GEESE (_anseres_), general fertility of, in captivity, 18.
GEMMATION and fission, 27.
GEMMULES, or cell-gemmules, 27 (3).
GENERATION, alternate, 27 (3).
GENERATION, sexual, 27.
GENET, fertility of the, in captivity, 18. GENIUS, inheritance of, 12.
_Gentiana amarella,_ 18.
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;
—barking of a jackal, 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;
—on the Guinea-pig, 18;
—silkworms producing white cocoons, 20;
—on the carp, 21;
—on _Helix lactea,_ 23;
—on monstrosities, 22;
—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.
_Geranium phæum_ and _pyrenaicum,_ 22.
_Geranium pratense,_ 11.
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;
—species of _Ovis,_ 3;
—wild and domestic rabbits, 4;
—rabbits from Mount Sinai and Algeria, 4;
—earless rabbits, 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.
“GHOONDOOKS” a sub-breed of fowls, 7.
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.
_Gladiolus,_ 10;
—self-impotence of hybrids of, 17.
_Gladiolus colvillii,_ bud-variation in, 11.
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.
“GLOUGLOU” (pigeon), 5.
_Gloxiniæ,_ peloric, 10, 18.
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);
—on _Ægilops triticoides,_, 9;
—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;
—reversion of single-leaved strawberries, 10;
—five-leaved variety of _Fragaria collina,_ 10;
—supposed immutability of specific characters, 10 (2);
—varieties of _Robinia,_ 10;
—permanency of the simple-leaved ash, 10;
—non-inheritance of certain mutilations, 12;
—wild turnips, carrots, and celery, 13;
—peloria, 13;
—prepotency of a goat-like ram, 14;
—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;
—solid-hoofed swine, 28.
GOETHE, on compensation of growth, 26.
GOLD-FISH, 8 (2), 21.
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.
GOOSEBERRY, 10;
—bud-variation in the, 11;
—Whitesmith’s, 21.
GÖPPERT, on monstrous poppies, 18.
GOSSE, P. H., feral dogs in Jamaica, 1;
—feral pigs of Jamaica, 3;
—feral rabbits of Jamaica, 4;
—on _Columba leucocephala,_ 6;
—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.
_Goura coronata_ and _Victoriæ,_ hybrids of, 6, 18.
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;
—effects of, 22 (2);
—upon the stock, 11;
—upon the variability of trees, 22;
—changes analogous to bud-variation produced by, 11 (2).
GRAFT-HYBRIDS, 11 (2), 27.
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.
GRAY, G. R., on _Columba gymnocyclus,_, 6.
GRAY, J. E., on _Sus pliciceps,_ 3;
—on a variety of the gold-fish, 8;
—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.
“GROSSES-GORGES” (pigeons), 5.
GROUND-TUMBLER, Indian, 5.
GROUSE, fertility of, in captivity, 18.
_Grus montigresia, cinerea,_ and _antigone,_ 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;
—on inheritance, 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.
HAMBURGH fowl, 7 (2);
—figured, 7.
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;
—monstrous saxifrage, 18.
HASORA wheat, 9.
HAUTBOIS strawberry, 10.
HAWKER, Col., on call or decoy ducks, 8.
HAWTHORN, varieties of, 10 (2);
—pyramidal, 10;
—pendulous hybridised, 12;
—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.
HAZEL, purple-leaved, 10, 11, 25.
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;
—reversion in, 13 (2);
—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.
HEIMANN, potato-grafting, 11.
_Helix lactea,_ 23.
_Hemerocallis fulva_ and _flava,_ interchanging by bud-variation, 11.
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;
—crossing of species of _ Rhododendron_ and _Arabis,_ 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;
—seedlings from reverted _Cytisus adami,_, 11;
—crosses of Swedish and other turnips, 15;
—on hollyhocks, 20;
—breeding of hybrids, 17;
—self-impotence in hybrid hippeastrums, 17 (2);
—hybrid _Gladiolus,_ 17;
—on _Zephyranthes candida,_ 18;
—fertility of the crocus, 18;
—on contabescence, 18;
—hybrid _Rhododendron,_ 22.
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;
—crosses of solid-hoofed pigs, 15.
_Herpestes fasciatus_ and _griseus,_ 18.
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);
—on feather-legged bantams, 25.
HIBBERT, Mr., on the pigs of the Shetland Islands, 3.
HIBISCUS, _See Paritium._
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;
—on the fertilisation of _ Orchideæ,_ 11 (2);
—occasional necessary crossing of plants, 15;
—on seeds not fitted for distribution, 9;
—potato-grafting, 11;
—crossing of varieties, 16;
—on _Primula sinensis_ and _ Oxalis rosea,_ 17;
—on _Corydalis cava,_ 17 (2).
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 rabbit, 4 (2);
—skull of, 4.
HIMALAYAN sheep, 3.
HINDMARSH, Mr., on Chillingham cattle, 3.
“HINKEL-TAUBE,” 5 (2).
HINNY and mule, difference of, 14.
_Hipparion,_ anomalous resemblance to, in horses, 2.
_Hippeastrum,_ hybrids of, 17 (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);
—bud-reversion in, 11;
—yellow-berried, 12, 21.
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;
—affinity of, 26 (2).
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;
—variety of the plane-tree, 10;
—production of _Thuja orientalis_ from seeds of _T. pendula,_ 10;
—singular form of _Begonia frigida,_ 10;
—reversion in plants run wild, 13;
—on the sugar-cane, 18;
—on Arctic plants, 22;
—on the oak grown at the Cape of Good Hope, 23;
—on _Rhododendron ciliatum,_ 23;
—stock and mignonette perennial in Tasmania, 24.
HOPKIRK, Mr., bud-variation in the rose, 11;
—in _Mirabilis jalapa,_ 11;
—in _Convolvulus tricolor,_ 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;
—colours of feral, 3 (2);
—effect of fecundation by a quagga on the subsequent progeny of,
11;
—inheritance of peculiarities in, 12 (2);
—polydactylism in, 12;
—inheritance of colour in, 12;
—inheritance of exostoses in legs of, 12;
—reversion in, 13 (2);
—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;
—curly, in Paraguay, 20, 25;
—selection of, for trifling characters, 20;
—unconscious selection of, 20 (2);
—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.
“HOUDAN,” a French sub-breed of fowls, 7.
HOWARD, C., on an Egyptian monument, 1;
—on crossing sheep, 3 (2).
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;
—on _Pulex penetrans,_ 23.
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;
—on the stomach of _Larus tridentatus,_ 24.
HUNTER, W., evidence against the influence of imagination upon the
offspring, 22.
HUTH, Mr., close interbreeding of rabbits, 17;
—consanguineous marriages, 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;
—development of star-fishes, 27.
HYACINTHS, 10;
—bud-variation in, 11;
—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.
_Hyacinthus orientalis,_ 10.
_Hybiscus syriacus,_ 23.
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 twin-seed of _Fuchsia coccinea_ and _fulgens,_ 11;
—reversion of, 11 (2), 13 (2);
—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;
—self-impotence in, 17;
—readily produced in captivity, 18.
HYBRIDISATION, singular effects of, in oranges, 10;
—of cherries, 10;
—difficulty of, in _ Cucurbitæ,_ 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.
