RECORD: Darwin, C. R. n.d. Abstract of Leidy, Contributions to the extinct vertebrate fauna of the western territories. CUL-DAR205.5.197. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 1.2023. 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-DAR205.5 contains notes on the principle of divergence, transitional organs and instincts.
[197]
(Leidy) Contributions to the Extinct Vertebrate Fauna of the Western Territories 1873. p. 154,—160 extinct intermediate forms of Turtles.—
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 10 March, 2023