"NONNAIN" pigeon.
NORDMANN, dogs of Awhasie.
NORMANDY, pigs of, with appendages under the jaw.
NORWAY, striped ponies of.
NOTT and Gliddon, on the origin of the dog. -mastiff represented on an Assyrian tomb. -on Egyptian dogs. -on the Hare Indian dog.
Notylia.
NOURISHMENT, excess of, a cause of variability.
NUMBER, importance of, in selection.
Numida ptilorhyncha, the original of the Guinea-fowl.
NUN pigeon. -known to Aldrovandi.
NUTMEG-TREE.
OAK, weeping. -pyramidal. -Hessian. -late-leaved. -valueless as timber at the Cape of Good Hope. -changes in, dependent on age. -galls of the.
OATS, wild. -in the Swiss lake-dwellings.
OBERLIN, change of soil beneficial to the potato.
ODART, Count, varieties of the vine. -bud-variation in the vine.
Oecidium.
Oenothera biennis, bud-variation in.
OGLE, Dr. J.W., inherited deficient phalanges. -resemblance of twins.
OIL-GLAND, absence of, in fantail pigeons.
OLDFIELD, Mr., estimation of European dogs among the natives of Australia.
OLEANDER, stock affected by grafting in the.
OLLIER, Dr., insertion of the periosteum of a dog beneath the skin of a rabbit.
Oncidium, reproduction of.
ONIONS, crossing of. -white, liable to the attacks of fungi and disease.
Ophrys apifera, self-fertilisation of. -formation of pollen by a petal in.
Opuntia leucotricha.
ORANGE. -crossing of. -with the lemon. -naturalisation of, in Italy. -variation of, in North Italy. -peculiar variety of. -bizzarria. -trifacial.
ORCHIDS, reproduction of.
ORFORD, Lord, crossing greyhounds with the bulldog.
ORGANISMS, origin of.
ORGANISATION, advancement in.
ORGANS, rudimentary and aborted. -multiplication of abnormal.
ORIOLE, assumptions of hen-plumage by a male in confinement.
ORKNEY Islands, pigs of. -pigeons of.
ORTHOPTERA, regeneration of hind legs in the.
Orthosia munda.
ORTON, R., on the effects of cross-breeding on the female. -on the Manx cat. -on mongrels from the silk fowl. -infertility of geese in Quito.
OSBORNE, Dr., inherited mottling of the iris.
OSPREY, preying on black fowls.
OSTEN-SACKEN, Baron, on American oak-galls.
OSTEOLOGICAL characters of pigs. -of rabbits. -of pigeons. -of ducks.
OSTRICH, diminished fertility of the, in captivity.
OSTYAKS, selection of dogs by the.
OTTER.
"OTTER" sheep of Massachusetts.
OUDE, feral humped cattle in.
OUISTITI, breed in Europe.
OVARY, variation of, in Cucurbita moschata. -development of, independently of pollen.
Ovis montana.
OVULES and buds, identity of nature of.
OWEN, Capt., on stiff-haired cats at Mombas.
OWEN, Prof. R., palaeontological evidence as to the origin of dogs. -on the skull of the "Niata" cattle. -on fossil remains of rabbits. -on the significance of the brain. -on metagenesis. -theory of reproduction and parthenogenesis.
OWL, eagle, breeding in captivity.
OWL pigeon. -African, figured. -known in 1735.
Oxalis, trimorphic species of.
Oxalis rosea.
OXLEY, Mr., on the nutmeg-tree.
OYSTERS, differences in the shells of.
PACA, sterility of the, in confinement.
PACIFIC Islands, pigs of the.
PADUA, earliest known flower-garden at.
PADUAN fowl of Aldrovandi.
Paeonia moutan.
PAEONY-TREE, ancient cultivation of, in China.
PAGET, on the Hungarian sheep-dog.
PAGET, Sir J., inheritance of cancer. -hereditary elongation of hairs in the eyebrow. -regrowth of extra digits. -circumcision. -period of inheritance of cancer. -on Hydra. -on the healing of wounds. -on the reparation of bones. -growth of hair near inflamed surfaces or fractures. -on false membranes. -compensatory development of the kidney. -bronzed skin in disease of supra-renal capsules. -unity of growth and gemmation. -independence of the elements of the body. -affinity of the tissues for special organic substances.
PALLAS, on the influence of domestication upon the sterility of intercrossed species. -hypothesis that variability is wholly due to crossing. -on the origin of the dog. -variation in dogs. -crossing of dog and jackal. -origin of domestic cats. -origin of Angora cat. -on wild horses. -on Persian sheep. -on Siberian fat-tailed sheep. -on Chinese sheep. -on Crimean varieties of the vine. -on a grape with rudimentary seeds. -on feral musk-ducks. -sterility of Alpine plants in gardens. -selection of white-tailed yaks.