_Hydra,_ 11, 24, 27.
HYDRANGEA, colour of flowers of, influenced by alum, 23.
HYDROCELE, 13.
HYDROCEPHALUS, 24.
_Hypericum calycinum,_ 18.
_Hypericum crispum,_ 21, 25.
HYPERMETAMORPHOSIS, 27.
HYPERMETROPIA, hereditary, 12.
ICHTHYOPTERYGIA, number of digits in the, 13.
_Ilex aquifolium,_ 12.
IMAGINATION, supposed effect of, on offspring, 22.
_Imatophyllum miniatum,_ bud-variation in, 11.
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.
“INDISCHE Taube,” 5.
INHERITANCE, 12, 27, (2);
—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 disease, 12 (3);
—of peculiarities in the eye, 12;
—of deviations from symmetry, 12;
—of polydactylism, 12;
—capriciousness of, 12;
—of mutilations, 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;
—sterile neuter, 19;
—monstrosities in, 22, 27.
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 _Cucurbitæ,_ 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.
_Ipomœa purpurea,_ 17.
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;
—Hungarian sheep-dogs, 1;
—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.
_Juglans regia,_ 10.
JUKES, Prof., origin of the Newfoundland dog, 1.
JULIEN, Stanislas, early domestication of pigs in China, 3;
—antiquity of the domestication of the silkworm in China, 8.
JUMPERS, a breed of fowls, 7.
JUNIPER, variations of the, 10 (2).
_Juniperus suecica,_ 10.
_Jussiæa grandiflora,_ 18.
JUSSIEU, A. de, structure of the pappus in _Carthamus,_ 24.
KAIL, Scotch, reversion in, 13.
KALES, 9.
“KALI-PAR” pigeon, 5.
KALM, P., on maize, 9, 24;
—introduction of wheat into Canada, 9;
—sterility of trees growing in marshes and dense woods, 18.
“KALMI LOTAN” tumbler pigeon, 5.
KANE, Dr., on Esquimaux dogs, 1.
KARAKOOL sheep, 3.
KARKEEK, on inheritance in the horse, 12.
“KARMELITEN Taube,” 5.
KARSTEN on _Pulex penetrans,_ 23.
KATTYWAR horses, 2.
KEELEY, R., pelorism in _Galeobdolon luteum,_ 13.
KERNER, on the culture of Alpine plants, 18;
—definite action of conditions, 23.
KESTREL, breeding in captivity, 18.
“KHANDÉSI,” 5.
KHANG-HI, selection of a variety of rice by, 20.
KIANG, 13.
KIDD, on the canary-bird, 8, 14.
KIDNEY bean, 10;
—varieties of, 22, 23.
KIDNEYS, compensatory development of the, 24;
—shape of, in birds influenced by the form of the pelvis, 26.
KING, Col., domestication of rock doves from the Orkneys, 6 (2).
KING, Dr., on _Paritium,_ 11.
KING, P. P., on the dingo, 1 (2).
KIRBY and Spence, on the growth of galls, 23.
KIRGHISIAN sheep, 3.
KITE, breeding in captivity, 18.
KLEINE, variability of bees, 8.
KNIGHT, ANDREW, on crossing horses of different breeds, 2;
—crossing varieties of peas, 9, 17;
—persistency of varieties of peas, 9;
—origin of the peach, 10;
—hybridisation of the morello by the Elton cherry, 10;
—on seedling cherries, 10;
—variety of the apple not attacked by coccus, 10;
—intercrossing of strawberries, 10 (2);
—broad variety of the cock’s-comb, 10;
—bud variation in the cherry and plum, 11;
—crossing of white and purple grapes, 11;
—experiments in crossing apples, 11, 17;
—hereditary disease in plants, 12;
—on interbreeding, 17;
—crossed varieties of wheat, 17;
—necessity of intercrossing in plants, 19;
—on variation, 22 (2);
—effects of grafting, 11, 23;
—bud-variation in a plum, 23;
—correlated variation of head and limbs, 8.
KNOX, Mr., breeding of the eagle owl in captivity, 18.
KOCH, degeneracy in the turnip, 9.
KOHLRABI, 9.
KÖLREUTER, reversion in hybrids, 11, 13;
—acquired sterility of crossed varieties of plants, 10, 16;
—absorption of _Mirabilis vulgaris_ by _M. longiflora,_ 15;
—crosses of species of _ Verbascum,_ 15, 16;
—on the hollyhock, 16;
—crossing varieties of tobacco, 16;
—benefits of crossing plants, 17 (2), 19 (2);
—sell-impotence in _Verbascum,_ 17 (2);
—effects of conditions of growth upon fertility in _Mirabilis,_ 18;
—great development of tubers in hybrid plants, 18;
—inheritance of plasticity, 21;
—variability of hybrids of _ Mirabilis,_ 22;
—repeated crossing a cause of variation, 22;
—number of pollen-grains necessary for fertilisation, 27.
“KRAUSESCHWEIN,” 3.
KROHN, on the double reproduction of Medusæ, 27.
“KROPF-TAUBEN,” 5.
LABAT, on the tusks of feral boars in the West Indies, 5;
—on French wheat grown in the West Indies, 24;
—on the culture of the vine in the West Indies, 24.
LABURNUM, Adam’s, _see Cytisus adami,_;
—oak-leaved, reversion of, 11;
—pelorism in the, 26;
—Waterer’s, 11.
LACHMANN, on gemmation and fission, 27.
_Lachnanthes tinctoria,_ 21, 25.
LACTATION, imperfect, hereditary, 12;
—deficient, of wild animals in captivity, 18.
LADRONE Islands, cattle of, 3.
LA GASCA, Prof., individual variation in wheat, 9.
LAING, Mr., resemblance of Norwegian and Devonshire cattle, 3.
LAKE-DWELLINGS, sheep of, 3;
—cattle of, 3;
—absence of the fowl in, 7;
—cultivated plants of, 9, 28 (2);
—cereals of, 9;
—peas found in, 9;
—beans found in, 9.
LAMARE-PIQUOT, observations on half-bred North American wolves, 1.
LAMBERT, A. B., on _Thuja pendula_ or _filiformis,_ 10.
LAMBERT family, 12, 14.
LAMBERTYE, on strawberries, 10 (2);
—five-leaved variety of _Fragaria collina,_ 10.
LANDT, L., on sheep in the Faroe Islands, 16.
LANKESTER, RAY, on longevity, 27.
LA PLATA, wild dogs of, 1;
—feral cat from, 1.
LARCH, 24.
LARKSPURS, insect agency necessary for the full fecundation of, 12.
_Larus argentatus,_ 18, 24.
_Larus tridactylus,_ 24.
LASTERYE, merino sheep in different countries, 3.
LATENT characters, 13.
LATHAM, on the fowl not breeding in the extreme north, 18.
_Lathyrus,_ 13.
_Lathyrus aphaca,_ 26.
_Lathyrus odoratus,_ 11 (2), 15 (2), 24.
LA TOUCHE, J. D., on a Canadian apple with dimidiate fruit, 11 (2).
“LATZ-TAUBE,” 5.
LAUGHER pigeon, 5, 6.
_Laurus sassafras,_ 23.
