The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. [1842]. Waterhouse, Marsupialia, or pouched animals. CUL-DAR47.32. 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'.

Darwin, C. R. 1838-1858. 'Books.' read notebook. CUL-DAR120.-. "Waterhouse Marsup. Nat Lib marked Jan 42" Waterhouse, George Robert. 1841. Marsupialia, or pouched animals. In Jardine, William, ed., The naturalist's library. 40 vols. Edinburgh. 1843, vol. 8. [Darwin Library in CUL] [Abstracts in CUL-DAR45.56; CUL-DAR46.1.2 & CUL-DAR47.32.]

[32]

Laws of variation

Waterhouse Marsupialia (1845) p 406 — Homologous parts of molar teeth represent simple premolars. of Dolphins & Edentata &c &c.

p. 244. do p. 394 do — Owen has advanced this in his Lectures — If I can see his authority good case of ~~coherence~~ union of homologous parts.

Marsupialia p. 357 on Balancement & perhaps 406 do —

p. 308-403 In small species of same natural group the skull to certain extent resembles that of the larger species— Arrest of development??

# Ch 7

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