—evils of close interbreeding of, 17 (2); —crossing of, 15; —prepotency of transmission in, 14; —rudimentary organs in, 24; —homology of wing and leg feathers in, 25; —hybrids of, with pheasants and _ Gallus sonneratii,_ 13; —black-skinned, 20; —black, preyed upon by the osprey in Ireland, 21; —five-toed, mentioned by Columella, 28; —rumpless, tailed chickens produced by, 13; —Dorking, crosses of, 15; —form of comb and colour of plumage in, 21; —game, crossing of white and black, 15; —five-spurred, 27; —Spanish, liable to suffer from frost, 24; —Polish, peculiarities of skull of, 25.
FOX, sterility of, in captivity, 18.
FOX, S. BEVAN, races of bees, 8.
FOX, W. DARWIN, gestation of the dog, 1; —“Negro” cat, 1; —reversion of sheep in colour, 13; —period of gestation in the pig, 3; —young of the Himalayan rabbit, 4; —crossing of wild and domestic turkeys, 8; —reversion in crossed musk ducks, 13; —spontaneous segregation of varieties of geese, 16; —effects of close interbreeding upon bloodhounds, 17; —deafness of white cats with blue eyes, 25.
FOXHOUNDS, 1, 17.
FRIESLAND cattle, probably descended from _Bos primigenius,_ 3.
FROG, polydactylism in the, 12.
FRUIT, seedless, 18.
FRUIT-TREES, varieties of, occurring wild, 9.
FRY, Mr., on fertile hybrid cats, 1; —on feral fowls in Ascension, 7.
FUCHSIAS, origin of, 10; _Fuchsia coccinea_ and _fulgens,_ twin seed produced by crossing, 11.
FUEGIANS, their superstition about killing young water-fowl, 9; —selection of dogs by the, 20; —their comparative estimation of dogs and old women, 20; —their power of distant vision, 20.
FUNGI, parasitic, 23 (2).
FÜRBRINGER, Dr., on nails of Saurians, 27.
FURCULUM, characters and variations of the, in pigeons, 5; —alteration of, by disuse, in pigeons, 5; —characters of, in fowls, 7.
FUSION of homologous parts, 27.
GAIT, inheritance of peculiarities of, 12.
GALAPAGOS Archipelago, its peculiar fauna and flora, Introduction GALLS, 13 (2).
GALL-GNATS, 23.
GALL-LIKE excrescences not inherited, 13.
GALLINACEOUS birds, restricted range of large, 7; —general fertility of, in captivity, 18.
GALLESIO, species of oranges, 10; —hybridisation of oranges, 10; —persistency of races in the peach, 10; —supposed specific distinctions of peach and nectarine10; —crossing of red and white carnations, 11; —crossing of the orange and lemon, 11, 27; —effect of foreign pollen on maize, 4; —spontaneous crossing of oranges, 15; —monstrosities a cause of sterility in plants, 18; —seeding of ordinarily seedless fruits, 18; —tendency of male flowers to become double, 18; —effects of selection in enlarging fruit, etc., 20; —variation of the orange-tree in North Italy, 22; —naturalisation of the orange in Italy, 24.
_Gallus æneus,_ a hybrid of _G. varius_ and the domestic fowl, 7.
_Gallus bankiva,_ probable original of domestic fowls, 7 (3); —game-fowl, nearest to, 7; —its character and habits, 7, 16; —differences of various breeds of fowls from, 7; —occipital foramen of, figured, 7; —skull of, figured, 7; —cervical vertebra of, figured, 7; —furculum of, figured, 7; —reversion to, in crossed fowls, 13 (2); —number of eggs of, 16.
_Gallus sonneratii,_ characters and habits of, 7; —hybrids of, 7, 13 _Gallus varius,_ characters and habits of, 7; —hybrids and probable hybrids of, 7.
GALTON, Mr., fondness of savages for taming animals, 1; —cattle of Benguela, 3; —on hereditary talent, 12; —on Pangenesis, 27.
GAMBIER, Lord, his early cultivation of the pansy, 10.
GAME-FOWL, 7 (2).
GAPES, 21.
GARCILAZO DE LA VEGA, annual hunts of the Peruvian Incas, 20.
