From:
Charles Robert Darwin
To:
Charles Lyell, 1st baronet
Date:
26 Apr [1858]
Source of text:
American Philosophical Society (Mss.B.D25.151)
Summary:
Comments on letter from Georg Hartung to CL dealing with erratic boulders.
Discusses migration of plants and animals.
A letter from Thomas Thomson on heat endured by temperate plants.
Contributor:
Darwin Correspondence Project