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From:
Hugh Edwin Strickland
To:
Charles Robert Darwin
Date:
15 Feb 1849
Source of text:
Museum of Zoology Archives, University of Cambridge (Strickland Papers)
Summary:

Clarifies the notion and use of type-species and applies it to CD’s problem with Conchoderma.

Contributor:
Darwin Correspondence Project
From:
William Parsons (Lord Rosse)
To:
Sir John Herschel
Date:
[15 February 1849]
Source of text:
RS:HS 13.229
Summary:

Examined the nebula of Andromeda the night before last with his three-foot instrument. Comments on his observations and the sketch made by [W. C.?] Bond. Would require several good nights to make a sketch of value.

Contributor:
John Herschel Project