GARNETT, Mr., migratory propensities of hybrid ducks, 13.
GARROD, Dr., on hereditary gout, 12.
GÄRTNER, on the sterility of hybrids, 6, 16, 19; —acquired sterility of varieties of plants when crossed, 10; —sterility in transplanted plants, and in the lilac in Germany, 18; —mutual sterility of blue and red flowers of the pimpernel, 19; —supposed rules of transmission in crossing plants, 14; —on repeated crossing, 22; —absorption of one species by another, when crossed, 15; —crossing of varieties of the pea, 11; —of _Cereus,_ 11; —variability of hybrids, 22; —variable hybrids from one variable parent, 22; —graft hybrid produced by inoculation in the vine, 11; —effect produced by grafts on the stock, 11, 23; —tendency of hybrid plants to produce double flowers, 18; —production of perfect fruit by sterile hybrids, 18; —sexual elective affinity, 19; 17 (2); —on the action of pollen, 16; —prepotency of pollen, 19; —prepotency of transmission in species of _Nicotiana,_ 14; —effect of manure on the fertility of plants, 18; —inheritance of plasticity, 21; —villosity of plants, 23.
GASPARINI, a genus of pumpkins, founded on stigmatic characters, 10.
GAUDICHAUD, bud-variation in the pear, 11; —apple-tree with two kinds of fruit on branch, 11.
GAYAL, domestication of the, 3.
GAYOT. _See_ Moll.
GEESE (_anseres_), general fertility of, in captivity, 18.
GEMMATION and fission, 27.
GENERATION, alternate, 27 (3).
GENERATION, sexual, 27.
GENET, fertility of the, in captivity, 18. GENIUS, inheritance of, 12.
GEOFFROY SAINT-HILAIRE, production of monstrous chickens, 23; —“_Loi de l’affinite de soi pour soi,_” 26; —compensation of growth, 26.
GEOFFROY SAINT-HILAIRE, ISID., origin of the dog, 1; —period of gestation and odour of the jackal, 1; —anomalies in the teeth of dogs, 1; —variations in the proportions of dogs, 1; —webbed feet of Newfoundland dogs, 1; —crossing of domestic and wild cats, 1; —domestication of the arni, 3; —supposed introduction of cattle into Europe from the East, 3; —absence of interdigital pits in sheep, 3; —origin of the goat, 3; —feral geese, 6; —ancient history of the fowl, 7; —skull of the Polish fowl, 7; —preference of the Romans for the liver of white geese, 8; —polydactylism, 12; —assumption of male characters by female bird, 13; —transmission and blending of characters in hybrids, 15; —refusal of animals to breed in captivity, 18; —silkworms producing white cocoons, 20; —on the carp, 21; —injury to the embryo a cause of monstrosity, 22; —alteration in the coat of horses in coal-mines, 23; —length of the intestines in wild and tame animals, 24 (2); —inheritance of rudimentary limbs in the dog, 24; —correlation in monstrosities, 25; —supernumerary digits in man, 25; —co-existence of anomalies, 25; —presence of hairs and teeth in ovarian tumours, 27; —development of teeth on the palate in the horse, 27.
GEOGRAPHICAL differences of faunas, Introduction.
GEOLOGICAL succession of organisms, Introduction.
_Geranium,_ 13.
GERARD, asserted climatal change in Burgundian bees, 8.
GERARDE, on varieties of the hyacinth, 10.
GERSTÄCKER, on hive-bees, 8.
GERVAIS, Prof., origin of the dog, 1; —resemblance of dogs and jackals, 1; —taming of the jackal, 1; —number of teeth in dogs, 1; —breeds of dogs, 1; —on tertiary horses, 2; —Biblical notices of horses, 2; —wild and domestic rabbits, 4; —rabbits from Mount Sinai and Algeria, 4; —batrachia with doubled limbs, 27.
GESTATION, period of, in the dog, wolf, etc., 1; —in the pig, 3 (2); —in cattle, 3, 25; —in sheep, 3.
GESTURES, inheritance of peculiarities in, 12.
GHOR-KHUR, 13.
GILES, Mr., effect of cross-breeding in the pig, 11.
GIRAFFE, co-ordination of structure of, 20.