LAWRENCE, J., production of a new breed of foxhounds, 1;
—occurrence of canines in mares, 2;
—on three-parts-bred horses, 2;
—on inheritance in the horse, 12 (2).
LAWSON, Mr., varieties of the potato, 9.
LAXTON, Mr., bud-variation in the gooseberry, 11;
—crossing of varieties of the pea, 11 (2);
—weakness of transmission in peas, 14;
—double-flowered peas, 18.
LAYARD, E. L., resemblance of a Caffre dog to the Esquimaux breed, 1,
23;
—crossing of the domestic cat with _Felis caffra,_ 1;
—feral pigeons in Ascension, 6;
—domestic pigeons of Ceylon, 6;
—on _Gallus stanleyi,_ 7;
—on black-skinned Ceylonese fowls, 7.
LE COMPTE family, blindness inherited in, 14.
LECOQ, bud-variation in _Mirabilis jalapa,_ 11;
—hybrids of _Mirabilis,_ 11, 18, 22;
—crossing in plants, 17;
—fecundation of _Passiflora,_ 17;
—hybrid _Gladiolus,_ 17;
—sterility of _Ranunculus ficaria,_ 18;
—villosity in plants, 23;
—double asters, 24.
LE COUTEUR, J., varieties of wheat, 9;
—acclimatisation of exotic wheat in Europe, 9;
—adaptation of wheat to soil and climate, 9;
—selection of seed-corn, 9;
—evil from inter-breeding, 17;
—on change of soil, 18;
—selection of wheat, 20;
—natural selection in wheat, 21;
—cattle of Jersey, 21.
LEDGER, Mr., on the llama and alpaca, 20.
LEE, Mr., his early culture of the pansy, 10.
_Leersia oryzoides,_ 15.
LEFOUR, period of gestation in cattle, 3.
LEGRAIN, falsified experiments of, 17.
LEGS, of fowls, effects of disuse on, 7;
—characters and variations of, in ducks, 24.
LEGUAT, cattle of the Cape of Good Hope, 3.
LEHMANN, occurrence of wild double-flowered plants near a hot spring,
18.
LEIGHTON, W. A., propagation of a weeping yew by seed, 12.
LEITNER, effects of removal of anthers, 18.
LEMMING, 18.
LEMOINE, variegated _Symphytum_ and _Phlox,_ 11.
LEMON, 10;
—orange fecundated by pollen of the, 11.
LEMURS, hybrid, 4.
LEPORIDES, 18.
LEPSIUS, figures of ancient Egyptian dogs, 1;
—domestication of pigeons in ancient Egypt, 6.
_Lepus glacialis,_ 4.
_Lepus magellanicus,_ 4.
_Lepus nigripes,_ 4.
_Lepus tibetanus,_ 4.
_Lepus variabilis,_ 4.
LEREBOULLET, double monsters of fishes, 26.
LESLIE, on Scotch wild cattle, 3.
LESSONA, on regrowth, 27;
—on _Lepus magellanicus,_ 4.
LETHBRIDGE, previous impregnation, 11.
LEUCKART, on the larva of Cecidomyidæ, 27.
LEWES, G. H., on Pangenesis, 27.
LEWIS, G., cattle of the West Indies, 21.
LHERBETTE and Quatrefages, on the horses of Circassia, 16, 21.
LICHENS, sterility in, 18.
LICHTENSTEIN, resemblance of Bosjesman’s dogs to _Canis mesomelas,_ 1;
—Newfoundland dog at the Cape of Good Hope, 1.
LIEBIG, differences in human blood, according to complexion, 23.
LIEBREICH, occurrence of pigmentary retinitis in deaf-mutes, 25.
LILACS, 18.
LILIACEÆ, contabescence in, 18.
_Lilium bulbiferum_ and _davuricum,_ 11.
_Lilium candidum,_ 17.
LIMBS, regeneration of, 27.
LIMBS and head, correlated variation of, 25.
LIME, effect of, upon shells of the mollusca, 23.
LIME-TREE, changes of, by age, 10, 11.
LIMITATION, sexual, 14.
LIMITATION, supposed, of variation, 28.
_Linaria,_ pelorism in, 13 (2), 14;
—peloric, crossed with the normal form, 14;
—sterility of, 18.
_Linaria vulgaris_ and _purpurea,_ hybrids of, 15.
LINDEMUTH, potato-grafting, 11.
LINDLEY, JOHN, classification of varieties of cabbages, 9;
—origin of the peach, 10;
—influence of soil on peaches and nectarines, 10;
—varieties of the peach and nectarine, 10;
—on the New Town pippin, 10;
—freedom of the Winter Majetin apple from coccus, 10;
—production of monœcious Hautbois strawberries by bud-selection,
10;
—origin of the large tawny nectarine, 11;
—bud-variation in the gooseberry, 11;
—hereditary disease in plants, 12;
—on double flowers, 18;
—seeding of ordinarily seedless fruits, 18;
—sterility of _Acorus calamus,_ 18;
—resistance of individual plants to cold, 24.
LINNÆUS, summer and winter wheat regarded as distinct species by, 9;
—on the single-leaved strawberry, 10;
—sterility of Alpine plants in gardens, 18;
—recognition of individual reindeer by the Laplanders, 22;
—growth of tobacco in Sweden, 24.
LINNET, 18.
_Linota cannabina,_ 18.
_Linum,_ 18.
LION, fertility of, in captivity, 18 (2).
LIPARI, feral rabbits of, 4.
LIVINGSTONE, Dr., striped young pigs on the Zambesi, 3;
—domestic rabbits at Loanda, 4;
—use of grass-seeds as food in Africa, 9;
—planting of fruit-trees by the Batokas, 9;
—character of half-castes, 13;
—taming of animals among the Barotse, 18;
—selection practised in South Africa, 20 (2).
LIVINGSTONE, Mr., disuse a cause of drooping ears, 24.
LIZARDS, reproduction of tail in, 24.
LLAMA, selection of, 20.
LLOYD, Mr., taming of the wolf, 1;
—English dogs in northern Europe, 1;
—fertility of the goose increased by domestication, 8;
—number of eggs laid by the wild goose, 16;
—breeding of the capercailzie in captivity, 18.
LOANDA, domestic rabbits at, 4.
_Loasa,_ hybrid of two species of, 15.
_Lobelia,_ reversion in hybrids of, 11;
—contabescence in, 18.
_Lobelia fulgens, cardinalis,_ and _syphilitica,_ 17.
LOCKHART, Dr., on Chinese pigeons, 6.
LOCUST-TREE, 23.
LOISELEUR-DESLONGCHAMPS, originals of cultivated plants, 9;
—Mongolian varieties of wheat, 9;
—characters of the ear in wheat, 9;
—acclimatisation of exotic wheat in Europe, 9;
—effect of change of climate on wheat, 9;
—on the supposed necessity of the coincident variation of weeds and
cultivated plants, 9;
—advantage of change of soil to plants, 18.
_Lolium temulentum,_ variable presence of barbs in, 9.
LONG-TAILED sheep, 3.
LOOCHOO Islands, horses of, 2.
LORD, J. K., on _Canis latrans,_ 1.
“LORI RAJAH,” how produced, 7.
_Lorius garrulus,_ 23.
“LOTAN” tumbler pigeon, 5.
