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From Francis Walker   9 December 1867

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Summary

The horns and spines of homopterous insects do not vary between sexes. Sexual differences in Blattidae.

Author:  Francis Walker
Addressee:  Charles Robert Darwin
Date:  9 Dec 1867
Classmark:  DAR 82: A48–9
Letter no:  DCP-LETT-5718

Matches: 1 hit

  • … vol.  13, letter from E.  A.  Darwin to Emma Darwin, 25 [November 1865] , n.  3). See also …
Document type
letter (1)
Author
Walker, Francis (1)
Addressee
Darwin, C. R. (1)
Correspondent
Darwin, C. R.disabled_by_default
Walker, Francisdisabled_by_default
Date
1867 (1)

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