GIRARD, period of appearance of permanent teeth in dogs, 1.
GIRAUD-TEULON, cause of short sight, 12.
GIROU DE BUZAREINGUES, inheritance in the horse, 12; —reversion by age in cattle, 13; —prepotency of transmission of character in sheep and cattle, 14; —on crossing gourds, 16.
GISBURNE, wild cattle at, 3.
GLANDS, compensatory development of, 24.
GLASTONBURY thorn, 10.
GLENNY, Mr., on the _Cineraria,_ 20.
GLOEDE, F., on strawberries, 10.
GLOGER, on the wings of ducks, 24.
GMELIN, on red cats, at Tobolsk, 1.
GOAT, 3 (2); —polydactylism in the, 12; —sexual differences in horns of, 14; —valued by South Africans, 20; —Thibet, 23; —amount of milk and development of udders in the, 24; —hornless, rudimentary bony cores in, 24; —Angora, 25.
GODINE, on prepotency of transmission., 14 GODRON, odour of the hairless Turkish dog, 1; —differences in the skull of dogs, 1; —increase of breeds of horses, 2; —crossing of domestic and wild swine, 3; —on goats, 3 (2); —colour of the skin in fowls, 7; —bees of north and south of France, 8; —introduction of the silkworm into Europe, 8; —variability in the silkworm, 8; —supposed species of wheat, 9 (2); —variable presence of barbs in grasses, 9; —colours of the seeds of maize, 9; —unity of character in cabbages, 9; —correlation of colour and odour, 9; —effect of heat and moisture on the cabbage, 9; —on the cultivated species of _ Brassica,_ 9; —on the Rouncival and sugar peas, 9; —variation in the numbers of peas in the same pod, 9; —wild vines in Spain, 10; —on raising peaches from seed, 10; —supposed specific distinctness of peach and nectarine, 10; —nectarine producing peaches, 10; —on the flower of _Corydalis,_ 26; —origin and variations of the plum, 10; —origin of the cherry, 10; —supposed immutability of specific characters, 10 (2); —permanency of the simple-leaved ash, 10; —non-inheritance of certain mutilations, 12; —wild turnips, carrots, and celery, 13; —peloria, 13; —benefit of change of soil to plants, 18; —fertility of peloric flowers of _ Corydalis solida,_ 18; —seeding of ordinarily seedless fruit, 18; —sexual sterility of plants propagated by buds, etc., 18; —increase of sugar in beet-root, 20; —effects of selection in enlarging particular parts of plants, 20; —growth of the cabbage in the tropics, 23; —rejection of bitter almonds by mice, 21; —influence of marshy pasture on the fleece of sheep, 23; —on the ears of ancient Egyptian pigs, 24; —primitive distinctness of species, 28; GOETHE, on compensation of growth, 26.
GOMARA, on South American cats, 1.
GONGORA, number of seeds in the, 27.
GOODMAN, three-toed cows, 12.
GOOSE, ancient domestication of, 8; —sacred to Juno in Rome, 8; —inflexibility of organisation of, 8; —skull perforated in tufted, 8; —characters of breeds and sub-breeds of, 8 (2); —variety of, from Sebastopol, 8, 27; —feral, in La Plata, 6; —Egyptian, hybrid of, with penguin duck, 14; —spontaneous segregation of varieties of, 16; —fertility of, increased by domestication, 16; —decreased fertility of, in Bogota, 18; —sterility of, in the Philippine Islands, 18; —selection of, 20; —white, preference of the Romans for the liver of, 20; —persistency of character in, 22; —Egyptian, change in breeding season of, 24.
GÖPPERT, on monstrous poppies, 18.
GOSSE, P. H., feral dogs in Jamaica, 1; —feral pigs of Jamaica, 3; —feral rabbits of Jamaica, 4; —feral Guinea fowl in Jamaica, 6; —reproduction of individual peculiarities by gemmation in a coral, 11; —frequency of striped legs in mules, 13.
GOULD, Dr., on hereditary hæmorrhage, 12.
GOULD, JOHN, origin of the turkey, 8.
GOURDS, 10; —crossing of varieties of, 16; —ancient Peruvian variety of, 28.
GOUT, inheritance of, 12; —period of appearance of, 14.
