File:The descent of man, and selection in relation to sex (1871) (14596416429).jpg

Identifier: descentofmansele02darw (find matches)
Title: The descent of man, and selection in relation to sex
Year: 1871 (1870s)
Authors: Darwin, Charles, 1809-1882
Subjects: Evolution Natural selection Heredity Human beings -- Origin Evolution
Publisher: London, J. Murray
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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Fig. 48. Z.lumR., Lophomis ornatus, male and female (_from Brehm). Chap. XIII. DECORATION. 7< obscurely coloured and destitute of all ornaments, whilstthe males are probably the most highly decorated ofall birds, and in so many ways, that they must beseen to be appreciated. The elongated and golden-
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Fig. 49. Spathura underwoodi, male and female (.lium Brehm). 78 SEXUAL selection: birds. PartIL orange yjlumes whicli spring from beneath tlie wingsof tlie Paradisea apoda (see fig. 47 of P. rubra, a muchless beautiful species), when vertically erected and madeto vibrate, are described as forming a sort of halo, inthe centre of which the head looks like a little emerald sun with its rays formed by the two plumes. ^^In another most beautiful species the head is bald, and of a rich cobalt blue, crossed by several lines of black velvetv feathers. ^^ Male humming-birds (figs. 48 and 49) almost viewith Birds of Paradise in their beauty, as every one willadmit who has seen Mr. Goulds splendid volumes or hisrich collection. It is very remarkable in how^ manydifferent ways these birds are ornamented. Almost everypart of the plumage has been taken advantage of andmodified; and the modifications have been carried, asMr. Gould shewed me, to a wonderful extreme in somesj^ecies belonging to nearly

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