Search: 1840-1849 in date 
Darwin, C. R. in correspondent 
Yarrell, William in correspondent 
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From:
Charles Robert Darwin
To:
William Yarrell
Date:
[5 or 12] Sept 1842
Source of text:
Alexander Turnbull Library, National Library of New Zealand (Letters to Dr William Kitchen Parker and his sons, MS-Papers-1256-2)
Summary:

CD is too dull and languid to see Mr Bicheno but will be glad to answer his questions if he writes.

Asks WY to ask J. Sebright "whether the cross with white bantam brought back any of the ""secondary male characters"" to the hen–cock breed".

Contributor:
Darwin Correspondence Project
From:
William Yarrell
To:
Charles Robert Darwin
Date:
29 July 1845
Source of text:
DAR 183: 1
Summary:

Answers CD’s queries about the number and distribution of species in certain fish genera.

Contributor:
Darwin Correspondence Project