GRABA, on the pigeon of the Faroe Islands, 6.
GRAFTING, 18; —upon the stock, 11; —upon the variability of trees, 22; —changes analogous to bud-variation produced by, 11 (2).
GRAPES, bud-variation in, 11; —cross of white and purple, 11; —green, liable to disease, 25; —effect of foreign pollen on, 11.
GRASSES, seeds of, used as food by savages, 9.
GRAY, ASA, superior wild varieties of fruit-trees, 9; —cultivated native plants of North America, 9, 10; —non-variation of weeds, 9; —supposed spontaneous crossing of Cucurbitaceæ, 11; —pre-ordination of variation, 11; —progeny of husked form of maize, 9; —wild intermediate forms of strawberries, 10.
—hybrids of the ass and zebra, 13 (2); —on the breeding of animals at Knowsley, 18; —on the breeding of birds in captivity, 18.
GREENE, J. REAY, on the development of the echinodermata, 27.
GREENHOW, Mr., on a Canadian web-footed dog, 1.
GREENING, Mr., experiments on _Abraxas grossulariata,_ 23.
GREGSON, Mr., experiments on _Abraxas grossulariata,_ 23.
GREY, Sir GEORGE, preservation of seed-bearing plants by the Australian savages, 9; —detestation of incest by Australian savages, 17.
GREYHOUNDS, sculptured on Egyptian monuments, and in the Villa of Antoninus, 1; —modern breed of, 1; —crossed with the bulldog, by Lord Orford, 3; —close interbreeding of, 17; —co-ordination of structure of, due to selection, 20 (2); —Italian, 21.
GREYNESS, inherited at corresponding periods of life, 14.
GRIEVE, Mr., on early-flowering dahlias, 10.
GRIGOR, Mr., acclimatisation of the Scotch fir, 24.
GRÖNLAND, hybrids of _Ægilops_ and wheat, 16.
GROOM-NAPIER, C. O., on the webbed feet of the otter-hound, 1.
GROS, on Pangenesis, 27.
GROUSE, fertility of, in captivity, 18.
GUANACOS, selection of, 20.
GUANS, general fertility of, in captivity, 18.
GUELDER-ROSE, 19.
GUELDERLAND fowls, 6.
GUIANA, selection of dogs by the Indians of, 20.
GUINEA fowl, 8; —feral, in Ascension and Jamaica, 6, 13; —indifference of, to change of climate, 18.
GUINEA pig, 12, 18.
GÜLDENSTADT, on the jackal, 1.
GULL, herring, breeding in confinement, 18.
GULLS, general sterility of, in captivity, 18.
_Gulo,_ sterility of, in captivity, 18.
GÜNTHER, A., on tufted ducks and geese, 7; —on the regeneration of lost parts in batrachia, 27.
GURNEY, Mr., owls breeding in captivity, 18; —appearance of “black-shouldered” among ordinary peacocks, 8.
HABIT, influence of, in acclimatisation, 24.
HÄCKEL, on fissiparous reproduction, 27; —on cells, 27; —on the double reproduction of medusæ, 27; HACKLES, peculiarities of, in fowls, 7.
HAIR, on the face, inheritance of, in man, 12; —peculiar lock of, inherited, 12; —growth of, under stimulation of skin, 25; —homologous variation of, 25; —development of, in the brain, 27.
HAIR and teeth, correlation of, 25.
HAIRY family, corresponding period of inheritance in, 14.
HALF-CASTES, character of, 13.
HALF-LOP rabbits, figured and described, 4, (2); —skull of, 4.
_Haliætus leucocephalus,_ copulating in captivity, 18.
HALLAM, Col., on a two-legged race of pigs, 12.
HALLET, Major, selection in cereals, 5; —on pedigree wheat, 9.
HAMILTON, wild cattle of, 3.
HAMILTON, Dr., on the assumption of male plumage by the hen pheasant, 13.
HAMILTON, F. BUCHANAN, on the shaddock, 10; —varieties of Indian cultivated plants, 22.
HANCOCK, Mr., sterility of tamed birds, 18 (2).
HANDWRITING, inheritance of peculiarities in, 12.
HANMER, Sir J., on selection of flower-seeds, 20.
