RECORD: Darwin, C. R. [1864-1874]. Abstract of Günther, Reptiles of British India. CUL-DAR89.5. 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 11.2021. RN2
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 volumes CUL-DAR87-90 contain material for Darwin's book Descent of man 2d ed. (1874-1877).
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Descent
Tortoises fight together, I think males — Günther Indian Reptiles p. 7. If so, the determina belli causa, may affect any animal.— (some species have somewhere marks on under side
Günther, Albert. 1864. The reptiles of British India. London: Ray Society. 452pp. [CUL-DAR.LIB.PER-U183] PDF
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 23 August, 2025