LOUDON, J. W., varieties of the carrot, 9;
—short duration of varieties of peas, 9;
—on the glands of peach-leaves, 10;
—presence of bloom on Russian apples, 10;
—origin of varieties of the apple, 10;
—varieties of the gooseberry, 10;
—on the nut tree, 10;
—varieties of the ash, 10;
—fastigiate juniper (_J. suecica_), 10;
—on _Ilex aquifolium ferox,_ 10;
—varieties of the Scotch fir, 10 (2);
—varieties of the hawthorn, 10;
—variation in the persistency of leaves on the elm and Turkish oak,
10;
—importance of cultivated varieties, 10;
—varieties of _Rosa spinosissima,_ 10;
—variation of dahlias from the same seed, 10;
—production of Provence roses from seeds of the moss-rose, 11;
—effect of grafting the purple-leaved upon the common hazel, 11;
—intercrossing melons, 17;
—nearly evergreen Cornish variety of the elm, 24.
LOW, on the pigs of the Orkney Islands, 3.
LOW, Prof., pedigrees of greyhounds, 12;
—origin of the dog, 1;
—burrowing instinct of a half-bred dingo, 1;
—inheritance of qualities in horses, 2;
—comparative powers of English racehorses, Arabs, etc., 2;
—British breeds of cattle, 3;
—wild cattle of Chartley, 3;
—effect of abundance of food on the size of cattle, 3;
—effects of climate on the skin of cattle, 3, 25;
—on interbreeding, 17;
—selection in Hereford cattle, 20;
—formation of new breeds, 21;
—on “sheeted” cattle, 26.
LOWE, Mr., on hive bees, 8.
LOWE, Rev. Mr., on the range of _Pyrus malus_ and _P. acerba,_ 10.
LOWNE, Mr., monsters, 26;
—on gemmules, 27.
“LOWTUN” tumbler pigeon, 5.
_Loxia pyrrhula,_ 5.
LUBBOCK, Sir J., developments of the Ephemeridæ, 27.
LUCAS, P., effects of cross-breeding on the female, 11;
—hereditary diseases, 12, 14 (2);
—hereditary affections of the eye, 12 (2);
—inheritance of anomalies in the human eye and in that of the
horse, 12;
—inheritance of polydactylism, 12;
—morbid uniformity in the same family, 12;
—inheritance of mutilations, 12;
—persistency of cross-reversion, 13;
—persistency of character in breeds of animals in wild countries,
14;
—prepotency of transmission, 14 (2);
—supposed rules of transmission in crossing animals, 14;
—sexual limitations of transmission of peculiarities, 14 (2);
—absorption of the minority in crossed races, 15;
—crosses without blending of certain characters, 15;
—on interbreeding, 17;
—variability dependent on reproduction, 22;
—period of action of variability, 22;
—inheritance of deafness in cats, 25;
—complexion and constitution, 25.
LUCAZE-DUTHIERS, structure and growth of galls, 23.
LUCAE, Prof., on the masked pig, 3;
—on pigs, 24.
LUIZET, grafting of a peach-almond on a peach, 10.
LUTKE, cats of the Caroline Archipelago, 1.
LUXURIANCE, of vegetative organs, a cause of sterility in plants, 18
(2).
LYONNET, on the scission of _Nais,_ 27.
_Lysimachia nummularia,_ sterility of, 18.
_Lythrum,_ trimorphic species of, 27.
_Lythrum salicaria,_ 19;
—contabescence in, 18.
_Lytta vesicatoria,_ affecting the kidneys, 27.
_Macacus,_ species of, bred in captivity, 18.
MACAULAY, Lord, improvement of the English horse, 20.
M’CLELLAND, Dr., variability of fresh-water fishes in India, 22.
M’COY, Prof., on the dingo, 1.
MACFAYDEN, influence of soil in producing sweet or bitter oranges from
the same seed, 10.
MACGILLIVRAY, domestication of the rock-dove, 6;
—feral pigeons in Scotland, 6;
—number of vertebræ in birds, 7;
—on wild geese, 8;
—number of eggs of wild and tame ducks, 16.
MACKENZIE, Sir G., peculiar variety of the potato, 9.
MACKENZIE, P., bud-variation in the currant, 11.
MACKINNON, Mr., horses of the Falkland Islands, 2;
—feral cattle of the Falkland Islands, 3.
MACKNIGHT, C., on interbreeding cattle, 17.
MACNAB, Mr., on seedling weeping birches, 12;
—non-production of the weeping beech by seed, 12.
MADAGASCAR, cats of, 1.
MADDEN, H., on interbreeding cattle, 17.
MADEIRA, rock pigeon of, 6.
_Magnolia grandiflora,_ 24.
MAGNUS, Herr, on potato-grafting, 11;
—on graft-hybrids, 11 (2).
MAIZE, its unity of origin, 9;
—antiquity of, 9;
—with husked grains said to grow wild, 9;
—variation of, 7;
—irregularities in the flowers of, 9;
—persistence of varieties, 9;
—adaptation of, to climate, 9, 24;
—acclimatisation of, 24, 26;
—crossing of, 11, 16 (2);
—extinct Peruvian varieties of, 28.
MALAY fowl, 7.
MALAY Archipelago, horses of, 2;
—short-tailed cats of, 1;
—striped young wild pigs of, 3;
—ducks of, 8.
MALE, influence of, on the fecundated female, 11;
—supposed influence of, on offspring, 14.
MALE flowers, appearance of, among female flowers in maize, 9.
MALFORMATIONS, hereditary, 14.
MALINGIÉ-NOUEL, on sheep, 3;
—cross-breeding sheep, 14;
—English sheep in France, 21.
MALM, eyes of flat fish, 13.
_Malva,_ fertilisation of, 11, 27.
_Mamestra suasa,_ 18.
MAMMÆ, variable in number in the pig, 3;
—rudimentary, occasional full development of, in cows, 3, 24;
—four present in some sheep, 3;
—variable in number in rabbits, 4;
—latent functions of, in male animals, 13, 24.
MANGLES, Mr., annual varieties of the heartsease, 24.
MANTEGAZZA, abnormal growth of spur of cock, 27;
—on Pangenesis, 27.
MANTELL, Mr., taming of birds by the New Zealanders, 18.
MANU, domestic fowl noticed in the Institutes of, 7.
MANURE, effect of, on the fertility of plants, 18.
MANX cats, 1, 14.
MARCEL DE SERRES, fertility of the ostrich, 18.
MARIANNE Islands, varieties of _Pandanus_ in, 22.
MARKHAM, GERVASE, on rabbits, 4, 20.
MARKHOR, probably one of the parents of the goat, 3.
MARQUAND, cattle of the Channel Islands, 3.
MARRIMPOEY, inheritance in the horse, 12.
MARROW, vegetable, 10.
MARRYATT, Capt., breeding of asses in Kentucky, 21.
MARSDEN, notice of _Gallus giganteus,_ 7.
MARSHALL, Dr. W., on _Gallus sonneratii,_ 7.
MARSHALL, Mr., voluntary selection of pasture by sheep, 3;
—adaptation of wheats to soil and climate, 9;
—“Dutch-buttocked” cattle, 12;
—segregation of herds of sheep, 16;
—advantage of change of soil to wheat and potatoes, 18;
—fashionable change in the horns of cattle, 20;
—sheep in Yorkshire, 21.
