Well in toward the center of the grove stood one tree larger than the rest.

From behind this Sambo Ebony swiftly appeared, just at the right instant for surprise. In each hand the negro held a huge automatic revolver.

"Gemmen," chuckled the negro coolly, "Ah jess be nacherally obliged to yo' both if yo'll stick yo' hands ez high up in de air ez yo' can h'ist 'em. It am a long worm dat nebber turns, an' Ah'se done reckon dat Ah'se de tu'ning worm to-night! Thumbs up, gemmen!"

Despite Sambo's bantering tone there could be no doubt that to fail to obey him would be to invite a swift fusillade.

Reluctantly Tom Reade thrust his hands up skyward. Nor did Dick Prescott hesitate to follow so prompt an example.

CHAPTER XXIV

CONCLUSION

"Now Ah reckon Ah'se done got yo'," laughed the big negro, insolently. "It am a question ob w'ich one Ah wantah pick off fust!"

In his wicked joy over having both the young engineer and the army officer wholly at his mercy Sambo, his mouth open and his massive teeth showing white in his grin, advanced nearer.

Yet he did not fail to keep each of his enemies covered. He was watching most alertly for any sign of rebellion on the part of his victims.