polymorphy

Updated: May 7, 2025

Leaving aside polymorphy, we may now discuss those cases of variability, in which the changes themselves, and not only their final results play a part. Of such changes two types exist.

Hugo de Vries - Species and Varieties, Their Origin by Mutation

In the first signification it is nearly identical with polymorphy, or richness of types, especially so when these types are themselves quite stable, or when it is not at all intended to raise the question of their stability.

Hugo de Vries - Species and Varieties, Their Origin by Mutation