The Descent of Man and Selection in Relation to Sex, Vol. II (1st Edition)

A brief summary will here be sufficient to recall to the reader's mind the more salient points in this work. Many of the views which have been advanced are highly speculative, a...

The immature plumage in relation to the character of the plumage in both sexes when adult--Six classes of cases--Sexual differences between the males of closely-allied or repres...

Choice exerted by the female--Length of courtship--Unpaired birds--Mental qualities and taste for the beautiful--Preference or antipathy shewn by the female for particular males...

Secondary sexual characters are more diversified and conspicuous in birds, though not perhaps entailing more important changes of structure, than in any other class of animals....

Differences between man and woman--Causes of such differences and of certain characters common to both sexes--Law of battle--Differences in mental powers--and voice--On the infl...

Voice--Remarkable sexual peculiarities in seals--Odour--Development of the hair--Colour of the hair and skin--Anomalous case of the female being more ornamented than the male--C...

The law of battle--Special weapons, confined to the males--Cause of absence of weapons in the female--Weapons common to both sexes, yet primarily acquired by the male--Other use...

FISHES: Courtship and battles of the males--Larger size of the females--Males, bright colours and ornamental appendages; other strange characters--Colours and appendages acquire...

On the effects of the continued selection of women according to a different standard of beauty in each race--On the causes which interfere with sexual selection in civilised and...

Discussion why the males alone of some species, and both sexes of other species, are brightly coloured--On sexually-limited inheritance, as applied to various structures and to...

on the characters of the rays, ii. 6; on the gemmeous dragonet, ii. 8; on the spawning of the salmon, ii. 19; on the incubation of the Lophobranchii, ii. 21; on rivalry in song-...

GRAY, J. E., on the caudal vertebrae of monkeys, i. 150; on the presence of rudiments of horns in the female of _Cervulus moschatus_, ii. 245; on the horns of goats and sheep, i...

MAMMALS, secondary sexual characters of, ii. 239; weapons of, ii. 241; recent and tertiary, comparison of cranial capacity of, i. 146; relative size of the sexes of, ii. 260; pu...

SWINHOE, R., on the common rat in Formosa and China, i. 50; on the sounds produced by the male Hoopoe, ii. 62; on _Dicrurus macrocercus_ and the Spoonbill, ii. 179; on the young...

READE, Winwood, on the Guinea sheep, i. 289; non-development of horns in castrated male Guinea sheep, ii. 247; on the occurrence of a mane in an African ram, ii. 285; on the neg...

changes of plumage in, i. 281; transmission of sexual peculiarities in, i. 283; changing colour after several moultings, i. 294; numerical proportion of the sexes in, i. 306; co...

purpose of, in lepidoptera, i. 399; relation of, to sexual functions, in fishes, ii. 14; difference of, in the sexes of snakes, ii. 29; sexual differences of, in lizards, ii. 36...

LAWRENCE, W., on the superiority of savages to Europeans in power of sight, i. 118; on the colour of negro infants, ii. 318; on the fondness of savages for ornaments, ii. 338; o...

on the number of species of man, i. 226; on the courtship of the land-snails, i. 324; on the brightness of the colours of male fishes during the breeding season, ii. 13; on the...

TRISTRAM, H. B., on unhealthy districts in North Africa, i. 244; on the habits of the chaffinch in Palestine, i. 307; on the birds of the Sahara, ii. 172; on the animals inhabit...

on the colouring of the sexes in species of _Thecla_, i. 389; on the resemblance of _Iphias glaucippe_ to a leaf, i. 394; on the rejection of certain moths and caterpillars by l...

EYEBROWS, elevation of, i. 19; development of long hairs in, i. 25; in monkeys, i. 192; eradicated in parts of South America and Africa, ii. 340; eradication of, by the Indians...

PARROTS, imitative faculties of, i. 44; change of colour in, i. 152; living in triplets, ii. 106; affection of, ii. 108; colours of, ii. 223; sexual differences of colour in, ii...

on the adult age of the Orang, i. 13; on the embryonic development of man, i. 14; on the origin of man, i. 4, 17; on variation in the skulls of the natives of Australia, i. 108;...

male, attracted by the voice of the female, ii. 276; male, odour emitted by, ii. 279; development of the horns in, i. 288; horns of a, in course of modification, ii. 255.

on the attraction of the males of _Lasiocampa quercus_ and _Saturnia carpini_ by the female, i. 312; on the proportion of the sexes in the Lepidoptera, i. 312; on the ticking of...

