RECORD: Darwin, C. R. n.d. Under Variability I must allude to Dimorphism. CUL-DAR45.57. Edited by John van Wyhe (The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. RN2
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library William Huxley Darwin. The volume CUL-DAR45 contains notes for Natural selection chap. 4 'Variation under nature'.
[57]
Under Variability
I must allude to Dimorphism of Female Dytiscus & Hydroporus in sulcation & puncturing — Dimorphic female Libellula in colour & in shortness of wing (see Laws of variation) in being apterous see Westwood — There is case of Malayan male Beetles —is it that char
Walsh 8vo Pamph. (336) p. 222 many good cases of dimorphism in all orders given.—
[Walsh, Benjamin Dann. 1863. Observations on certain North American Neuroptera, by H. Hagen, M.D., of Koenigsberg, Prussia; translated from the original French MS., and published by permission of the author, with notes and descriptions of about twenty new species of North American Pseudoneuroptera. Proceedings of the Entomological Society of Philadelphia 2: 167-272. [inscribed][Darwin Pamphlet Collection 336] PDF]
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
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