AS, origin of, i. 364;
bud-variation in, i. 382.
_Fuchsia coccinea_ and _fulgens_, twin seed produced by crossing, i. 391.
FUEGIANS, their superstition about killing young water-fowl, i. 310;
selection of dogs by the, ii. 207;
their comparative estimation of dogs and old women, ii. 215;
their power of distant vision, ii. 223.
FUNGI, parasitic, ii. 284-285.
FURCULA, characters and variations of the, in pigeons, i. 167;
alteration of, by disuse, in pigeons, i. 175;
characters of, in fowls, i. 268.
FUSION of homologous parts, ii. 393.

GAIT, inheritance of peculiarities of, ii. 6.
GALAPAGOS Archipelago, its peculiar fauna and flora, i. 9.
_Galeobdolon luteum_, pelorism in, ii. 59, 345.
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GALLS, ii. 282-284.
GALL-GNATS, ii. 283.
GALL-LIKE excrescences not inherited, ii. 23.
GALLINACEOUS birds, restricted range of large, i. 237;
general fertility of in captivity, ii. 155.
_Gallinula chloropus_, ii. 156.
_Gallinula nesiotis_, i. 287.
GALTON, Mr., fondness of savages for taming animals, i. 20, ii. 160;
cattle of Benguela, i. 88;
on hereditary talent, ii. 7.
GALLESIO, species of oranges, i. 334, 335, 336;
hybridisation of oranges, i. 336;
persistency of races in the peach, i. 339;
supposed specific distinctions of peach and nectarine, i. 340;
Bizzaria orange, i. 391;
crossing of red and white carnations, i. 393;
crossing of the orange and lemon, i. 399, ii. 365;
effect of foreign pollen on maize, i. 400;
spontaneous crossing of oranges, ii. 91;
monstrosities a cause of sterility in plants, ii. 166;
seeding of ordinarily seedless fruits, ii. 168;
sterility of the sugar cane, ii. 169;
tendency of male flowers to become double, ii. 171;
effects of selection in enlarging fruit, &c., ii. 217;
variation of the orange tree in North Italy, ii. 256;
naturalisation of the orange in Italy, ii. 309.
_Gallus aeneus_, a hybrid of _G. varius_ and the domestic fowl, i. 235.
_Gallus bankiva_, probable original of domestic fowls, i. 233, 236-239,
245;
game-fowl, nearest to, i. 226;
crossed with _G. Sonneratii_, i. 234;
its character and habits, i. 235-236, ii. 109;
differences of various breeds of fowls from, i. 260;
occipital foramen of, figured, i. 261;
skull of, figured, i. 262;
cervical vertebra of, figured, i. 267;
furcula of, figured, i. 268;
rev