From:
Thomas Rivers
To:
Charles Robert Darwin
Date:
26 Jan 1863
Source of text:
DAR 176: 161
Summary:
Thanks CD for Origin.
TR has often thought naturalists do not pay enough attention to the effect of site, soil, and climate on animals and plants and "hence has arisen the enormous number of so-called species".
His observations on people of different counties.
Contributor:
Darwin Correspondence Project