The Fear Merchants
Published in the 03/1936 issue of Secret Agent X.
"Flame demons swept across the city. And in their scorching wake came a new horror. The firemen fighting the vast inferno suddenly toppled from their ladders, their shrieks piercing the blazing roar. For when those firefighters struck the pavement they were distorted, bloated husks .... Secret Agent “X” was at that fire. But his manhunt was blocked by a barrier of the bloated dead."