Page:Descent of Man 1875.djvu/697

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tench.
INDEX.
toads.
681

  • Tench, proportions of the sexes in the 249; brightness of male, during breeding season, 340.
  • Tenebrionidæ, stridulation of, 302.
  • Tennent, Sir J. E., on the tusks of the Ceylon Elephant, 507, 515; on the frequent absence of beard in the natives of Ceylon, 560; on the Chinese opinion of the aspect of the Cingalese, 578.
  • Tennyson, A., on the control of thought, 123.
  • Tenthredinidæ, proportions of the sexes in, 254; fighting habits of male, 291; difference of the sexes in, 292.
  • Tephrodornis, young of, 468.
  • Terai, in India, 182.
  • Termites, habits of, 291.
  • Terns, white, 492; and black, 493.
  • ——, seasonal change of plumage in, 492.
  • Terror, common action of, upon the lower animals and man, 69.
  • Testudo elegans, 351.
  • —— nigra, 351.
  • Tetrao cupido, battles of, 367; sexual difference in the vocal organs of, 371.
  • —— phasianellus, dances of, 380; duration of dances of, 405.
  • —— scoticus 455, 465, 471.
  • —— tetrix, 455, 465, 471; pugnacity of the male, 363.
  • —— umbellus, pairing of, 367; battles of, 367; drumming of the male, 375.
  • —— urogalloides, dances of, 405.
  • —— urogallus, pugnacity of the male, 363.
  • —— urophasianus, inflation of the œsophagus in the male, 372.
  • Thamnobia, young of, 468.
  • Thaumalea picta, display of plumage by the male, 396.
  • Thecla, sexual differences of colouring in species of, 310.
  • —— rubi, protective colouring of, 312.
  • Thecophora fovea, 308.
  • Theognis, selection in mankind, 29.
  • Theridion, stridulation of males of, 273.
  • —— lineatum, 272.
  • Thomisus citreus, and T. floricolens, difference of colour in the sexes of, 272.
  • Thompson, J. H., on the battles of sperm-whales, 500.
  • ——, W., on the colouring of the male char during the breeding season, 340; on the pugnacity of the males of Gallinula chloropus, 360; on the finding of new mates by magpies, 407; on the finding of new mates by Peregrine falcons, 408.
  • Thorax, processes of, in male beetles, 295.
  • Thorell, T., on the proportion of the sexes in spiders, 255.
  • Thornback, difference in the teeth of the two sexes of the, 334.
  • Thoughts, control of, 123.
  • Thrush, pairing with a blackbird, 414; colours and nidification of the, 455.
  • Thrushes, characters of young, 455, 464.
  • Thug, remorse of a, 117.
  • Thumb, absence of, in Ateles and Hylobates, 51.
  • Thury, M., on the numerical proportion of male and female births among the Jews, 243.
  • Thylacinus, possession of the marsupial sack by the male, 161.
  • Thysanura, 279.
  • Tibia, dilated, of the male Crabo cribrarius, 276.
  • —— and femur, proportions of, in the Aymara Indians, 34.
  • Tierra del Fuego, marriage-customs of, 598.
  • Tiger, colours and markings of the, 545.
  • Tigers, depopulation of districts by, in India, 46.
  • Tillus elongatus, difference of colour in the sexes of, 294.
  • Timidity, variability of, in the same species, 69.
  • Tineina, proportion of the sexes in, 250.
  • Tipula, pugnacity of male, 280.
  • Tits, sexual difference of colour in, 458.
  • Toads, 349; male, treatment of ova by some, 163; male, ready to breed before the female, 212.