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Sowerby, J. de C. in correspondent 
1850-1859::1850::09::10 in date 
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From:
Charles Robert Darwin
To:
James de Carle Sowerby
Date:
10 Sept [1850]
Source of text:
American Philosophical Society (Mss.B.D25.)
Summary:

New specimens have shown CD he has two distinct species under one name [in Fossil Cirripedia (Lepadidae)]. He adds new figures and suggests deletions. Will come to London when he has proofs.

Contributor:
Darwin Correspondence Project