From:
Jean Louis Armand (Armand de Quatrefages) Quatrefages de Bréau
To:
Charles Robert Darwin
Date:
4 Mar 1868
Source of text:
DAR 85: B66–7
Summary:
Proportions of sexes of the silkworm are about equal, but knows of no statistics.
Cannot share his view of origin of species.
Contributor:
Darwin Correspondence Project