Frank always listened when he started to speak of experiences in his checkered past. It often aroused the curiosity of the boy to understand how a man who, as he confessed himself, was only a common carpenter (and a mighty poor one at that, Frank would say to himself), had been able to get around in all the queer corners of the world that Luther Snow had.
He seemed to know many foreign cities by heart, and spoke of certain things in a way that only one familiar with them could do. Well, there could be no doubt of one thing, and this was that Luther occupied the rôle of a mystery to Frank, a puzzle he could not wholly solve.
If, then, he proved to be Marcus Stackpole, the very man against whom they had been especially warned, what did he want?
Frank kept repeating that to himself time and again as he lounged there and in the light of the declining sun watched his chums; then turned his eyes in the direction of the man who had the blanket about his shoulders, and who seemed so satisfied to be with them on board Uncle Felix’s houseboat.
It was Jerry who startled them all suddenly by calling out:
“Hey! there’s a gray squirrel right over your head, Bluff! Watch me give the little beggar a scare, will you?”
He reached over, and picked up one of a number of sticks of wood which had been brought on board at their last stop, being intended to serve as fuel for the little cook stove, after they had been chipped in half, perhaps.
This was a short and heavy one Jerry had selected. Rising to his feet, he gave it one whirl around his head, and then let fly. Jerry had always been reckoned something of a thrower. He often played in the pitcher’s box before he went away from home, and was even now a promising fielder on the sub nine at college.
So Frank would not have been very much surprised had he succeeded in knocking the squirrel in question off his perch. But he was very much astonished at the most remarkable consequences of Jerry’s shot.
There was an angry scream, such as only an enraged cat could make; and something large and hairy, with extended legs, came floundering down upon the deck of the houseboat directly in front of Bluff. Indeed, in its passage, the wildcat, for it turned out to be nothing else, made a vicious stab for Bluff; and that excited as well as alarmed individual was so taken aback, that quite naturally he lost his grip on the railing of the boat, and fell over into the river.