Search:
2 Items
Page: 1
To Mary Anne Theresa Whitby 2 September [1847]
Summary
Questions Mrs W on difference in flight capacity of male and female silkworm moths and asks her for results of experiments he suggested she do with silkworms to determine hereditariness of dark "eyebrows". [See Variation 1: 302.]
Author: | Charles Robert Darwin |
Addressee: | Mary Anne Theresa Whitby |
Date: | 2 Sept [1847] |
Classmark: | American Philosophical Society (Mss.B.D25.61) |
Letter no: | DCP-LETT-1113 |
To M. A. T. Whitby 14 October [1847]
Summary
Thanks for a suite of male and female specimens of Lepidoptera. Lack of difference in size of wings surprises CD; the female’s being smaller than male’s in early growth is new to him. Will ask a friend in India for comparable facts.
Author: | Charles Robert Darwin |
Addressee: | Mary Anne Theresa Whitby |
Date: | 14 Oct [1847] |
Classmark: | Lehigh University Libraries Special Collections (Honeyman Collection) |
Letter no: | DCP-LETT-1128 |
Document type
letter | (2) |
Addressee
Whitby, M. A. T. | (2) |