they are again—that bunch of flying, fighting Devildogs—Lucky Lane and the Three Lunatics, Cyclone Bill Garrity, and the rest of the mad Marines. And fighting against them is a silent, unseen menace—a strange, black shadow that shrouds whole formations in its sable cloak of death, and sends them reeling down—to doom.

• Download “Devildog Breed” (July 1934, Sky Birds)