# The Evolution Theory, Vol. 2 of 2

Author: Weismann, August, 1834-1914; Thomson, J. Arthur (John Arthur), 1861-1933 [Translator]; Thomson, Margaret R. [Translator]

Genre: Category: Science - Biology

Language: English

License: Public domain

Source: https://www.gutenberg.org/ebooks/65049

Amazon editions: https://www.amazon.com/s?k=The+Evolution+Theory%2C+Vol.+2+of+2+Weismann&tag=cyberlibrar00-20

## Summary

Budding and division--Every theory of regeneration in the meantime only provisional, a mere 'portmanteau theory'--Regeneration not a primary character--Volvox--Hydra--Vital affinities--Planarians--Heteromorphoses--Enemies of Hydroid-colonies--Regeneration in Plants--In Amphibians--In Earthworms--Different degrees of regenerative capacity according to the liability of the part to injury--Different results of longitudinal halving in Earthworms and in Planarians--Regeneration in Birds--The disappearance of the power of regeneration is very slow--Morgan's experiments on Hermit-crabs--Autotomy in Crustaceans and Insects--Regeneration of the lens in Triton.

## Chapters

- [VOLUME II](https://www.cyberlibrary.org/en/books/the-evolution-theory-vol-2-of-2-65049/chapters/1/index.md)
- [ii. 75;](https://www.cyberlibrary.org/en/books/the-evolution-theory-vol-2-of-2-65049/chapters/2/index.md)