HANSELL, Mr., inheritance of dark yolks in duck’s eggs, 8.
HARCOURT, E. V., on the Arab boar-hound, 1; —aversion of the Arabs to dun-coloured horses, 2.
HARDY, Mr., effect of excess of nourishment on plants, 22.
HARE, hybrids of, with rabbit, 4; —sterility of the, in confinement, 18; —preference of, for particular plants, 21.
HARE-LIP, inheritance of, 12.
HARLAN, Dr., on hereditary diseases, 12.
HARTMAN, on the wild ass, 2.
HARVEY, Mr., monstrous red and white African bull, 3.
HARVEY, Prof., singular form of _Begonia frigida,_ 10; —effects of cross-breeding on the female, 11; HASORA wheat, 9.
HAUTBOIS strawberry, 10.
HAWKER, Col., on call or decoy ducks, 8.
HAWTHORN, varieties of, 10 (2); —pyramidal, 10; —changes of, by age, 10, 11; —bud-variation in the, 11; —flower buds of, attacked by bullfinches, 21.
HAYES, Dr., character of Esquimaux dogs, 1.
HAYWOOD, W., on the feral rabbits of Porto Santo, 4.
HEAD of wild boar and Yorkshire pig, figured, 3.
HEAD and limbs, correlated variability of, 25.
HEADACHE, inheritance of, 14.
HEARTSEASE, 10; —change produced in the, by transplantation, 11; —effects of selection on, 20; —scorching of, 21; —effects of seasonal conditions on the, 23; —annual varieties of the, 24.
HEAT, effect of, upon the fleece of sheep, 3.
HEBER, Bishop, on the breeding of the rhinoceros in captivity, 18.
HEBRIDES, cattle of the, 3; —pigeons of the, 6.
HEER, O., on the plants of the Swiss lake-dwellings, 9; —on the cereals, 9; —on the peas, 9; —on the vine growing in Italy in the Bronze age, 10.
_Helix lactea,_ 23.
HEMLOCK, yields no conicine in Scotland, 23.
HEMP, differences of, in various parts of India, 18; —climatal difference in products of, 23.
HEMPSEED, effect of, upon the colour of birds, 23.
HERMAPHRODITE flowers, occurrence of, in maize, 9.
HEN, assumption of male characters by the, 13 (2); —development of spurs in the, 24.
“HENNIES,” or hen-like male fowls, 7.
HENRY, T. A., a variety of the ash produced by grafting, 11; HENSLOW, Prof., individual variation in wheat, 9; —bud-variation in the Austrian bramble rose, 11; —partial reproduction of the weeping ash by seed, 12.
HEPATICA, changed by transplantation, 11.
HERBERT, Dr., variations of _Viola grandiflora,_ 10; —bud-variation in camellias, 11; —crosses of Swedish and other turnips, 15; —on hollyhocks, 20; —breeding of hybrids, 17; —self-impotence in hybrid hippeastrums, 17 (2); —fertility of the crocus, 18; HERCULANEUM, figure of a pig found in, 3.
HERON, Sir R., appearance of “black-shouldered” among ordinary peacocks, 8 (2); —non-inheritance of monstrous characters by gold-fish, 8; —crossing of white and coloured Angora rabbits, 15; HEUSINGER, on the sheep of the Tarentino, 21; —on correlated constitutional peculiarities, 25.
HEWITT, Mr., reversion in bantam cocks, 7; —degeneration of silk fowls, 7; —partial sterility of hen-like male fowls, 7; —production of tailed chickens by rumpless fowls, 7; —on taming and rearing wild ducks, 8, 21, 22; —conditions of inheritance in laced Sebright bantams, 12; —reversion in rumpless fowls, 13; —reversion in fowls by age, 13; —hybrids of pheasant and fowl, 13, 14; —assumption of male characters by female pheasants, 13; —development of latent characters in a barren bantam hen, 13; —mongrels from the silk fowl, 14; —effects of close interbreeding on fowls, 17 (2); HIBBERT, Mr., on the pigs of the Shetland Islands, 3.
HIGHLAND cattle, descended from _Bos longifrons,_ 3.