MARTENS, E. VON, on _Achatinella,_ 13.
MARTIN, W. C. L., origin of the dog, 1;
—Egyptian dogs, 1;
—barking of a Mackenzie River dog, 1;
—African hounds in the Tower menagerie, 3;
—on dun horses and dappled asses, 2;
—breeds of the horse, 2;
—wild horses, 2;
—Syrian breeds of asses, 2;
—asses without stripes, 2;
—effects of cross-breeding on the female in dogs, 11;
—striped legs of mules, 13.
MARTINS, defective instincts of silkworms, 8.
MARTIUS, C., fruit-trees of Stockholm, 24.
MASON, W., bud-variation in the ash, 11.
MASTERS, Dr., on bud-variation and reversion, 11;
—potato-grafting, 11;
—on pollen within ovules, 27;
—reversion in the spiral-leaved weeping willow, 11;
—on peloric flowers, 13;
—on _Opuntia,_ 23;
—pelorism in a clover, 26;
—position as a cause of pelorism, 26 (2).
MASTERS, Mr., persistence of varieties of peas, 9;
—reproduction of colour in hyacinths, 12;
—on hollyhocks, 16;
—selection of peas for seed, 20;
—on _Hibiscus syriacus,_ 23;
—reversion by the terminal pea in the pod, 26.
MASTIFF, sculptured on an Assyrian monument, 1, 28;
—Tibetan, 1, 23.
MATTHEWS, PATRICK, on forest trees, 21.
_Matthiola annua,_ 11 (2), 15.
_Matthiola incana,_ 11 (2).
MAUCHAMP merino sheep, 3.
MAUDUYT, crossing of wolves and dogs in the Pyrenees, 1.
MAUND, Mr., crossed varieties of wheat, 17.
MAUPERTUIS, axiom of “least action,” 1.
MAURITIUS, importation of goats into, 3.
MAW, G., effects of change of climate, 24;
—correlation of contracted leaves and flowers in pelargoniums, 25
(2).
MAWZ, fertility of _Brassica rapa,_ 18.
_Maxillaria,_ self-fertilised capsules of, 17.
_Maxillaria atro-rubens,_ fertilisation of, by _M. squalens,_ 17.
MAXIMOWICZ, direct action of pollen, 11.
MAYERS, on gold-fish in China, 8.
MAYES, M., self-impotence in _Amaryllis,_ 17.
MECKEL, on the number of digits, 12;
—correlation of abnormal muscles in the leg and arm, 25.
MEDUSÆ, development of, 27 (2).
MEEHAN, Mr., weeping peach, 12;
—effects of parasites, 23;
—comparison of European and American trees, 23.
_Meles taxus,_ 18.
MELONS, 10 (2);
—mongrel supposed to be produced from a twin-seed, 11;
—crossing of varieties of, 11, 16, 17;
—inferiority of, in Roman times, 20;
—changes in, by culture and climate, 23;
—serpent, correlation of variations in, 25;
—analogous variations in, 26.
MEMBRANES, false, 24 (2).
MÉNÉTRIES, on the stomach of _Strix grallaria,_ 24.
MENINGITIS, tubercular, inherited, 14.
MERRICK, potato-grafting, 11.
METAGENESIS, 27.
METAMORPHOSIS, 27.
METAMORPHOSIS and development, 27 (2).
METZGER, on the supposed species of wheat, 9 (2);
—tendency of wheat to vary, 9;
—variation of maize, 9 (2);
—cultivation of American maize in Europe, 9, 26;
—on cabbages, 9;
—acclimatisation of Spanish wheat in Germany, 12;
—advantage of change of soil to plants, 18;
—on rye, 22;
—cultivation of different kinds of wheat, 22.
MEXICO, dog from, with tan spots on the eyes, 1;
—colours of feral horses in, 2.
MEYEN, on seeding of bananas, 18.
MICE, grey and white, colours of, not blended by crossing, 15;
—rejection of bitter almonds by, 21;
—naked, 23.
MICHAUX, F., roan-coloured feral horses of Mexico, 2;
—origin of domestic turkey, 8;
—on raising peaches from seed, 10.
MICHEL, F., selection of horses in mediæval times, 20;
—horses preferred on account of slight characters, 20.
MICHELY, effects of food on caterpillars, 23;
—on _Bombyx hesperus,_ 25.
MICROPHTHALMIA, associated with defective teeth, 25.
MIDDENS, Danish, remains of dogs in, 1, 28.
MIGNONETTE, 21, 24.
MILLET, 10.
MILLS, J., diminished fertility of mares when first turned out to
grass, 18.
MILNE-EDWARDS, on the development of the crustacea, 27.
MILNE-EDWARDS, A., on a crustacean with a monstrous eye-peduncle, 27.
_Milvus niger,_ 18.
_Mimulus luteus,_ 17.
MINOR, W. C., gemmation and fission in annelids, 27.
_Mirabilis,_ fertilisation of, 27;
—hybrids of, 17, 18, 22.
_Mirabilis jalapa,_ 11 (2).
_Mirabilis longiflora,_ 15.
_Mirabilis vulgaris,_ 15.
_Misocampus_ and _Cecidomyia,_ 1.
MITCHELL, Dr., effects of the poison of the rattlesnake, 23.
MITFORD, Mr., notice of the breeding of horses by Erichthonius, 20.
MIVART, Mr., rudimentary organs, 24.
MOCCAS Court, weeping oak at, 12.
MOGFORD, horses poisoned by fool’s parsley, 25.
MÖLLER, L., effects of food on insects, 23.
MOLE, white, 25.
MOLL and Gayot, on cattle, 3, 15, 20.
MOLLUSCA, change in shells of, 23.
MONKE, Lady, culture of the pansy by, 10.
MONKEYS, rarely fertile in captivity, 18.
MONNIER, identity of summer and winter wheat, 9.
MONSTERS, double, 26 (2).
MONSTROSITIES, occurrence of, in domesticated animals and cultivated
plants, 10, 22;
—due to persistence of embryonic conditions, 13;
—occurring by reversion, 13;
—a cause of sterility, 18;
—caused by injury to the embryo, 22.
MOOR, J. H., deterioration of the horse in Malasia, 2.
MOORCROFT, Mr., on Hasora wheat, 9;
—selection of white-tailed yaks, 20;
—melon of Kaschmir, 23;
—varieties of the apricot cultivated in Ladakh, 10;
—varieties of the walnut cultivated in Kaschmir, 27.
MOORE, Mr., on breeds of pigeons, 5 (2), 6 (3);
—on ground tumblers, 6.
MOORUK, fertility of, in captivity, 18.
MOQUIN-TANDON, original form of maize, 9;
—variety of the double columbine, 10;
—peloric flowers, 13;
—position as a cause of pelorism in flowers, 26;
—tendency of peloric flowers to become irregular, 14;
—on monstrosities, 22;
—correlation in the axis and appendages of plants, 25;
—fusion of homologous parts in plants, 26;
—on a bean with monstrous stipules and abortive leaflets, 26;
—conversion of parts of flowers, 27.
MORLOT, dogs of the Danish Middens, 1;
—sheep and horse of the Bronze period, 28.
