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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.