HILDEBRAND, Dr., on graft-hybrids with the potato, 11; —on the influence of pollen on the mother-plant, 11; —occasional necessary crossing of plants, 15; —on seeds not fitted for distribution, 9; —crossing of varieties, 16; HILL, R., on the Alco, 1; —feral rabbits in Jamaica, 4; —feral peacocks in Jamaica, 6; —variation of the Guinea fowl in Jamaica, 8; —sterility of tamed birds in Jamaica, 18 (2).
HIMALAYA, range of gallinaceous birds in the, 7.
HIMALAYAN sheep, 3.
HINDMARSH, Mr., on Chillingham cattle, 3.
HINNY and mule, difference of, 14.
_Hipparion,_ anomalous resemblance to, in horses, 2.
HIVE-BEES, ancient domestication of, 8; —breeds of, 8; —smaller when produced in old combs, 8; —variability in, 8; —crossing of Ligurian and common, 8.
HOBBS, FISHER, on interbreeding pigs, 17.
“HOCKER-TAUBE,” 5.
HODGKIN, Dr., on the attraction of foxes by a female Dingo, 1; —origin of the Newfoundland dog, 1; —transmission of a peculiar lock of hair, 12.
HODGSON, Mr., domestication of _Canis primævus,_ 1; —development of a fifth digit in Thibet mastiffs, 1; —number of ribs in humped cattle, 3; —on the sheep of the Himalaya, 3; —presence of four mammæ in sheep, 3; —arched nose in sheep, 3; —measurements of the intestines of goats, 3; —presence of interdigital pits in goats, 3; —disuse a cause of drooping ears, 24.
HOFACKER, persistency of colour in horses, 2, 12; —production of dun horses from parents of different colours, 2; —inheritance of peculiarities in handwriting, 12; —heredity in a one horned stag, 12; —on consanguineous marriages, 17.
HOFFMAN, Prof., on _Raphanus,_ 9.
HOG, Red River, 18.
HOGG, Mr., retardation of breeding in cows by hard living, 16.
HOLLAND, Sir H., necessity of inheritance, 12; —on hereditary diseases, 12; —hereditary peculiarity in the eyelid, 12; —morbid uniformity in the same family, 12; —transmission of hydrocele through the female, 13; —inheritance of habits and tricks, 27.
HOLLY, varieties of the, 10 (2); HOLLYHOCK, bud-variation in, 11; —non-crossing of double varieties of, 16; —tender variety of the, 24.
HOMER, notice of geese, 8; —breeding of the horses of Æneas, 20.
HOMOLOGOUS parts, correlated variability of, 25, 26 (2); —fusion of, 26; HOOFS, correlated with hair in variation, 25.
HOOK-BILLED duck, skull figured, 8.
HOOKER, Dr. J. D., forked shoulder-stripe in Syrian asses, 2; —voice of the cock in Sikkim, 7; —use of Arum-roots as food, 9; —native useful plants of Australia, 9; —wild walnut of the Himalayas, 10; —reversion in plants run wild, 13; —on Arctic plants, 22; —on the oak grown at the Cape of Good Hope, 23; —stock and mignonette perennial in Tasmania, 24.
HOPKIRK, Mr., bud-variation in the rose, 11; HORNBEAM, heterophyllous, 10.
HORNED fowl, 7; —skull figured, 7.
HORNLESS cattle in Paraguay, 3.
HORNS of sheep, 3; —correlation of, with fleece in sheep, 25; —correlation of, with the skull, 25; —rudimentary in young polled cattle, 24; —of goats, 3.
HORSES, in Swiss lake-dwellings, 2; —different breeds of, in Malay Archipelago, 2; —anomalies in osteology and dentition of, 2; —mutual fertility of different breeds, 2; —feral, 2; —habit of scraping away snow, 2; —mode of production of breeds of, 2; —inheritance and diversity of colour in, 2; —dark stripes in, 2; —dun-coloured, origin of, 2; —effect of fecundation by a quagga on the subsequent progeny of, 11; —inheritance of peculiarities in, 12 (2); —inheritance of colour in, 12; —inheritance of exostoses in legs of, 12; —hybrids of, with ass and zebra, 13; —prepotency of transmission in the sexes of, 14; —segregation of, in Paraguay, 16; —wild species of, breeding in captivity, 18; —selection of, for trifling characters, 20; —natural selection in Circassia, 21; —alteration of coat of, in coal-mines, 23; —degeneration of, in the Falkland Islands, 23; —diseases of, caused by shoeing, 24; —feeding on meat, 24; —white and white-spotted, poisoned by mildewed vetches, 25; —analogous variations in the colour of, 26; —teeth developed on palate of, 27; —of Bronze period in Denmark, 28.
