RECORD: Darwin, C. R. n.d. Abstract of Gray, Annals of Philosophy in July 1829. CUL-DAR45.44. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed and edited by John van Wyhe 4.2025. 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.

44

Dr. Gray has written in Annals of Philosophy in July 1829— on variability of teeth in Bats

introduce p. 32.

Ch. 4.

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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

File last updated 15 April, 2025