Search: Darwin, C. R. in addressee 
Köppen, F. T. in author 
1870-1879::1874 in date 
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From:
Friedrich Theodor Köppen (Fedor Petrovich Keppen)
To:
Charles Robert Darwin
Date:
13 Nov 1874
Source of text:
DAR 91: 84
Summary:

Calls CD’s attention to a book that deals with subjects related to both Descent and Expression: Ferdinand Jahn, Die abnormen Zustände des menschlichen Lebens als Nachbildungen und Wiederholungen normaler Zustände des Thierlebens [1842].

Contributor:
Darwin Correspondence Project