HORSE-CHESTNUT, early, at the Tuileries, 10; —tendency to doubleness in, 18.
HORSE-RADISH, general sterility of the, 18.
HOWARD, C., on an Egyptian monument, 1; HUC, on the Emperor Khang-hi, 20; —Chinese varieties of the bamboo, 22.
HUMBOLDT, A., character of the Zambos, 13; —parrot speaking in the language of an extinct tribe, 18; HUMIDITY, injurious effect of, upon horses, 2.
HUMPHREYS, Col., on Ancon sheep, 3.
HUNGARIAN cattle, 3.
HUNTER, JOHN, period of gestation in the dog, 1; —on secondary sexual characters, 3; —fertile crossing of _Anser ferus_ and the domestic goose, 8; —inheritance of peculiarities in gestures, voice, etc., 12; —assumption of male characters by the human female, 13; —period of appearance of hereditary diseases, 14; —graft of the spur of a cock upon its comb, 24; HUNTER, W., evidence against the influence of imagination upon the offspring, 22.
HUTH, Mr., close interbreeding of rabbits, 17; HUTTON, Capt., on the variability of the silk-moth, 8; —on the number of species of silkworms, 8; —markings of silkworms, 8; —domestication of the rock-pigeon in India, 6; —domestication and crossing of _ Gallus bankiva,_ 7; —reversion in goats from a cross, 13.
HUTCHINSON, Col., liability of dogs to distemper, 1.
HUXLEY, Prof., on the transmission of polydactylism, 12; —on unconscious selection, 20; —on correlation in the mollusca, 25; —on gemmation and fission, 27; HYACINTHS, 10; —graft-hybrid by union of half bulbs of, 11; —white, reproduced by seed, 12; —red, 21; —varieties of, recognisable by the bulb, 22.
HYACINTH, feather, 19, 24.
HYBRIDS, of hare and rabbit, 6; —of various species of _Gallus,_ 7; —of almond, peach, and nectarine, 10; —naturally produced, of species of _Cytisus,_ 11; —from mare, ass, and zebra, 13; —of tame animals, wildness of, 13 (2); —female instincts of sterile male, 13; —transmission and blending of characters in, 15; —breed better with parent species than with each other, 17; —readily produced in captivity, 18.
HYBRIDISATION, singular effects of, in oranges, 10; —of cherries, 10; —of roses, 10.
HYBRIDISM, 19; —the cause of a tendency to double flowers, 18; —in relation to Pangenesis, 27.
HYBRIDITY in cats, 1 (2); —supposed, of peach and nectarine, 10.
HYDRANGEA, colour of flowers of, influenced by alum, 23.
HYDROCELE, 13.
HYDROCEPHALUS, 24.
HYPERMETAMORPHOSIS, 27.
HYPERMETROPIA, hereditary, 12.
ICHTHYOPTERYGIA, number of digits in the, 13.
IMAGINATION, supposed effect of, on offspring, 22.
INCEST, abhorred by savages, 17.
INCUBATION, by crossed fowls of non-sitting varieties, 13.
INDIA, striped horses of, 2; —pigs of, 3 (2); —breeding of rabbits in, 4; —cultivation of pigeons in, 6.
INDIVIDUAL variability in pigeons, 5.
INGLEDEW, Mr., cultivation of European vegetables in India, 18.
