RECORD: Darwin, C. R. 1844.08. Waterhouse says, that beside his Bug case. CUL-DAR205.1.36. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 8.2021. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR205.1 contains notes on rudimentary organs.
36
Aug. 44 Waterhouse says, that beside his Bug case of one individual with wings, there is a long aquatic Hemipt, an Hydrometra, which is occasionally with quite perfect wings (doubts their flying) this happens on certain Ponds, as near Wandsworth there is others. An Omaseus is sometimes winged & sometimes not - W. Believes number of Mammæ good specific character, certainly in hollow horned Ruminants Antelopes, - Cow-case in same tribe Benthams law of variability.
V: Ogleby uses this as character. V. Zoolog: Proc: Jan 1840 (p. 4.) Also 1836 p. 138 Ogleby [over]
36v
say Bos. generic character "mammæ quatuor"
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 September, 2022