DIOECIOUSNESS of strawberries.
DISEASES, inheritance of. -inherited at corresponding periods of life. -peculiar to localities and climates. -obscure correlations in. -affecting certain parts of the body. -occurring in alternate generations.
DISTEMPER, fatal to white terriers.
DISUSE and use of parts, effects of. -in the skeleton of rabbits. -in pigeons. -in fowls. -in ducks. -in the silk-moth.
DIVERGENCE, influence of, in producing breeds of pigeons.
DIXON, E.S., on the musk duck. -on feral ducks. -on feral pigeons in Norfolk Island. -crossing of pigeons. -origin of domestic fowls. -crossing of Gallus sonneratii and common fowl. -occurrence of white in the young chicks of black fowls. -Paduan fowl of Aldrovandi. -peculiarities of the eggs of fowls. -chickens. -late development of the tail in Cochin cocks. -comb of lark-crested fowls. -development of webs in Polish fowls. -on the voice of fowls. -origin of the duck. -ducks kept by the Romans. -domestication of the goose. -gander frequently white. -breeds of turkeys. -incubatory instinct of mongrels of non-sitting races of fowls. -aversion of the dovecote pigeon to pair with fancy birds. -fertility of the goose. -general sterility of the guans in captivity. -fertility of geese in captivity. -white pea-fowl.
DOBELL, H., inheritance of anomalies of the extremities. -non-reversion to a malformation.
DOBRIZHOFFER, abhorrence of incest by the Abipones.
DOGS, origin of. -ancient breeds of. -of Neolithic, Bronze and Iron periods in Europe. -resemblance of, to various species of Canidae. -of North America compared with wolves. -of the West Indies, South America, and Mexico. -of Guiana. -naked dogs of Paraguay and Peru. -dumb, on Juan Fernandez. -of Juan de Nova. -of La Plata. -of Cuba. -of St. Domingo. -correlation of colour in. -gestation of. -hairless Turkish. -inter-crossing of different breeds of. -characters of different breeds of, discussed. -degeneration of European, in warm climates. -liability to certain diseases in different breeds of. -causes of differences of breeds discussed. -catching fish and crabs in New Guinea and Tierra del Fuego. -webbing of the feet in. -influence of selection in producing different breeds of. -retention of original habits by. -inheritance of polydactylism in. -feral. -reversion in fourth generation of. -of the Pacific Islands. -mongrel. -comparative facility of crossing different breeds of. -fertility of. -interbreeding of. -selection of, among the Greeks. -among savages. -unconscious selection of. -valued by the Fuegians. -climatal changes in hair of. -production of drooping ears in. -rejection of bones of game by. -inheritance of rudiments of limbs in. -development of fifth toe in. -hairless, deficiency of teeth in. -short-faced, teeth of. -probable analogous variation in. -extinction of breeds of.
DOMBRAIN, H.H., on the auricula.