_Mormodes ignea,_ 13.
MOROCCO, estimation of pigeons in, 6.
MORREN, grafts of Abutilon, 11;
—on pelorism, 13;
—in _Calceolaria,_ 26;
—non-coincidence of double flowers and variegated leaves, 18.
MORRIS, Mr., breeding of the kestrel in captivity, 18.
MORSE, Dr., digits of birds, 25.
MORTON, Lord, effect of fecundation by a quagga on an Arab mare, 11.
MORTON, Dr., origin of the dog, 1.
_Morus alba,_ 10.
MOSCOW, rabbits of, 4 (2);
—effects of cold on pear-trees at, 24.
MOSSES, sterility in, 18;
—retrogressive metamorphosis in, 27.
MOSS-ROSE, probable origin of, from _Rosa centifolia,_ 11;
—Provence roses produced from seeds of, 11.
MOSTO, Cada, on the introduction of rabbits into Porto Santo, 4.
MOT-MOT, mutilation of feathers inherited, 12.
MOTTLING of fruits and flowers, 11.
MOUNTAIN-ASH, 21.
MOUSE, Barbary, 18.
“MÖVEN-TAUBE,” 5.
MOWBRAY, Mr., on the eggs of game fowls, 7;
—early pugnacity of game cocks, 7;
—diminished fecundity of the pheasant in captivity, 18.
MOWBRAY, Mr., reciprocal fecundation of _Passiflora alata_ and
_racemosa,_ 17.
MULATTOS, character of, 13.
MULBERRY, 10, 22.
MULE and hinny, differences in the, 14.
MULES, striped colouring of, 13;
—obstinacy of, 13;
—production of, among the Romans, 16;
—noticed in the Bible, 20.
MÜLLER, FRITZ, reproduction of orchids, 17;
—development of crustacea, 27;
—direct action of pollen, 11;
—self-sterile bignonia, 17.
MÜLLER, H., on the face and teeth in dogs, 1, 3, 26.
MÜLLER, J., tendency to variation, 22;
—atrophy of the optic nerve consequent on destruction of the eye,
24;
—on gemmation and fission, 27;
—identity of ovules and buds, 27;
—special affinities of the tissues, 27.
MÜLLER, MAX, antiquity of agriculture, 21.
MULTIPLICITY of origin of pigeons, hypotheses of, discussed, 6.
MUNIZ, F., on Niata cattle, 3.
MUNRO, R., on the fertilisation of orchids, 17;
—reproduction of _Passiflora alata,_ 17;
—self-sterile Passiflora, 17.
“MURASSA” pigeon, 5.
MURIE, Dr., size of hybrids, 17.
MURPHY, J. J., the structure of the eye not producible by selection,
20.
_Mus alexandrinus,_ 15 (2).
_Musa sapientium, chinensis_ and _cavendishii,_ 11.
_Muscari comosum,_ 19, 24.
MUSCLES, effects of use on, 24.
MUSK duck, feral hybrid of, with the common duck, 6.
MUTILATIONS, inheritance or non-inheritance of, 12, 27 (2).
MYATT, on a five-leaved variety of the strawberry, 10.
MYOPIA, hereditary, 12.
MYRIAPODA, regeneration of lost parts in, 24, 27.
NAILS, growing on stumps of fingers, 27.
NAIS, scission of, 27.
NAMAQUAS, cattle of the, 3, 20.
NARCISSUS, double, becoming single in poor soil, 18.
NARVAEZ, on the cultivation of native plants in Florida, 9.
_Nasua,_ sterility of, in captivity, 18.
“NATAS” or Niatas, a South American breed of cattle, 3.
NATHUSIUS, H. VON, on striped horses, 2;
—on the pigs of the Swiss lake-dwellings, 3;
—on the races of pigs, 3;
—convergence of character in highly-bred pigs, 3, 21;
—causes of changes in the form of the pig’s skull, 3 (2);
—changes in breeds of pigs by crossing, 3;
—change of form in the pig, 23;
—effects of disuse of parts in the pig, 24;
—period of gestation in the pig, 3;
—appendages to the jaw in pigs, 3;
—on _Sus pliciceps,_ 3;
—period of gestation in sheep, 3;
—on Niata cattle, 3;
—on shorthorn cattle, 17;
—on interbreeding, 17;
—in the sheep, 17;
—in pigs, 17;
—unconscious selection in cattle and pigs, 20;
—variability of highly-selected races, 21.
NATO, P., on the Bizzarria orange, 11.
NATURAL selection, its general principles, Introduction.
NATURE, sense in which the term is employed, Introduction.
NAUDIN, supposed rules of transmission in crossing plants, 14;
—on the nature of hybrids, 13 (2);
—essences of the species in hybrids, 27 (2);
—reversion of hybrids, 13 (3);
—reversion in flowers by stripes and blotches, 13;
—hybrids of _Linaria vulgaris_ and _purpurea,_ 15;
—pelorism in _Linaria,_ 13, 14;
—crossing of peloric _Linaria_ with the normal form, 14;
—variability in _Datura,_ 22;
—hybrids of _Datura laevis_ and _stramonium,_ 11;
—prepotency of transmission of _ Datura stramonium_ when crossed,
14;
—on the pollen of _Mirabilis_ and of hybrids, 11;
—fertilisation of _Mirabilis,_ 27;
—cultivated Cucurbitaceæ, 10 (2), 16;
—rudimentary tendrils in gourds, 24;
—dwarf _Cucurbitæ,_ 25;
—relation between the size and number of the fruit in _Cucurbita
pepo,_ 26;
—analogous variation in _ Cucurbitæ,_ 22;
—acclimatisation of Cucurbitaceæ, 24;
—production of fruit by sterile hybrid Cucurbitaceæ, 18;
—on the melon, 10, 16, 23;
—incapacity of the cucumber to cross with other species, 10.
NECTARINE, 10;
—derived from the peach, 10 (2);
—hybrids of, 10;
—persistency of characters in seedling, 10;
—origin of, 10;
—produced on peach-trees, 10 (2);
—producing peaches, 10;
—variation in, 10 (2);
—bud-variation in, 11;
—glands in the leaves of the, 21;
—analogous variation in, 26.
NECTARY, variations of, in pansies, 10.
NEES, on changes in the odour of plants, 23.
“NEGRO” cat, 1.
NEGROES, polydactylism in, 12;
—selection of cattle practised by, 20.
NEOLITHIC period, domestication of _Bos longifrons_ and _ primigenius_
in the, 3;
—cattle of the, distinct from the original species, 3;
—domestic goat in the, 3;
—cereals of the, 9.
NERVE, optic, atrophy of the, 24.
NEUBERT, potato-grafting, 11.
NEUMEISTER, on the Dutch and German pouter pigeons, 5;
—on the Jacobin pigeon, 5;
—duplication of the middle flight feather in pigeons, 5;
—on a peculiarly coloured breed of pigeons, “Staarhalsige Taube,”
5;
—fertility of hybrid pigeons, 6;
—mongrels of the trumpeter pigeon, 14;
—period of perfect plumage in pigeons, 14;
—advantage of crossing pigeons, 17.
NEURALGIA, hereditary, 14.
NEW ZEALAND, feral cats of, 1;
—cultivated plants of, 9.
