. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. Chap. XVI. Birds— Young like Adult Males, 477 male alone of imdertakes the duty of incubation; this is hkewise shewn by the state of his breast-feathers during the breeding-season. The female of the dotterel plover {Eudro- mias'thorinellus) is larger than the male, and has the red and. Fig. 62. Rhynchasa capensis (from Brehm). black tints on the lower surface, the white crescent on the breast, and the stripes over the eyes, more strongly pronounced. The male also takes at l
. The descent of man : and selection in relation to sex. Evolution; Natural selection; Heredity; Human beings. Chap. XVI. Birds— Young like Adult Males, 477 male alone of imdertakes the duty of incubation; this is hkewise shewn by the state of his breast-feathers during the breeding-season. The female of the dotterel plover {Eudro- mias'thorinellus) is larger than the male, and has the red and. Fig. 62. Rhynchasa capensis (from Brehm). black tints on the lower surface, the white crescent on the breast, and the stripes over the eyes, more strongly pronounced. The male also takes at least a share in hatching the eggs; but the female likewise attends to the ^ I have not been the above-named species take either the whole or a large share of the duties of incubation, and that they "shew mucli greater devotion " towards their young, when in "danger, than do the ; So 2<^ For these several statements, see Mr. Gould's ' Birds of Great Britain.' Prof. Newton informs me that he has long ))een convinced, from his own observations and from those of others, that the males of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Darwin, Charles, 1809-1882. New York : D. Appleton and Company
Size: 1621px × 1542px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjecthumanbeings, bookyear
