setts, i. 100.
OUDE, feral humped cattle in, i. 79.
OUISTITI, breed in Europe, ii. 153.
{468}
OVARY, variation of, in _Cucurbita moschata_, i. 359;
development of, independently of pollen, i. 403.
_Ovis montana_, i. 99.
OVULES and buds, identity of nature of, ii. 360.
OWEN, Capt., on stiff-haired cats at Mombas, i. 46.
OWEN, Prof. R., palaeontological evidence as to the origin of dogs, i.
15;
on _Bos longifrons_, i. 81;
on the skull of the "Niata" cattle, i. 89, 90;
on fossil remains of rabbits, i. 104;
on the significance of the brain, i. 124;
on the number of digits in the Ichthyopterygia, ii. 16;
on metagenesis, ii. 366;
theory of reproduction and parthenogenesis, ii. 375.
OWL, eagle, breeding in captivity, ii. 154.
OWL pigeon, i. 148;
African, figured, i. 149;
known in 1735, i. 209.
_Oxalis_, trimorphic species of, ii. 400.
_Oxalis rosea_, ii. 132.
OXLEY, Mr., on the nutmeg tree, ii. 237.
OYSTERS, differences in the shells of, ii. 280.

PACA, sterility of the, in confinement, ii. 152.
PACIFIC islands, pigs of the, i. 70.
PADUA, earliest known flower garden at, ii. 217.
PADUAN fowl of Aldrovandi, i. 247.
_Paeonia moutan_, ii. 205.
PAEONY, tree, ancient cultivation of, in China, ii. 205.
PAMPAS, feral cattle on the, i. 85.
_Pandanus_, ii. 256.
PANGENESIS, hypothesis of, ii. 357-404.
_Panicum_, seeds of, used as food, i. 309;
found in the Swiss lake-dwellings, i. 317.
PANSY, i. 368-370.
PAPPUS, abortion of the, in _Carthamus_, ii. 316.
PAGET, on the Hungarian sheep dog, i. 24.
PAGET, inheritance of cancer, ii. 7;
hereditary elongation of hairs in the eyebrow, ii. 8;
period of inheritance of cancer, ii. 79-80;
on _Hydra_, ii. 293;
on the healing of wounds, ii. 294;
on the reparation of bones, _ibid._;
growth of hair near inflamed surfaces or fractures, ii. 295;
on false membranes, _ibid._;
compensatory development of the kidney, ii. 300;
bronzed skin in disease of supra-renal capsules, ii. 331;
unity of growth and gemmation, ii. 359;
independence of the elements of the body, ii. 369;
affinity of the tissues for special organic substances, ii. 380.
PALLAS, on the influence of domestication upon the sterility of
intercrossed species, i. 31, 83, 193, ii. 109;
hypothesis that variability is wholly due to crossing, i. 188, 374, ii.
25