NEWFOUNDLAND dog, modification of, in England, 1.
NEWMAN, E., sterility of Sphingidæ under certain conditions, 18.
NEWPORT, G., non-copulation of _Vanessæ_ in confinement, 18;
—fertilisation of the ovule in batrachia, 27.
NEWT, polydactylism in the, 12.
NEWTON, A., absence of sexual distinctions in the Columbidæ, 5;
—production of a “black-shouldered” peahen among the ordinary kind,
8;
—on hybrid ducks, 18.
NGAMI, Lake, cattle of, 3.
“NIATA” cattle, 3;
—resemblance of, to _ Sivatherium,_ 3;
—prepotency of transmission of character by, 14.
“NICARD” rabbit, 4.
NICHOLSON, Dr., on the cats of Antigua, 1;
—on the sheep of Antigua, 3.
_Nicotiana,_ crossing of varieties and species of, 3;
—prepotency of transmission of characters in species of, 14;
—contabescence of female organs in, 18.
_Nicotiana glutinosa,_ 16.
NIEBUHR, on the heredity of mental characteristics in some Roman
families, 14.
NIGHT-BLINDNESS, non-reversion to, 13.
NILSSON, Prof., on the barking of a young wolf, 1;
—parentage of European breeds of cattle, 3 (2);
—on _Bos frontosus_ in Scania, 3.
NIND, Mr., on the dingo, 1.
“NISUS formativus,” 24 (2), 26.
NITZSCH, on the absence of the oil-gland in certain Columbæ, 5.
NON-INHERITANCE, causes of, 12.
“NONNAIN” pigeon, 5.
NORDMANN, dogs of Awhasie, 1.
NORMANDY, pigs of, with appendages under the jaw, 3.
NORWAY, striped ponies of, 2.
NOTT and Gliddon, on the origin of the dog, 1;
—mastiff represented on an Assyrian tomb, 1;
—on Egyptian dogs, 1;
—on the Hare Indian dog, 1.
_Notylia,_ 17.
NOURISHMENT, excess of, a cause of variability, 22.
NUMBER, importance of, in selection, 21.
_Numida ptilorhyncha,_ the original of the Guinea-fowl, 8.
NUN pigeon, 5;
—known to Aldrovandi, 6.
NUTMEG-TREE, 21.
OAK, weeping, 10, 12, 21;
—pyramidal, 10;
—Hessian, 10;
—late-leaved, 10;
—valueless as timber at the Cape of Good Hope, 23;
—changes in, dependent on age, 11;
—galls of the, 23.
OATS, wild, 9;
—in the Swiss lake-dwellings, 9.
OBERLIN, change of soil beneficial to the potato, 18.
ODART, Count, varieties of the vine, 10, 23;
—bud-variation in the vine, 11.
_Œcidium,_ 23.
_Œnothera biennis,_ bud-variation in, 11.
OGLE, Dr. J. W., inherited deficient phalanges, 12;
—resemblance of twins, 22 (2).
OIL-GLAND, absence of, in fantail pigeons, 5 (2).
OLDFIELD, Mr., estimation of European dogs among the natives of
Australia, 20.
OLEANDER, stock affected by grafting in the, 11.
OLLIER, Dr., insertion of the periosteum of a dog beneath the skin of a
rabbit, 27.
_Oncidium,_ reproduction of, 17, 18.
ONIONS, crossing of, 15;
—white, liable to the attacks of fungi and disease, 21, 25.
_Ophrys apifera,_ self-fertilisation of, 15;
—formation of pollen by a petal in, 27.
_Opuntia leucotricha,_ 23.
ORANGE, 10;
—crossing of, 15;
—with the lemon, 11, 27;
—naturalisation of, in Italy, 24;
—variation of, in North Italy, 22;
—peculiar variety of, 25;
—bizzarria, 11;
—trifacial, 11.
ORCHIDS, reproduction of, 11 (2), 17.
ORFORD, Lord, crossing greyhounds with the bulldog, 1.
ORGANISMS, origin of, Introduction.
ORGANISATION, advancement in, Introduction.
ORGANS, rudimentary and aborted, 24;
—multiplication of abnormal, 27.
ORIOLE, assumptions of hen-plumage by a male in confinement, 18.
ORKNEY Islands, pigs of, 3;
—pigeons of, 6.
ORTHOPTERA, regeneration of hind legs in the, 24.
_Orthosia munda,_ 18.
ORTON, R., on the effects of cross-breeding on the female, 11;
—on the Manx cat, 14;
—on mongrels from the silk fowl, 14;
—infertility of geese in Quito, 18.
OSBORNE, Dr., inherited mottling of the iris, 12.
OSPREY, preying on black fowls, 21.
OSTEN-SACKEN, Baron, on American oak-galls, 23.
OSTEOLOGICAL characters of pigs, 3 (4);
—of rabbits, 4;
—of pigeons, 5;
—of ducks, 8.
OSTRICH, diminished fertility of the, in captivity, 18.
OSTYAKS, selection of dogs by the, 20.
OTTER, 18.
“OTTER” sheep of Massachusetts, 3.
OUDE, feral humped cattle in, 3.
OUISTITI, breed in Europe, 18.
OVARY, variation of, in _Cucurbita moschata,_ 10;
—development of, independently of pollen, 11.
_Ovis montana,_ 3.
OVULES and buds, identity of nature of, 27.
OWEN, Capt., on stiff-haired cats at Mombas, 1.
OWEN, Prof. R., palæontological evidence as to the origin of dogs, 1;
—on the skull of the “Niata” cattle, 3;
—on fossil remains of rabbits, 3;
—on the significance of the brain, 4;
—on metagenesis, 27;
—theory of reproduction and parthenogenesis, 27.
OWL, eagle, breeding in captivity, 18.
OWL pigeon, 5;
—African, figured, 5;
—known in 1735, 6.
_Oxalis,_ trimorphic species of, 27.
_Oxalis rosea,_ 17.
OXLEY, Mr., on the nutmeg-tree, 21.
OYSTERS, differences in the shells of, 23.
PACA, sterility of the, in confinement, 4.
PACIFIC Islands, pigs of the, 3.
PADUA, earliest known flower-garden at, 20.
PADUAN fowl of Aldrovandi, 7.
_Pæonia moutan,_ 20.
PÆONY-TREE, ancient cultivation of, in China, 20.
PAGET, on the Hungarian sheep-dog, 1.
PAGET, Sir J., inheritance of cancer, 12;
—hereditary elongation of hairs in the eyebrow, 12;
—regrowth of extra digits, 12;
—circumcision, 12;
—period of inheritance of cancer, 14;
—on _Hydra,_ 24;
—on the healing of wounds, 24;
—on the reparation of bones, 24;
—growth of hair near inflamed surfaces or fractures, 24;
—on false membranes, 24;
—compensatory development of the kidney, 24;
—bronzed skin in disease of supra-renal capsules, 25;
—unity of growth and gemmation, 27;
—independence of the elements of the body, 27;
—affinity of the tissues for special organic substances, 27.
