RECORD: Darwin, C. R. Wallace, `Narrative of travels on the Amazon' 1853. [2.1854] CUL-DAR205.3.156-157 Transcribed by Kees Rookmaaker, edited by John van Wyhe. (Darwin Online, http://darwin-online.org.uk/)
REVISION HISTORY: Transcribed by Kees Rookmaaker, corrected and edited by John van Wyhe, corrections by Gordon Chancellor 11.2011. RN2
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Reproduced with the permission of the Syndics of Cambridge University Library and William Huxley Darwin.
Narrative of Travels on the Amazon by A. Wallace 1853. —
p. 84 & 85. Remarks on birds with very different structure feeding on same food. Thus "the ibis, spoon-bill & heron may be seen side by side picking up the same food from the shallow waters on the beach; & on opening their stomachs, we find the same little crustacea & shell-fish in them all/" 10 pigeons, parrots, toucans & chatterers may often be seen feeding all together on the same tree. — But all this goes for nothing without food shown to be same throughout the year: no doubt different tribes (as goatsuckers & swallows may be adapted to the same food; but then they are exposed to different dangers &c.
version utilitarian section Difficulty on selection Kingsley & Huxley idea [illeg] existence
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p. 469 within day's journey of Peru, 600 diurnal Lepidoptera may be obtained. He obtained them. Mr Bates in the Amazonian valley has obtained 1000 species, & yet no variation of climate or in physical features of country. —
p. 471 gives several cases of the great branches of the Amazon & Amazon itself forming boundaries to the range of many monkeys, which do not swim.
p. 310 gives case of first appearance of the Rio Negro of swarms of "Piums" a biting fly.—
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Citation: John van Wyhe, editor. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)
File last updated 2 July, 2012