CONDOR, breeding in captivity.

CONFINEMENT, effect of, upon the cock.

CONFUCIUS, on the breeding of rabbits in China.

CONOLLY, Mr., on Angora goats.

CONSTITUTIONAL differences in sheep. -in varieties of apples. -in pelargoniums. -in dahlias.

CONSTITUTIONAL peculiarities in strawberries. -in roses.

CONSUMPTION, hereditary. -period of appearance of. -correlated with complexion.

CONTABESCENCE.

Convolvulus batatas.

Convolvulus tricolor, bud-variation in.

COOPER, Mr., improvement of vegetables by selection.

COOPER, WHITE, hereditary peculiarities of vision. -association of affections of the eyes with those of other systems.

CORALS, bud-variation in. -non-diffusion of cell-gemmules in.

CORBIE, See Boitard.

CORDEMOZ, Dr., seedless plants.

CORNEA, opacity of, inherited.

Cornus mascula, yellow-fruited.

CORRELATION. -of neighbouring parts. -of change in the whole body, and in some of its parts. -of homologous parts. -inexplicable. -commingling of, with the effects of other agencies.

CORRELATION of skull and limbs in swine. -of tusks and bristles in swine. -of multiplicity of horns and coarseness of wool in sheep. -of beak and feet in pigeons. -between nestling down and colour of plumage in pigeons. -of changes in silkworms. -in plants. -in maize. -in pigeons. -in fowls.

CORRESPONDING periods, inheritance at.

CORRIENTES, dwarf cattle of.

CORRINGHAM, Mr., influence of selection on pigs.

CORSICA, ponies of.

"CORTBECK" (pigeon) of Aldrovandi.

Corvus corone, and C. cornix, hybrids of.

Corydalis, flower of.

Corydalis cava.

Corydalis solida, sterile when peloric.

Corydalis tuberosa, peloric by reversion.

Corylus avellana.

COSTA, A., on shells transferred from England to the Mediterranean.

COUES, Dr. E., on a monstrous chicken.

COWPER, Mr. WHITE, defective development of the dental system.

"COUVE TRONCHUDA."

COW, inheritance of loss of one horn in the. -amount of milk furnished by the. -development of six mammae in.

COWSLIP.

CRACIDAE, sterility of the, in captivity.

CRANES, fertility of, in captivity.

Crataegus oxyacantha.

Crataegus monogyna.

Crataegus sibirica.

CRAWFURD, J., Malasian cats. -horses of the Malay Archipelago. -horses of Japan. -occurrence of stripes in young wild pigs of Malacca. -on a Burmese hairy family with deficient teeth. -Japanese origin of the bantam. -game fowls of the Philippine Islands. -hybrids of Gallus varius and domestic fowl. -domestication of Gallus bankiva. -feral fowls in the Pellew Islands. -history of the fowl. -history of the domestic duck. -domestication of the goose. -cultivated plants of New Zealand. -breeding of tame elephants in Ava. -sterility of Goura coronata in confinement. -geese of the Philippine Islands.

CREEPERS, a breed of fowls.

CRESTED fowl. -figured.

"CREVE-COEUR," a French sub-breed of fowls.

CRISP, Dr., on the brains of the hare and rabbit.

CROCKER, C.W., singular form of Begonia frigida. -sterility in Ranunculus ficaria.

CROCUS.

CROSS-BREEDING, permanent effect of, on the female.

CROSSING. -a cause of uniformity. -occurs in all organised beings. -some characters not blended by. -modifications and new races produced by. -causes which check. -domestication and cultivation favourable to. -beneficial effects of. -necessary in some plants. -summary of subject of. -of dogs with wolves in North America. -with Canis cancrivorus in Guiana. -of dog with wolf, described by Pliny and others. -characters furnished by, brought out by reversion in the progeny. -a direct cause of reversion. -a cause of variability.

CRUSTACEA, macrourous, differences in the development of the.

CRUSTACEAN with an antenna-like development of the eye-peduncle.

CRYPTOGAMIC plants, bud-variation in.

CUBA, wild dogs of.

"CUCKOO," sub-breeds of fowls.

CUCUMBER, variation in number of carpels of. -supposed crossing of varieties of the.

Cucumis momordica.

Cucumis sativa.

Cucurbita, dwarf, correlation of leaves in.

Charles Darwin

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