FORBES, D., on the Aymara Indians, i. 119; on local variation of colour in the Quechuas, i. 246; on the hairlessness of the Aymaras and Quechuas, ii. 322; on the long hair of th...

SHEEP, danger-signals of, i. 74; sexual differences in the horns of, i. 283; horns of, i. 289, ii. 246, 259; domestic, sexual differences of, late developed, i. 293; numerical p...

on the house-cricket, i. 352; on the object of the song of birds, ii. 52; on the finding of new mates by white owls, ii. 105; on spring coveys of male partridges, ii. 107.

NEWTON, A., on the throat-pouch of the male bustard, ii. 58; on the difference between the females of two species of _Oxynotus_, ii. 193; on the habits of the phalarope, dottere...

_Gelasimus_, use of the enlarged chela of the male, i. 331; pugnacity of males of, i. 333; proportions of the sexes in a species of, i. 315; rational actions of a, i. 334; diffe...

GORILLA, ii. 323; semi-erect attitude of the, i. 142; mastoid processes of the, i. 143; direction of the hair on the arms of the, i. 192; supposed evolution of the, i. 230; poly...

BISCHOFF, Prof., on the agreement between the brains of man and of the Orang, i. 11; figure of the embryo of the dog, i. 15; on the convolutions of the brain in the human foetus...

SPURS, occurrence of, in female fowls, i. 280, 284; development of, in various species of Phasianidae, i. 290; of Gallinaceous birds, ii. 44, 46; development of, in female Galli...

adult age of the, i. 13; ears of the, i. 21; vermiform appendage of, i. 27; platforms built by the, i. 36; alarmed at the sight of a turtle, i. 43; using a stick as a lever, i....

SPECIES, causes of the advancement of, i. 172; distinctive characters of, i. 214; or races of man, i. 217; sterility and fertility of, when crossed, i. 122; supposed, of man, i....

on the markings of the Tragopan pheasant, ii. 134; on the nidification of the Orioles, ii. 168; on the nidification of the hornbills, ii. 169; on the Sultan yellow-tit, ii. 174;...

BARRINGTON, Daines, on the language of birds, i. 55; on the clucking of the hen, ii. 51; on the object of the song of birds, ii. 52; on the singing of female birds, ii. 54; on b...

COCK, game, killing a kite, ii. 44; blind, fed by its companions, i. 77; comb and wattles of the, ii. 98; preference shown by the, for young hens, ii. 121; game, transparent zon...

BULLFINCH, sexual differences in the, i. 269; piping, ii. 52; female, singing of the, ii. 54; courtship of the, ii. 94; widowed, finding a new mate, ii. 105; attacking a reed-bu...

on the contest in man between right and wrong, i. 104; on the physical weakness of man, i. 156; on the primitive civilisation of man, i. 181; on the plumage of the male Argus ph...

JAWS, smaller in the same ratio with the extremities, i. 117; influence of food upon the size of, i. 118; diminution of, in man, i. 144; in man, reduced by correlation, ii. 325.

on rivalry in song-birds, ii. 53; on the singing of female birds, ii. 54; on birds acquiring the songs of other birds, ii. 55; on pairing the canary and siskin, ii. 115; on a su...

on the moral sense as a distinction between man and animals, i. 70; on variability, i. 112; on the fertility of Australian women with white men, i. 221; on the Paulistas of Braz...

on _Palamedea cornuta_, ii. 48; on the beards of the Guaranys, ii. 322; on strife for women among the Guanas, ii. 324; on infanticide, ii. 344, 364; on the eradication of the ey...

on the instinctive dread of monkeys for serpents, i. 42; on a baboon using a mat for shelter from the sun, i. 53; on the use of stones as missiles by baboons, i. 51; on the sign...

on abnormal conditions of the human uterus, i. 123; on the number of digits in the Ichthyopterygia, i. 125; on the canine teeth in man, i. 126; on the walking of the chimpanzee...

non-prevalence of suicide among the lowest barbarians, i. 94; on the immorality of savages, i. 97; on Mr. Wallace's claim to the origination of the idea of natural selection, i....

CHIMPANZEE, ii. 323; ears of the, i. 21; representatives of the eyebrows in the, i. 25; platforms built by the, i. 36; cracking nuts with a stone, i. 51; hands of the, i. 139; a...

ESCHRICHT, on the development of hair in man, i. 24; on a lanuginous moustache in a female foetus, i. 25; on the want of definition between the scalp and the forehead in some ch...

on the elytra of _Dytiscus_, i. 343; on peculiarities in the legs of male insects, i. 344; on the relative size of the sexes in insects, i. 345; on the luminosity of insects, i....

on the tusks of the musk-deer, ii. 256, 258; on the odoriferous glands of mammals, ii. 279; on the odoriferous glands of the musk-deer, ii. 280; on winter changes of colour in m...

