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It seems likely that the transilient advance was in the direction of increased cerebral complexity, associated with greater freedom of speech, and a strengthened sense of kinship.

From our frankly biological point of view there seems considerable warrant for the suggestion that Man arose as a saltatory or transilient variation or "sport" in a gregarious Simian stock, which was not too hard-pressed by a struggle for subsistence either as regards food or climate, which was not too severely menaced by ever-persecuting stronger foes, which lived in conditions implying some measure of temporary isolation, in-breeding, and daily "brain-stretching" education.

Such words as "freaks" and "sports" express a truth, suggested by Mr Galton's phrase "transilient variations," that organisms may pass with seeming abruptness from one form of equilibrium to another.

Transilient, tran-sil′i-ent, adj. leaping across.—n.

The occurrence of saltatory, transilient, or discontinuous variations or mutations.33.I.e.,