prolificness

Domestication, as a general rule, increases the prolificness of animals and plants.

The number of well-defined dugs is always the best prima facie evidence of prolificness in any animal.

In a word, they hold that a state of ease and affluence is the great promoter of prolificness.

That he may increase beyond the prolificness of the white-necked crow and cover the ground after the fashion of the binding grass.

The (p. 325) moth, whose egg produces these larv, is a large white miller of unusual size and prolificness.

Then the doctor went on to speak of the prolificness of wretchedness, the swarming of the lower classes.