RECORD: Darwin, C. R. n.d. Abstract of Geoffroy, Et Description anatomique d'un nouveau genre de poisson du Nil, nommé Polyptère. CUL-DAR205.5.9. 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.
E. Geoffroy. 1802. Geoffroy, Et Description anatomique d'un nouveau genre de poisson du Nil, nommé Polyptère. Annales du Muséum d'histoire naturelle, pp. 57-68.
[9]
Annales du Museum Vol. I. G. St. Hilaire, in a paper on a Fish from the Nile, remarks that it is the Cartilaginous fish which present the most anomalous forms. ie the most broken or fragmentary ie the oldest group, which is the case.—
The oldest & most fragmentary ought to have the most diverse geographical distribution.
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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 2 March, 2023