Once the motorboat passed within a few yards of one of these black reptiles. Fascinated, the boys watched the ugly black head that projected above the surface, and they could see the long, sinuous body writhing beneath the water as the snake swam toward the fetid marsh.
"There must be hundreds of them on that island."
"They're dangerous, too. I've read about them. A bite from one of them means your finish."
There were fewer snakes on the rocky side of the island and, after they had made the circuit without seeing any sign of human life, the boys decided to make a landing.
"Seeing that motorboat leaving here makes me believe some one is around," declared Frank. "I won't be satisfied until I find out for sure."
"We won't stay here all night?"
"It all depends. If we're satisfied that the island is deserted, we'll leave; but if we think we haven't searched thoroughly enough, we'll stay and hunt around again to-morrow. It'll take a few hours to give the place a thorough going-over."
"How about the snakes? Won't it be dangerous staying here all night?"
"Oh, we'll find some place where they can't
