He bore down upon the apparently doomed Jack Dudley as if he would not be denied.
This fact caused Fred to be thrown partly to the rear, so that the remarkable combat took the form of the grizzly pursuing one of the boys, while the other boy was pursuing the grizzly.

The position of Fred, however, thus became unfavorable, for he was unable to aim at any vulnerable portion of the creature.

He continued firing into his body, but the bullets produced no perceptible effect in this fight for life.
Meanwhile the situation of Jack Dudley became perilous to the last degree.

To stop and fire insured his certain seizure by the grizzly, who would require but a moment to tear the life from him.

Jack saw him so near, indeed, that he did that which no person would do except in the last extremity.