MUSIC, i. 232; of birds, ii. 51; discordant, love of savages for, ii. 67; different appreciation of, by different peoples, ii. 333; origin of, ii. 333, 337; effects of, ii. 335.

SAVAGES, imitative faculties of, i. 57, 161; causes of low morality of, i. 97; uniformity of, exaggerated, i. 111; long-sighted, i. 118; rate of increase among, usually small, i...

MACGILLIVRAY, W., on the vocal organs of birds, i. 59; on the Egyptian goose, ii. 48; on the habits of woodpeckers, ii. 63; on the habits of the snipe, ii. 64; on the white-thro...

influence of, on man, i. 151, 154; limitation of the principle, i. 152; influence of, on social animals, i. 155; Mr. Wallace on the limitation of, by the influence of the mental...

SEALS, their sentinels generally females, i. 74; evidence furnished by, on classification, i. 190; sexual differences in the coloration of, ii. 287; appreciation of music by, ii...

on the polygamy of the South African antelopes, i. 267; on the proportion of the sexes in _Kobus ellipsiprymnus_, i. 305; on _Bucephalus capensis_, ii. 29; on South African liza...

on the bullfinch and starling, ii. 105; on the cause of birds remaining unpaired, ii. 107; on starlings and parrots living in triplets, ii. 107; on recognition of colour by bird...

SCLATER, P. L., on modified secondary wing-feathers in the males of _Pipra_, ii. 65; on elongated feathers in nightjars, ii. 73; on the species of _Chasmorhynchus_, ii. 79; on t...

BRAIN, of man, agreement of the, with that of lower animals, i. 10; convolutions of, in the human foetus, i. 16; larger in some existing mammals than in their tertiary prototypes,

monogamous, becoming polygamous under domestication, i. 270; eagerness of male in pursuit of the female, i. 272; wild, numerical proportion of the sexes in, i. 306; secondary se...

LANDOIS, H., on the production of sound by the Cicadae, i. 351; on the stridulating organ of the Crickets, i. 354; on _Decticus_, i. 355; on the stridulating organs of the Acrid...

on hereditary genius, i. 111; on the effects of natural selection on civilised nations, i. 168; on the sterility of sole daughters, i. 170; on the degree of fertility of people...

MCNEILL, Mr., on the use of the antlers of deer, ii. 252; on the Scotch deerhound, ii. 261; on the long hairs of the throat of the stag, ii. 268; on the bellowing of stags, ii....

WEIR, Harrison, on the numerical proportion of the sexes in pigs and rabbits, i. 305; on the sexes of young pigeons, i. 306; on the songs of birds, ii. 52; on pigeons, ii. 109;...

on the immature plumage of thrushes, ii. 185; on the immature plumage of birds, ii. 186 _et seq._; on birds breeding in immature plumage, ii. 214; on the growth of the crest and...

on the bladder-nose seal, ii. 278; on the colours of the sexes in _Phoca groenlandica_, ii. 287; on the appreciation of music by seals, ii. 333; on plants used as love-philters,...

Vol. I. pp. 297-299.--I have fallen into a serious and unfortunate error, in relation to the sexual differences of animals, in attempting to explain what seemed to me a singular...

on the absence of ocelli in female mutillidae, i. 341; on the jaws of _Ammophila_, i. 342; on the copulation of insects of distinct species, i. 342; on the male of _Crabro cribr...

WAITZ, Prof., on the number of species of man, i. 226; on the colour of Australian infants, ii. 318; on the beardlessness of negroes, ii. 321; on the fondness of mankind for orn...

TRAGOPAN, i. 270; swelling of the wattles of the male, during courtship, ii. 72; display of plumage by the male, ii. 91; markings of the sexes of the, ii. 134.

on differences in the Lemuroidea, i. 198; on the throat-pouch of the male Bustard, ii. 58; on the mane of _Otaria jubata_, ii. 267; on the suborbital pits of Ruminants, ii. 280;...

on the colour of the Axis deer, ii. 290; on sexual difference of colour in _Hylobates hoolock_, ii. 291; on the hog-deer, ii. 303; on the beard and whiskers in a monkey becoming...

WAPITI, battles of, ii. 240; traces of horns in the female, ii. 245; attacking a man, ii. 253; crest of the male, ii. 282; sexual difference in the colour of the, ii. 289.

