"Mustn't worry ole Mist' Swift," the servant muttered to himself as he shuffled back to the kitchen. "But Massa Tom tole me hisself he gwine t' baid early 'cause he gotta git up befo' sunrise.

"Look hyah, Koku," he went on when he got to the kitchen. "Quit stuffin' dat 'ar pie an' go out an' see ef Massa Tom all right. He ought t' have bin in de house long sence. I'se skeered mebbe some villains mought've cotched him!"

"See Ef Massa Tom All Right."

"Whoo!" growled the giant, jumping up so quickly that his big, specially-built chair crashed over. "Where um war-club? Me fixum!"

"Doan make sich a racket, yo' big lummox! Yo' want to skeer ol' Mist' Swift? Heah, take mah rollin'-pin."

Clutching the rolling pin as a "war-club," Koku started through the darkness toward Tom's private laboratory. Following him at a discreet distance came old Rad Sampson, who had armed himself with a big butcher knife.

Rad Followed

"Dar's a light in de office, big boy," whispered the Negro. "Be keerful, now!"