Between us two, one is certain to get a shot at them." "It's putting a big lot of work on you, Fred," said the chivalrous Jack.
"It won't be half as hard to bear as the hunger I'll feel in the course of an hour or two if we don't get one of them." The plan was so simple that no explanation was necessary.

Jack Dudley had only to remain extended on the ground where he was, with his Winchester ready, and keep an eye on the little herd, which could not observe him unless he was unusually careless.

He could easily judge of Fred's success or failure by watching the animals, and it would seem that success was almost certain for one of the young hunters.

The only thing to be feared was that Fred would betray himself before reaching the other side of the game that was so tempting to both.
The comrades looked at their watches at the moment of separating, and found it was precisely one o'clock.

Fred gave himself an hour to reach a point from which to start on his return, though it was possible that double that time would be required.