Sometimes the cultural change was an autochthonous development.
Intentionally, and to a certain extent, Rimsky's work is autochthonous.
Apparently from mother earth herself they had come, autochthonous.
Thus Ancient Egypt believed itself to be autochthonous, and traced the origin of arts and sciences to native gods.
Smilisca is an excellent example of an Autochthonous Middle American genus.
If any of the autochthonous idlers asked him what he called himself, he replied shortly, "an engineer."
Everything shows that the civilizations and religions of Mexico and Peru are autochthonous, springing from the soil itself.
The Egyptians, however, like the ancient Greeks, regarded themselves as autochthonous.
They did not pretend to be autochthonous, but claimed that their ancestors came from distant regions, in two bands.
In both cases the Eastern region is vastly richer in genera and species, as well as in autochthonous forms, than the Western.