DE CANDOLLE, P., non-variability of monotypic genera. -relative development of root and seed in Raphanus sativus.
DECAISNE, on the cultivation of the wild carrot. -varieties of the pear. -intercrossing of strawberries. -fruit of the apple. -sterility of Lysimachia nummularia. -tender variety of the peach.
DEER, assumption of horns by female. -imperfect development of horns in a, on a voyage.
DEER, fallow.
DEERHOUND, Scotch, difference in size of the sexes of. -deterioration of.
DEGENERATION of high-bred races, under neglect.
DE JONGHE, J., on strawberries. -soft-barked pears. -on accumulative variation. -resistance of blossoms to frost.
DELAMER, E.S., on rabbits.
Delphinium ajacis.
Delphinium consolida.
DELPINO on Pangenesis.
Dendrocygna viduata.
DENNY, H., lice of Aperea.
DENTITION, variations of, in the horse.
DEODAR.
DESMAREST, distribution of white on dogs. -cat from the Cape of Good Hope. -cats of Madagascar. -occurrence of striped young in Turkish pigs. -French breeds of cattle. -horns of goats. -on hornless goats.
DESPORTES, number of varieties of roses.
DEVAY, Dr., singular case of albinism. -on the marriage of cousins. -on the effects of close interbreeding.
DEVELOPMENT and metamorphosis.
DEVELOPMENT, arrests of.
DEVELOPMENT, embryonic.
D'HERVEY-SAINT-DENYS, L., on the Yami, or imperial race of the Chinese.
DHOLE, fertility of the, in captivity.
DIABETES, occurrence of, in three brothers.
Dianthus, contabescent plants of. -hybrid varieties of.
Dianthus armeria and deltoides, hybrids of.
Dianthus barbatus.
Dianthus caryophyllus.
Dianthus japonicus, contabescence of female organs in.
Diapheromera femorata.
DICHOGAMOUS plants.
DICKSON, Mr., on "running" in carnations. -on the colours of tulips.
Dicotyles torquatus and labiatus.
DIEFFENBACH, dog of New Zealand. -feral cats in New Zealand. -polydactylism in Polynesia.
Dielytra.
DIET, change of.
Digitalis, properties of, affected by culture.
DIGITS, supernumerary. -analogy of, with embryonic conditions. -fusion of.
DIMORPHIC plants. -conditions of reproduction in.
DIMORPHISM, reciprocal.
DINGO, -variation of, in colour. -half-bred, attempting to burrow. -attraction of foxes by a female. -variations of, in confinement.
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.