From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
21 Apr [1856]
Source of text:
American Philosophical Society (Mss.B.D25.126)
Summary:
Speculates about cause of inclination in unusual columns of lava. Suggests CL check with William Hopkins about sliding movements in viscid matter.
Comments on CL’s expedition to Madeira.
Contributor:
Darwin Correspondence Project