Page:Descent of Man 1875.djvu/663

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* "Greatest happiness principle," 120, 121.
 * Greeks, ancient, 140.
 * Green, A. H., on beavers fighting, 500; on the voice of the beaver, 527.
 * Greenfinch, selected by a female canary, 415.
 * Greg, W. R., on the effects of natural selection on civilised nations, 133; on the early marriages of the poor, 138; on the Ancient Greeks, 141.
 * Grenadiers, Prussian, 29.
 * Grey, Sir G., on female infanticide in Australia, 592.
 * Greyhounds, numerical proportion of the sexes in, 215, 216; numerical proportion of male and female births in, 246, 258.
 * Grouse, red, monogamous, 219; pugnacity of young male, 366; producing a sound by scraping their wings upon the ground, 374; duration of courtship of, 405; colours and nidification of, 455.
 * Gruber, Dr., on the occurrence of the supra-condyloid foramen in the humerus of man, 21; on division of malar bone, 39; stridulation of locust, 284.
 * Grus americanus, age of mature plumage in, 483; breeding in immature plumage, 484.
 * virgo, trachea of, 374.
 * Gryllus campestris, 284; pugnacity of male, 289.
 * domesticus, 284.
 * Grypus, sexual differences in the beak in, 359.
 * Guanacoes, battles of, 500; canine teeth of, 514.
 * Guanas, strife for women among the, 562; polyandry among the, 593.
 * Guanche skeletons, occurrence of the supra-condyloid foramen in the humerus of, 22.
 * Guaranys, proportion of men and women among, 244; colour of newborn children of the, 557; beards of the, 561.
 * Guenée, A., on the sexes of Hyperythra, 251
 * Guilding, L., on the stridulation of the Locustidæ, 283.
 * Guillemot, variety of the, 424.
 * Guinea, sheep of, with males only horned, 234.
 * Guinea-fowl, monogamous, 219; occasional polygamy of the, 220; markings of the, 429.
 * Guinea-pigs, inheritance of the effects of operations by, 603.
 * Gulls, seasonal change of plumage in, 492; white, 492.
 * Günther, Dr., on paddle of Ceratodus, 37; on hermaphroditism in Serranus, 162; on male fishes hatching ova in their mouths, 163, 345; on mistaking infertile female fishes for males, 249; on the prehensile organs of male Plagiostomous fishes, 331; spines and brushes on fishes, 331; on the pugnacity of the male salmon and trout, 332; on the relative size of the sexes in fishes, 335; on sexual differences in fishes, 336 et seq.; on the genus Callionymus, 337; on a protective resemblance in a pipe-fish, 344; on the genus Solenostoma, 346; on the coloration of frogs and toads, 349; combats of Testudo elegans, 351; on the sexual differences in the Ophidia, 351; on differences of the sexes of lizards, 354 et seq.
 * Gynanisa Isis, ocellated spots of, 428.
 * Gypsies, uniformity of, in various parts of the world, 193.


 * Habits, bad, facilitated by familiarity, 123; variability of the force of, 125.
 * Häckel, E., on the origin of man, 3; on rudimentary characters, 11; on death caused by inflammation of the vermiform appendage, 21; on the canine teeth in man, 40; on the steps by which man became a biped, 52; on man as a member of the Catarrhine group, 155; on the position of the Lemuridæ, 157; on the genealogy of the Mammalia, 158; on the lancelet, 159; on the transparency of pelagic animals, 261; on the musical powers of women, 573.