HORSE-CHESTNUT, early, at the Tuileries. -tendency to doubleness in.
HORSE-RADISH, general sterility of the.
"HOUDAN," a French sub-breed of fowls.
HOWARD, C., on an Egyptian monument. -on crossing sheep.
HUC, on the Emperor Khang-hi. -Chinese varieties of the bamboo.
HUMBOLDT, A., character of the Zambos. -parrot speaking in the language of an extinct tribe. -on Pulex penetrans.
HUMIDITY, injurious effect of, upon horses.
HUMPHREYS, Col., on Ancon sheep.
HUNGARIAN cattle.
HUNTER, JOHN, period of gestation in the dog. -on secondary sexual characters. -fertile crossing of Anser ferus and the domestic goose. -inheritance of peculiarities in gestures, voice, etc. -assumption of male characters by the human female. -period of appearance of hereditary diseases. -graft of the spur of a cock upon its comb. -on the stomach of Larus tridentatus.
HUNTER, W., evidence against the influence of imagination upon the offspring.
HUTH, Mr., close interbreeding of rabbits. -consanguineous marriages.
HUTTON, Capt., on the variability of the silk-moth. -on the number of species of silkworms. -markings of silkworms. -domestication of the rock-pigeon in India. -domestication and crossing of Gallus bankiva. -reversion in goats from a cross.
HUTCHINSON, Col., liability of dogs to distemper.
HUXLEY, Prof., on the transmission of polydactylism. -on unconscious selection. -on correlation in the mollusca. -on gemmation and fission. -development of star-fishes.
HYACINTHS. -bud-variation in. -graft-hybrid by union of half bulbs of. -white, reproduced by seed. -red. -varieties of, recognisable by the bulb.
HYACINTH, feather.
Hyacinthus orientalis.
Hybiscus syriacus.
HYBRIDS, of hare and rabbit. -of various species of Gallus. -of almond, peach, and nectarine. -naturally produced, of species of Cytisus. -from twin-seed of Fuchsia coccinea and fulgens. -reversion of. -from mare, ass, and zebra. -of tame animals, wildness of. -female instincts of sterile male. -transmission and blending of characters in. -breed better with parent species than with each other. -self-impotence in. -readily produced in captivity.
HYBRIDISATION, singular effects of, in oranges. -of cherries. -difficulty of, in Cucurbitae. -of roses.
HYBRIDISM. -the cause of a tendency to double flowers. -in relation to Pangenesis.
HYBRIDITY in cats. -supposed, of peach and nectarine.
Hydra.
HYDRANGEA, colour of flowers of, influenced by alum.
HYDROCELE.
HYDROCEPHALUS.
Hypericum calycinum.
Hypericum crispum.
HYPERMETAMORPHOSIS.
HYPERMETROPIA, hereditary.
ICHTHYOPTERYGIA, number of digits in the.
Ilex aquifolium.
IMAGINATION, supposed effect of, on offspring.
Imatophyllum miniatum, bud-variation in.
INCEST, abhorred by savages.
INCUBATION, by crossed fowls of non-sitting varieties.
INDIA, striped horses of. -pigs of. -breeding of rabbits in. -cultivation of pigeons in.
INDIVIDUAL variability in pigeons.
INGLEDEW, Mr., cultivation of European vegetables in India.
"INDISCHE Taube."
INHERITANCE. -doubts entertained of, by some writers. -importance of, to breeders. -evidence of, derived from statistics of chances. -of peculiarities in man. -of disease. -of peculiarities in the eye. -of deviations from symmetry. -of polydactylism. -capriciousness of. -of mutilations. -of congenital monstrosities. -causes of absence of. -by reversion or atavism. -its connection with fixedness of character. -affected by prepotency of transmission of character. -limited by sex. -at corresponding periods of life. -summary of the subject of. -laws of, the same in seminal and bud varieties. -of characters in the horse. -in cattle. -in rabbits. -in the peach. -in the nectarine. -in plums. -in apples. -in pears. -in the pansy. -of primary characters of Columba livia in crossed pigeons. -of peculiarities of plumage in pigeons. -of peculiarities of foliage in trees. -effects of, in varieties of the cabbage.
INSANITY, inheritance of.