From:
Charles Robert Darwin
To:
Daniel Mackintosh
Date:
21 Dec 1880
Source of text:
Christie’s, New York (dealers) (9 June 1999)
Summary:
The recipient is thanked for his "interesting letter".
CD sends an article received from [James Geikie?]. "You will see that it is important to know whether the laminae of slate have ever been bent up-hill."
Contributor:
Darwin Correspondence Project