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668
peregrine.
INDEX.
pigeons.

  • Peregrine falcon, new mate found by, 408.
  • Period of variability, relation of, to sexual selection, 240.
  • Periodicity, vital, Dr. Laycock, on, 8.
  • Periods, lunar, followed by functions in man and animals, 8, 164.
  • —— of life, inheritance at corresponding, 228, 232,
  • Perisoreus canadensis, young of, 481.
  • Peritrichia, difference of colour in the sexes of a species of, 294.
  • Periwinkle, 262.
  • Pernis cristata, 424.
  • Perrier, M., on sexual selection, 210; on bees, 292.
  • Perseverance, a characteristic of man, 564.
  • Persians, said to be improved by intermixture with Georgians and Circassians, 586.
  • Personnat, M., on Bombyx Yamamai, 251.
  • Peruvians, civilisation of the, not foreign, 145.
  • Petrels, colours of, 493.
  • Petrocincla cyanea, young of, 487.
  • Petrocossyphus, 461.
  • Petronia, 483.
  • Pfeiffer Ida, on Javan ideas of beauty, 580.
  • Phacochœrus œthiopicus, tusks and pads of, 519.
  • Phalanger, Vulpine, black varieties of the, 539.
  • Phalaropus fulicarius, 476.
  • —— hyperboreus, 476.
  • Phanœus, 298.
  • —— carnifex, variation of the horns of the male, 297.
  • —— faunus, sexual differences of, 296.
  • —— lancifer, 295.
  • Phaseolarctus cinereus, taste for rum and tobacco, 7.
  • Phasgonura viridissima, stridulation of, 284, 285.
  • Phasianus Sœmmerringii, 446.
  • —— versicolor, 396.
  • —— Wallichii, 400, 472.
  • Pheasant, polygamous, 219; and black grouse, hybrids of, 414; production of hybrids with the common fowl, 420; immature plumage of the, 466.
  • Pheasant, Amherst, display of, 396.
  • ——, Argus, 334, 462; display of plumage by the male, 398; ocellated spots of the 428, 434; gradation of characters in the, 434.
  • ——, Blood-, 364.
  • ——, Cheer, 400, 472.
  • ——, Eared, 235, 400, 472; length of the tail in the, 452; sexes alike in the, 460.
  • ——, Golden, display of plumage by the male, 396; age of mature plumage in the, 483; sex of young, ascertained by pulling out head-feathers, 484.
  • ——, Kalij, drumming of the male, 375.
  • ——, Reeve's, length of the tail in, 452.
  • ——, Silver, triumphant male, deposed on account of spoiled plumage, 419; sexual coloration of the, 492.
  • ——, Sœmmerring's, 445, 452.
  • ——, Tragopan, 383; display of plumage by the male, 397; markings of the sexes of the, 428.
  • Pheasants, period of acquisition of male characters in the family of the, 235; proportion of sexes in chicks of, 247; length of the tail in, 445, 451, 452.
  • Philters, worn by women, 577.
  • Phoca grœnlandica, sexual difference in the coloration of, 535.
  • Phœnicura ruticilla, 408.
  • Phosphorescence of insects, 277.
  • Phryganidæ, copulation of distinct species of, 275.
  • Phryniscus nigricans, 349.
  • Physical inferiority, supposed, of man, 64.
  • Pickering, on the number of species of man, 174.
  • Picton, J. A., on the soul of man, 613.
  • Picus auratus, 362.
  • —— major, 402.
  • Pieris, 312, 319.
  • Pigeon, female, deserting a weakened mate, 214; carrier, late development of the wattle in, 238; pouter, late development of the crop in, 238; domestic, breeds and sub-breeds of, 460.
  • Pigeons, nestling, fed by the secretion