From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
31 [Oct 1859]
Source of text:
American Philosophical Society (Mss.B.D25.175)
Summary:
Further discussion of origin of domestic dog breeds.
Effects of crossing separate races.
Comments on rate of artificial and natural selection.
The origin of pigeon breeds.
Contributor:
Darwin Correspondence Project