PALLAS, on the influence of domestication upon the sterility of
intercrossed species, 1, 4, 6, 16;
—hypothesis that variability is wholly due to crossing, 4, 8, 22
(2);
—on the origin of the dog, 1;
—variation in dogs, 1;
—crossing of dog and jackal, 1;
—origin of domestic cats, 2;
—origin of Angora cat, 1;
—on wild horses, 2 (2);
—on Persian sheep, 3;
—on Siberian fat-tailed sheep, 23;
—on Chinese sheep, 24;
—on Crimean varieties of the vine, 10;
—on a grape with rudimentary seeds, 24;
—on feral musk-ducks, 13;
—sterility of Alpine plants in gardens, 18;
—selection of white-tailed yaks, 20.
PAMPAS, feral cattle on the, 3.
_Pandanus,_ 22.
PANGENESIS, hypothesis of, 27.
_Panicum,_ seeds of, used as food, 9;
—found in the Swiss lake-dwellings, 9.
PANSY, 10.
PAPPUS, abortion of the, in _Carthamus,_ 24.
_Paradoxurus,_ sterility of species of, in captivity, 18.
PARAGUAY, cats of, 1;
—cattle of, 3;
—horses of, 3;
—dogs of, 3;
—black-skinned domestic fowl of, 7.
PARALLEL variation, 26.
PARAMOS, woolly pigs of, 3.
PARASITES, liability to attacks of, dependent on colour, 21.
PARIAH dog, with crooked legs, 1;
—resembling the Indian wolf, 1.
PARISET, inheritance of handwriting, 13.
_Paritium tricuspis,_ bud-variation, 11.
PARKER, W. K., number of vertebræ in fowls, 7.
PARKINSON, Mr., varieties of the hyacinth, 10.
PARKYNS, MANSFIELD, on _Columba guinea,_ 6.
PARMENTIER, differences in the nidification of pigeons, 5;
—on white pigeons, 21.
PARROTS, general sterility of, in confinement, 18;
—alteration of plumage of, 23.
PARSNIP, reversion in, 13;
—influence of selection on, 20;
—experiments on, 23;
—wild, enlargement of roots of, by cultivation, 9.
PARTHENOGENESIS, 27 (2).
PARTRIDGE, sterility of, in captivity, 18.
PARTURITION, difficult, hereditary, 12.
_Parus major,_ 21.
_Passiflora,_ self-impotence in species of, 17 (2);
—contabescence of female organs in, 18.
_Passiflora alata,_ fertility of, when grafted, 19.
PASTRANA, Julia, peculiarities in the hair and teeth of, 25.
PASTURE and climate, adaptation of breeds of sheep to, 3 (2).
PATAGONIA, crania of pigs from, 3.
PATAGONIAN rabbit, 4.
PATERSON, R., on the Arrindy silk-moth, 24.
PAUL, W., on the hyacinth, 10 (2);
—varieties of pelargoniums, 11;
—weakness of transmission in hollyhocks, 14;
—improvement of pelargoniums, 20.
_Pavo cristatus_ and _muticus,_ hybrids of, 8.
_Pavo nigripennis,_ 8.
“PAVODOTTEN-TAUBE,” 5.
PEACH, 10;
—derived from the almond, 10;
—stones of, figured, 10;
—contrasted with almonds, 10;
—double-flowering, 10 (3);
—hybrids of, 10;
—persistency of races of, 10;
—trees producing nectarines, 10;
—variation in, 10 (2);
—bud-variation in, 11;
—pendulous, 12;
—variation by selection in, 20;
—peculiar disease of the, 21;
—glands on the leaves of the, 21;
—antiquity of the, 24;
—increased hardiness of the, 24;
—varieties of, adapted for forcing, 24;
—yellow-fleshed, liable to certain diseases, 25.
PEACH-ALMOND, 27.
PEAFOWL, origin of, 8;
—japanned or black-shouldered, 8;
—feral, in Jamaica, 6;
—comparative fertility of, in wild and tame states, 16, 22;
—white, 25.
PEARS, 10;
—bud-variation in, 11;
—reversion in seedling, 13;
—inferiority of, in Pliny’s time, 20;
—winter nelis, attacked by aphides, 21;
—soft-barked varieties of, attacked by wood-boring beetles, 21;
—origination of good varieties of, in woods, 22;
—Forelle, resistance of, to frost, 24.
PEAS, 9;
—origin of, 9;
—varieties of, 9;
—found in Swiss lake-dwellings, 9 (3);
—fruit and seeds figured, 9;
—persistency of varieties, 9;
—intercrossing of varieties, 9, 11;
—effect of crossing on the female organs in, 11;
—double-flowered, 18;
—maturity of, accelerated by selection, 20;
—varieties of, produced by selection, 20;
—thin-shelled, liable to the attacks of birds, 21;
—reversion of, by the terminal seed in the pod, 26.
PECCARY, breeding of the, in captivity, 18.
PEDIGREES of horses, cattle, greyhounds, game-cocks, and pigs, 12.
PEGU, cats of, 1;
—horses of, 2.
PELARGONIUMS, multiple origin of, 10;
—zones of, 10;
—bud-variation in, 11;
—variegation in, accompanied by dwarfing, 11;
—pelorism in, 18, 26;
—by reversion, 13;
—advantage of change of soil to, 18;
—improvement of, by selection, 20;
—scorching of, 21;
—numbers of, raised from seed, 21;
—effects of conditions of life on, 23;
—stove-variety of, 24;
—correlation of contracted leaves and flowers in, 25 (2).
_Pelargonium fulgidum,_ conditions of fertility in, 18.
“PELONES,” a Columbian breed of cattle, 3, 6.
PELORIC flowers, tendency of, to acquire the normal form, 14;
—fertility or sterility of, 18 (2).
PELORIC races of _Gloxinia speciosa_ and _Antirrhinum majus,_ 10.
PELORISM, 13, 26 (2).
PELVIS, characters of, in rabbits, 4;
—in pigeons, 5;
—in fowls, 7;
—in ducks, 8.
PEMBROKE cattle, 3.
PENDULOUS trees, 10, 26;
—uncertainty of transmission of, 12 (2).
PENGUIN ducks, 8 (2);
—hybrid of the, with the Egyptian goose, 8.
PENNANT, production of wolf-like curs at Fochabers, 1;
—on the Duke of Queensberry’s wild cattle, 3.
_Pennisetum,_ seeds of, used as food in the Punjab, 9.
_Pennisetum distichum,_ seeds of, used as food in Central Africa, 9.
PERCIVAL, Mr., on inheritance in horses, 12;
—on horn-like processes in horses, 2.
_Perdix rubra,_ occasional fertility of, in captivity, 18.
PERIOD of action of causes of variability, 22.
PERIOSTEUM of a dog, producing bone in a rabbit, 27.
PERIWINKLE, sterility of, in England, 19.
PERSIA, estimation of pigeons in, 6;
—carrier pigeon of, 5;
—tumbler pigeon of, 5;
—cats of, 1;
—sheep of, 3.
PERSISTENCE of colour in horses, 2;
—of generic peculiarities, 4.
PERU, antiquity of maize in, 9;
—peculiar potato from, 9;
—selection of wild animals practised by the Incas of, 20 (2).
“PERUCKEN-TAUBE,” 5.
PETALS, rudimentary, in cultivated plants, 24;
—producing pollen, 27.
PETUNIAS, multiple origin of, 10.