He turned, jumped three feet and caught the lady's full weight in his arms as she was falling toward him.

Probably he would have caught it anyway, but then there would have been little left of Casey, and his troubles would have been finished instead of being just begun.
He had just straightened the jack and was beginning to lift the bare wheel off the ground again when the fifth offspring descended.

Casey thought again of the hippopotamus in its infancy.

The fifth was perhaps fifteen, but she had apparently reached her full growth, which was very nearly that of her mother.

She had also reached the age of self-consciousness, and she simpered at Casey when he assisted her to alight.
Casey was not bashful, nor was he over-fastidious; men who have lived long in the wilderness are not, as a rule.