KNOX, Mr., breeding of the eagle owl in captivity.

KOCH, degeneracy in the turnip.

KOHLRABI.

KOLREUTER, reversion in hybrids. -acquired sterility of crossed varieties of plants. -absorption of Mirabilis vulgaris by M. longiflora. -crosses of species of Verbascum. -on the hollyhock. -crossing varieties of tobacco. -benefits of crossing plants. -sell-impotence in Verbascum. -effects of conditions of growth upon fertility in Mirabilis. -great development of tubers in hybrid plants. -inheritance of plasticity. -variability of hybrids of Mirabilis. -repeated crossing a cause of variation. -number of pollen-grains necessary for fertilisation.

"KRAUSESCHWEIN."

KROHN, on the double reproduction of Medusae.

"KROPF-TAUBEN."

LABAT, on the tusks of feral boars in the West Indies. -on French wheat grown in the West Indies. -on the culture of the vine in the West Indies.

LABURNUM, Adam's, see Cytisus adami. -oak-leaved, reversion of. -pelorism in the. -Waterer's.

LACHMANN, on gemmation and fission.

Lachnanthes tinctoria.

LACTATION, imperfect, hereditary. -deficient, of wild animals in captivity.

LADRONE Islands, cattle of.

LA GASCA, Prof., individual variation in wheat.

LAING, Mr., resemblance of Norwegian and Devonshire cattle.

LAKE-DWELLINGS, sheep of. -cattle of. -absence of the fowl in. -cultivated plants of. -cereals of. -peas found in. -beans found in.

LAMARE-PIQUOT, observations on half-bred North American wolves.

LAMBERT, A.B., on Thuja pendula or filiformis.

LAMBERT family.

LAMBERTYE, on strawberries. -five-leaved variety of Fragaria collina.

LANDT, L., on sheep in the Faroe Islands.

LANKESTER, RAY, on longevity.

LA PLATA, wild dogs of. -feral cat from.

LARCH.

LARKSPURS, insect agency necessary for the full fecundation of.

Larus argentatus.

Larus tridactylus.

LASTERYE, merino sheep in different countries.

LATENT characters.

LATHAM, on the fowl not breeding in the extreme north.

Lathyrus.

Lathyrus aphaca.

Lathyrus odoratus.

LA TOUCHE, J.D., on a Canadian apple with dimidiate fruit.

"LATZ-TAUBE."

LAUGHER pigeon.

Laurus sassafras.

LAWRENCE, J., production of a new breed of foxhounds. -occurrence of canines in mares. -on three-parts-bred horses. -on inheritance in the horse.

LAWSON, Mr., varieties of the potato.

LAXTON, Mr., bud-variation in the gooseberry. -crossing of varieties of the pea. -weakness of transmission in peas. -double-flowered peas.

LAYARD, E.L., resemblance of a Caffre dog to the Esquimaux breed. -crossing of the domestic cat with Felis caffra. -feral pigeons in Ascension. -domestic pigeons of Ceylon. -on Gallus stanleyi. -on black-skinned Ceylonese fowls.

LE COMPTE family, blindness inherited in.

LECOQ, bud-variation in Mirabilis jalapa. -hybrids of Mirabilis. -crossing in plants. -fecundation of Passiflora. -hybrid Gladiolus. -sterility of Ranunculus ficaria. -villosity in plants. -double asters.

LE COUTEUR, J., varieties of wheat. -acclimatisation of exotic wheat in Europe. -adaptation of wheat to soil and climate. -selection of seed-corn. -evil from interbreeding. -on change of soil. -selection of wheat. -natural selection in wheat. -cattle of Jersey.

LEDGER, Mr., on the llama and alpaca.

LEE, Mr., his early culture of the pansy.

Leersia oryzoides.

LEFOUR, period of gestation in cattle.

LEGRAIN, falsified experiments of.

LEGS, of fowls, effects of disuse on. -characters and variations of, in ducks.

LEGUAT, cattle of the Cape of Good Hope.

LEHMANN, occurrence of wild double-flowered plants near a hot spring.

LEIGHTON, W.A., propagation of a weeping yew by seed.

LEITNER, effects of removal of anthers.

LEMMING.

LEMOINE, variegated Symphytum and Phlox.

LEMON. -orange fecundated by pollen of the.

LEMURS, hybrid.

LEPORIDES.

LEPSIUS, figures of ancient Egyptian dogs. -domestication of pigeons in ancient Egypt.

Lepus glacialis.

Lepus magellanicus.

Lepus nigripes.

Lepus tibetanus.

Charles Darwin

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