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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