RECORD: Darwin, C. R. n.d. Ch 4 / I ought to collect as many cases as possible of intermediate varieties. CUL-DAR45.89. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. RN1
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'.
[89]
Ch. 4
I ought to collect as many cases as possible of intermediate varieties inhabiting distinct areas, on account of Ch. 6. p. 62 & 63 — In this chapter p. 46 I give some cases of intermediate vars, between Coracias & a Carabus apparently produced by crossing — I have some good cases in Balanus—
I know there are some good ones in insects in going N. in Grt Britain — (E. Neuman.)
[in margin:] See Watsons M.S. on intermediate plants. See Loudon Cat. for their range
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 23 October, 2022