The men sprang to their feet at this ominous declaration and their eyes swept the forest in every direction. “And the boy speaks of this as calmly as though it meant nothing to him or us!” exclaimed Jake Dorn. “I wonder if he really knows what he is talking about,” cried Gillis. “Tell me,” he demanded turning to Bomba, “what makes you think there are jaguars all about us?” “I smell them and I hear them,” returned Bomba. “First I heard them a long way off. They were screaming. Then they came nearer, and they were snarling. Now they are nearer still, and they are purring. I hear them.” “More than I do, then,” said Gillis, after a few moments, when he and his comrade had listened with all their ears. “But I’ve heard some wonderful stories of the smell and hearing of those who have lived l