BREHM, on the effects of intoxicating liquors on monkeys, i. 12; on the recognition of women by male _Cynocephali_, i. 13; on revenge taken by monkeys, i. 40; on manifestations...

on the rearing of the Ailanthus silk-moth, i. 311; on breeding Lepidoptera, i. 311; proportion of sexes of _Bombyx cynthia_, _B. yamamai_, and _B. Pernyi_, reared by, i. 313; on...

on the contrast in the characters of the Malays and Papuans, i. 216; on the line of separation between the Papuans and Malays, i. 218; on the sexes of _Ornithoptera Croesus_, i....

on the sexes and young of the sparrows, ii. 212; on dimorphism in some herons, ii. 214; on orioles breeding in immature plumage, ii. 214; on the sexes and young of _Buphus_ and...

_Macacus_, ears of, i. 23; convoluted body in the extremity of the tail of, i. 30; variability of the tail in species of, i. 150; whiskers of species of, ii. 283.

FISHES: Courtship and battles of the males--Larger size of the females--Males, bright colours and ornamental appendages; other strange characters--Colours and appendages acquire...

on the coloration of the Cotingidae, ii. 177; on the females of _Paradisea apoda_ and _papuana_, ii. 193; on the incubation of the cassowary, ii. 204; on protective coloration i...

DEER, spots of young, ii. 184, 303; horns of, ii. 243, 248; use of horns of, ii. 252, 263; size of the horns of, ii. 259; female, pairing with one male, whilst others are fighti...

On the effects of the continued selection of women according to a different standard of beauty in each race--On the causes which interfere with sexual selection in civilised and...

on the coloration of the _Triphaenae_, i. 395; on the rejection of certain caterpillars by birds, i. 417; on sexual differences of the beak in the goldfinch, ii. 40; on a piping...

The immature plumage in relation to the character of the plumage in both sexes when adult--Six classes of cases--Sexual differences between the males of closely-allied or repres...

on mimickry in butterflies, i. 412; on the mimickry of leaves by Phasmidae, i. 414; on the bright colours of caterpillars, i. 416; on brightly-coloured fishes frequenting reefs,...

Voice--Remarkable sexual peculiarities in seals--Odour--Development of the hair--Colour of the hair and skin--Anomalous case of the female being more ornamented than the male--C...

BLYTH, E., observations on Indian crows, i. 77; on the structure of the hand in species of _Hylobates_, i. 140; on the ascertainment of the sex of nestling bullfinches by pullin...

on the Cynipidae and Cecidomyidae, i. 314; on the jaws of _Ammophila_, i. 342; on _Corydalis cornutus_, i. 342; on the prehensile organs of male insects, i. 342; on the antennae...

The law of battle--Special weapons, confined to the males--Cause of absence of weapons in the female--Weapons common to both sexes, yet primarily acquired by the male--Other use...

Differences between man and woman--Causes of such differences and of certain characters common to both sexes--Law of battle--Differences in mental powers--and voice--On the infl...

on _Oriolus melanocephalus_, ii. 178; on _Palaeornis javanicus_, ii. 179; on the genus _Ardetta_, ii. 179; on the peregrine falcon, ii. 180; on young female birds acquiring male...

on the pugnacity of the amadavat, ii. 49; on the spoonbill, ii. 60; on the moulting of _Anthus_, ii. 83; on the moulting of bustards, plovers, and _Gallus bankiva_, ii. 84; on t...

on the disfigurements practised by the negroes, ii. 296; on the gashing of the cheeks and temples practised in Arab countries, ii. 339; on the coiffure of the North Africans, ii...

Choice exerted by the female--Length of courtship--Unpaired birds--Mental qualities and taste for the beautiful--Preference or antipathy shewn by the female for particular males...

Discussion why the males alone of some species, and both sexes of other species, are brightly coloured--On sexually-limited inheritance, as applied to various structures and to...

on the prevalence of licentiousness among savages, i. 96, ii. 358; on infanticide, i. 134, ii. 363; on the primitive barbarism of civilised nations, i. 181; on traces of the cus...

on the ancient inhabitants of Europe, i. 237; on the effects of use and disuse of parts, i. 247; on the superciliary ridge in man, ii. 316; on the absence of race-differences in...

on _Pneumora_, i. 358; on difference of colour in the sexes of beetles, i. 367; on moths brilliantly coloured beneath, i. 397; on mimickry in butterflies, i. 412; on _Gynanisa I...

on sexes of dragon-flies, i. 361; on the difference of the sexes in the Ichneumonidae, i. 365; on the sexes of _Orsodacna atra_, i. 368; on the variation of the horns of the mal...