The Complete Work of Charles Darwin Online

RECORD: Darwin, C. R. n.d. Abstract of Sheppard & Whitear, A catalogue of the Norfolk and Suffolk birds; with remarks. CUL-DAR205.10.55. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 5.2023. 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-DAR205.10 contains notes on variation and varieties. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.

Revett Sheppard & William Whitear. 1827. A catalogue of the Norfolk and Suffolk birds; with remarks. Transactions of the Linnean Society 15: 1-62.

[55]

Linn. Trans Vol XV. P. 1. p. 9. The eggs of the crow are subject to ~~vary~~ vary (Mr. Sheppard & Whitear Catalogue of the Norfolk & Suffolk birds) both in shape & colour.

Has two from same nest differing, one pale green & with very small spots & the other almost entirely covered with large dusky spots.— The eggs of rooks vary in colour in same way —(He has seen two cases of Rooks with upper mandible an inch longer than under one.) cop[ied] (Q)

[Quoted in Natural selection, pp. 205-6.]

p. 14 Eggs of red-backed shrike, like those of many other birds are subject to same variation; apparently in colour.—

p. 53. Larus ridibundus eggs vary so much in size, shape & colour, that a person, not well acquainted with them wd suppose some of them belonged to a different species.

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