RECORD: Darwin, C. R. n.d. Abstract of Martin, A general introduction to the natural history of mammiferous animals, etc. CUL-DAR47.31. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 7.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin. The volume CUL-DAR47 contains notes for Natural selection chap. 7 'Laws of Variation'.
Martin, W. C. L. 1841. A general introduction to the natural history of mammiferous animals, with a particular view of the physical history of man, and the more closely allied genera of the order Quadrumana, or monkeys. London.
[31]
Variability Laws of
The Nat. Hist of Mamm. Animals by W. C. L. Martin 1841.
p. 391 As the Orang grew older the nail of the hinder thumb which had existed rudimentarily quite disappeared.
p. 392 The presence of the nail is very variable.
420 Hylobates agilis. The union of the 1st & 2nd finger of the foot varies much in different individuals. Sometimes plainly united & sometimes not at all.
434 Hyl. Lar. 1st & second toe not at all united; but in a 2nd specimen united by a broad web to the end of the 1st phalanx
Other facts given shewing variability in this respect. In H. syndactylus it is well & known & curious charcter that these 2 fingers are united — Var . in same species like other species
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 28 August, 2023