"You see, Professor," explained Jud, "we were kind o' busy in keepin' some seventy-five peccaries from collectin' us. What does 'melanic' mean in American?"

"Any animal may develop either a black or a white type," Explained the professor. "When black, it is called 'melanic'; when white, 'albino.' You probably have seen black squirrels, muskrats, or skunks. They are simply color-variations of the ordinary species. So this 'black tiger' was only a jaguar which for some unknown reason happened to have a black skin. These black examples," he continued, "are neither fiercer nor larger than the ordinary kind, although generally considered so by unscientific observers."

"What about some of those peccaries?" remarked Joe, practically. "Can't we bring in one or two that Pinto killed for fresh meat?"

"No, sir," returned Jud, emphatically, "I wouldn't go back into that black bit of woods for all the fresh peccary pork in South America."

It was Hen Pine who noted that Will had taken no part in the discussion, and that he was flushed and feverish and suffering intensely from the intolerable pain of the fire-ant bites.

"Honey, you come along with ol' Hen," he said soothingly, "an' he'll fix you up so that you won't feel that fire-poison hurtin' any more."

Followed by Will, he led the way along the river-bank until they came to a small, round-topped tree with intensely green leaves. With his machete, Hen cut off several of the smaller branches. From the severed ends a thick, brilliant red sap oozed.

"It's the dragon's-blood tree," he explained "an' its juice makes the best balm in the world for burns or stings."

As he spoke he rubbed the thick, gummy liquid gently on the swollen and inflamed welts which the venomous bites of the fire-ants had raised on Will's shoulders and back. Almost instantly the throbbing, rankling pain stopped, and there came such a feeling of grateful coolness that Will told Hen it was almost worth the pain of the bite to feel the relief of the cure.

On the way back, Hen discovered another tree which brought the rest of the party nearly as much pleasure as the dragon's-blood had given to Will. It had long, glossy leaves, and a straight smooth trunk as large around as a man's body, though it was only about twenty feet high. It was loaded down with what looked like huge plums nearly the size of muskmelons. Hen told Will that it was the wild papaw tree. The fruit was delicious. When they brought back samples to the rest of the party, there was a stampede to the place and the boat was soon loaded with the luscious fruit.