—doubts entertained of, by some writers, 12; —importance of, to breeders, 11, 12; —evidence of, derived from statistics of chances, 12; —of peculiarities in man, 12, (2); —of peculiarities in the eye, 12; —of deviations from symmetry, 12; —of congenital monstrosities, 12; —causes of absence of, 12; —by reversion or atavism, 13; —its connection with fixedness of character, 14; —affected by prepotency of transmission of character, 14; —limited by sex, 14; —at corresponding periods of life, 14; —summary of the subject of, 14; —laws of, the same in seminal and bud varieties, 11; —of characters in the horse, 2; —in cattle, 3; —in rabbits, 4; —in the peach, 10; —in the nectarine, 10; —in plums, 10; —in apples, 10; —in pears, 10; —in the pansy, 10; —of primary characters of _Columba livia_ in crossed pigeons, 5; —of peculiarities of plumage in pigeons, 5; —of peculiarities of foliage in trees, 10; —effects of, in varieties of the cabbage, 9.
INSANITY, inheritance of, 12, 14.
INSECTS, regeneration of lost parts in, 10, 24; —agency of, in fecundation of larkspurs, 12; —effect of changed conditions upon, 18; INSTINCTS, defective, of silkworms, 8.
INTERBREEDING, close, ill effects of, 17, 19.
INTERCROSSING, of species, as a cause of variation, 6; —natural, of plants, 10; —of species of Canidæ and breeds of dogs, 1; —of domestic and wild cats, 1 (2); —of breeds of pigs, 3 (2); —of cattle, 3; —of varieties of cabbage, 9; —of peas, 9 (3); —of varieties of orange, 10; —of species of strawberries, 10 (2); —of flowering plants, 10; —of pansies, 10.
INTERDIGITAL pits, in goats, 3.
INTERMARRIAGES, close, 17 (2).
INTESTINES, elongation of, in pigs, 3; —relative measurement of parts of, in goats, 3; —effects of changed diet on, 24.
IRELAND, remains of _Bos frontosus_ and _longifrons_ found in, 3.
IRIS, hereditary absence of the, 12; —hereditary peculiarities of colour of the, 12; —variation of, 11.
_Iris xiphium,_ 11.
IRISH, ancient, selection practised by the, 20.
IRON period, in Europe, dog of, 1.
ISLANDS, oceanic, scarcity of useful plants on, 9.
ISLAY, pigeons of, 6.
ISOLATION, effect of, in favour of selection, 21 (2).
ITALY, vine-growing in, during the Bronze period, 10.
IVY, sterility of, in the north of Europe, 18.
JACK, Mr., effect of foreign pollen on grapes, 11.
JACKAL, 1 (3); —hybrids of, with the dog, 1; —prepotency of, over the dog, 1.
JACKSON, Mr., white-footed cats, 25.
JACOBIN pigeon, 5, 6.
JACQUEMET-BONNEFORT, on the mulberry, 10.
JAEGER, Prof., on reversion in pigs, from a cross, 13; —white pigeons killed by hawks, 21.
JAGUAR, with crooked legs, 1.
JAMAICA, feral dogs of, 1; —feral pigs of, 3; —feral rabbits of, 4.
JAMESON, Mr., on hybrid potatoes, 11.
JAPAN, horses of, 2.
JAPANESE pig (figured), 3.
JARDINE, Sir W., crossing of domestic and wild cats, 1.
JARVES, J., silkworm in the Sandwich Islands, 8.
JAVA, fantail pigeon in, 5.
JAVANESE ponies, 2 (2).
JEITTELES, history of the dog, 1; —history of the fowl, 7; —crossing of domestic and wild cats, 1.
JEMMY BUTTON, 9.
JENYNS, L., whiteness of ganders, 8; —sunfish-like variety of the goldfish, 8.
JERDON, J. C., number of eggs laid by the pea-hen, 20; —origin of domestic fowl, 7.
JERSEY, arborescent cabbages of, 9.
JESSAMINE, 11.
JESSE, G. R., on the bulldog, 1.
JOHN, King, importation of stallions from Flanders by, 20.
JOHNSON, D., occurrence of stripes on young wild pigs in India, 3.
JORDAN, A., on Vibert’s experiments on the vine, 10; —origin of varieties of the apple, 10; —varieties of pears found wild in woods, 22.
JOURDAN, parthenogenesis in the silk-moth, 27.
JUAN DE NOVA, wild dogs on, 1.
JUAN FERNANDEZ, dumb dogs on, 1.
JUKES, Prof., origin of the Newfoundland dog, 1.
JULIEN, Stanislas, early domestication of pigs in China, 3;