Free and Discounted Ebooks
Join 130,000 readers! Get our ebook deals straight to your inbox.

On Germinal Selection as a Source of Definite Variation

Cover image for


Author: August Weismann
Published: 1896
Language: English
Wordcount: 25,305 / 86 pg
Flesch-Kincaid Reading Ease: 29.2
LoC Category: QL
Downloads: 392
Added to site: 2010.10.16 29288
Genre: Science

not made by the locomotive, the cause of the variation, but by the driver of the locomotive, who directs the engine on the right track. In the theory of selection the engine-driver is represented by utility, for with utility rests the decision {12} as to what particular variational track shall be travelled. The cogency, the irresistible cogency, as I take it, of the principle of selection is precisely its capacity of explaining why fit structures always arise, and that certainly is the great problem of life. Not the fact of change, but the manner of the change, whereby all things are maintained capable of life and existence, is the pressing question.

It is, therefore, a very remarkable fact, and one deserving of consideration, that to-day (1895), after science has been in possession of this principle for something over thirty years and during this time has steadily and zealously busied itself with its critical elaboration and with the exact determination of its scope, that now the estimation i



Join 120,000+ fellow readers! Get Free eBooks and book bargains from ManyBooks in your inbox. 

We respect your email privacy

login | register

User ID


reset password

Author of the Day

Elin Barnes
Elin Barnes has done many different things in her life, like being a flight instructor, working for a criminal appeals lawyer and working for many big name technology companies in Silicon Valley (Microsoft, Google etc.). But the one thing that she never thought would actually happen is to write (and finish) a book. Her debut novel, Justification for Murder, has, in the meantime, earned rave reviews and grown into a series. As our author of the day, Barnes reveals why she picked Silicon Valley as the backdrop, her inspiration behind writing a biomedical thriller and how she went for ride-alongs with the San Jose Police Department.
Read full interview...