cats of, i. 46;
changed fleece of sheep in, i. 98.
_Antirrhinum majus_, peloric, i. 365; ii. 59, 70, 166;
double-flowered, ii. 167;
bud-variation in, i. 381.
ANTS, individual recognition of, ii. 251.
APES, anthropomorphous, ii. 123.
APHIDES, attacking pear-trees, ii. 231;
development of, ii. 361-362.
APOPLEXY, hereditary, occurring at a certain age, ii. 78.
APPLE, i. 348-350;
fruit of, in Swiss lake-dwellings, i. 317;
rendered fastigate by heat in India, i. 361;
bud-variation in the, i. 376;
with dimidiate fruit, i. 392-393;
with two kinds of fruit on the same branch, i. 392;
artificial fecundation of, i. 401;
St. Valery, i. 401; ii. 166;
reversion in seedlings of, ii. 31;
crossing of varieties of, ii. 129;
growth of the, in Ceylon, ii. 277;
Winter Majetin, not attacked by _coccus_, ii. 231;
flower-buds of, attacked by bullfinches, ii. 232;
American, change of when grown in England, ii. 275.
APRICOT, i. 344-345;
glands on the leaves of, ii. 231;
analogous variation in the, ii. 348.
_Aquila fusca_, copulating in captivity, ii. 154.
_Aquilegia vulgaris_, i. 365; ii. 330.
ARAB boarhound, described by Harcourt, i. 17.
_Arabis blepharophylla_ and _A. Soyeri,_ effects of crossing, i. 400.
_Aralia trifoliata_, bud-variation in leaves of, i. 382.
ARAUCARIAS, young, variable resistance of, to frost, ii. 309.
ARCHANGEL pigeon, ii. 240.
ARCTIC regions, variability of plants and shells of, ii. 256.
_Aria vestita_, grafted on thorns, i. 387.
ARISTOPHANES, fowls mentioned by, i. 246.
ARISTOTLE, on solid-hoofed pigs, i. 75;
domestic duck unknown to, i. 277;
on the assumption of male characters by old hens, ii. 51.
{435}
ARNI, domestication of the, i. 82.
ARREST of development, ii. 315-318.
ARTERIES, increase of anastomosing branches of, when tied, ii. 230.
ARU islands, wild pig of, i. 67.
ARUM, Polynesian varieties of, ii. 256.
_Ascaris_, number of eggs of, ii. 379.
ASH, varieties of the, i. 360;
weeping, i. 361;
simple-leaved, i. 362;
bud-variation in, i. 382;
effects of graft upon the stock in the, i. 394;
production of the blotched Breadalbane, _ibid._;
weeping, capricious reproduction of, by seed, ii. 19.
_Asinus Burchellii_, i. 64.
_Asinus hemionus_, ii. 43.
_Asinus indicus_, ii. 42-43, 48.
_Asinus quagga_, i. 64.
_Asinus taeniopus_, ii. 41;