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CYANALCYON.
INDEX.
DENDROPHILA.
637

  • Cyaxalcyon, sexual difference in colours of, 457; immature plumage of, 467.
  • Cychurs, sounds produced by, 304.
  • Cycnia mendica, sexual difference of, in colour, 316.
  • Cygnus ferus, trachea of, 374.
  • —— olor, white young of, 482.
  • Cyllo Lela, instability of the ocellatcd spots of, 428.
  • Cynanthus, variation in the genus, 423.
  • Cyinipidæ, proportions of the sexes in, 254.
  • Cynocephalus, difference of the young from the adult, 8; male, recognition of women by, 8; polygamons habits of species of, 217.
  • —— chacma. 70.
  • —— gelada, 81.
  • —— hamadryas, 81, 590; sexual difference of colour in, 537.
  • —— leucophus, colours of the sexes of, 533.
  • —— mormon, colours of the male, 538, 540, 5.30.
  • —— porcarius, mane of the male, 521.
  • Cypridina, proportions of the sexes in, 255.
  • Cyprinidæ, proportion of the sexes in the, 249.
  • ——, Indian, 343.
  • Cyprinodontidæ, sexual differences in the, 335, 337.
  • Cyprinus auratus, 342.
  • Cypris, relations of the sexes in, ‘255.
  • Cyrtodactylus rubidus, 354.
  • Cystophara cristata, hood of, 528.

D.

  • Dacelo, sexual difference of colour in, 457.
  • —— Guudichaudi, young male of, 457.
  • Dal-ripa, a kind of ptarmigan, 248.
  • Damalis albifrons, peculiar markings of, 544.
  • —— pygarga, peculiar markings of, 543.
  • Dampness of climate, supposed influence of, on the colour of the skin, 32, 193.
  • Danaidæ, 308.
  • Dances of birds, 380.
  • Dancing, universality of, 178.
  • Daniell, Dr., his experience of residence in West Africa, 195.
  • Darfur, protuberances artificially produced by natives of, 574.
  • Darwin, F., on the stridulation of Dermestes murinus, 302.
  • Dasychira pulibunda, sexual difference of colour in, 316.
  • Davis, A. H., on the pugnacity of the male stag-beetle, 300.
  • ——, J. B., on the capacity of the skull in various races of men, 54; on the beards of the Polynesians, 560.
  • Death-rate higher in towns than in rural districts, 139.
  • Death-tick, 306.
  • De Candolle, Alph., on a case of inherited power of moving the scalp, 13.
  • Declensions, origin of, 91.
  • Decoration in birds, 381.
  • Decticus, 285.
  • Deer, 233; development of the horns in, 233; spots of young, 464, 546; horns of, 503, 506; use of horns of, 510, 518; horns of a, in course of modification, 511; size of the horns of, 515; female, pairing with one male, whilst others are fighting for her, 522; male, attracted by the voice of the female, 537; male, odour emitted by, 529.
  • ——, Axis, sexual difference in the colour of the, 537.
  • ——, fallow, different coloured herds of, 540.
  • ——, Mantchurian, 546.
  • ——, Virginian, 546; Colour of the, not affected by castration, 535; colours of, 536.
  • Deerhound, Scotch, greater size of the male, 237, 516.
  • Defensive organs of mammals, 518.
  • De Geer, C., on a female spider destroying a male, 273.
  • Dekay, Dr., on the bladder-nose seal, 528.
  • Delorcnzi, G., division of malar bone, 39.
  • Demerara, yellow fever in, 194.
  • Dendrocygna, 465.
  • Dendropila frontalis, young of, 487.