RECORD: Darwin, C. R. n.d. Abstract of Azara, Apuntamientos para la historia natural de los páxaros del Paraguay y Rio de la Plata. CUL-DAR45.108. Edited by John van Wyhe (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Christine Chua and edited by John van Wyhe 10.2022. RN1
NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library William Huxley Darwin. The volume CUL-DAR45 contains notes for Natural selection chap. 4 'Variation under nature'.
Azara, Félix d'. 1802-5. Apuntamientos para la historia natural de los páxaros del Paraguay y Rio de la Plata. Madrid: Imprenta de la Viuda de Ibarra. 3 vols.
[108]
Ch. 4 V. Andrew Smith
Azara. Vol 3 p. 172 says in flocks of Molothrus niger about 1/10 V. Zoolog. of Beagle's Voyage are often of smaller size & brown-coloured. — in some flocks there are none.— Azara doubts their being female.—
Sonnini in notes to Azara. — says probably females. — Azara considers these as variety
⸮ effect of bad nutrition in some of the foster-parent? See Andrew Smith
Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 25 October, 2022