From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
12 Oct 1849
Source of text:
DAR 114: 116
Summary:
CD thinks great dam across Yangma valley is a lateral glacial moraine.
Reports on Birmingham BAAS meeting.
Details of water-cure.
Barnacles becoming tedious; careful description shows slight differences constitute varieties, not species.
Lamination of gneiss.
Contributor:
Darwin Correspondence Project