430 
FOX. 
INDEX. 
GALTOX. 
racters by, i. 294 ; cuckoo- , i. 294 ; 
development of . the comb in, i. 
295 ; numerical proportion of the 
sexes in, i. 306 ; courtship of, ii. 117 ; 
mongrel, between a black Spanish 
cock and different hens, ii. 131 ; 
pencilled Hamburgh, difference of 
the sexes in, ii. 158 ; Spanish, 
sexual differences of the comb in, 
ii. 158 ; spurred, in both sexes, ii. 
162. 
Fox, W. D., on some half-tamed 
wild ducks becoming polygamous, 
and on polygamy in the guinea- 
fowl and canary-bird, i. 270 ; on 
the proportion of the sexes in cattle, 
i. 305 ; on the pugnacity of the 
peacock, ii. 46 ; on a nuptial assem- 
bly of magpies, ii. 102 ; on the 
hnding of new mates by crows, ii. 
104; on partridges living in trip- 
lets, ii. 107 ; on the pairing of a 
goose with a Chinese gander, ii. 
114. 
Foxes, wariness of young, in hunting 
districts, i. 50 ; black, ii. 294. 
France, numerical proportion of 
male and female births in, i. 301. 
Francesco, B., on the Simian resem- 
blances of man, i. 4. 
Fraser, C., on the different colours 
of the sexes in a species of Squilla, 
i. 335. 
Fringilla cannobina, ii. 86. 
Fringilla ciris, age of mature plumage 
in, ii. 213. 
Fringilla cyanea, age of mature plu- 
mage in, ii. 213. 
Fringilla leucophrys^ youiig of, ii. 
217. 
Fringilla spinus, ii. 115. 
Fringilla tristis, change of colour in, 
in spring, ii. 85; young of, ii. 216. 
FRiNGiLLiDiE, resemblance of tlie 
p. females of distinct species of, ii. 
192. 
Frogs, ii. 25; male, temporary recep- j 
tacles for ova possessed by, i. 254 ; | 
ready to breed before the females, 
i. 260; vocal organs of, ii. 28. 
Frontal bone, pei’sistence of the 
suture in, i. 124. 
Fruits, poisonous, avoided by animals, 
i. 36. i 
Fuegians, i. 167, 181 ; mental 
capacity of the, i. 34 ; quasi-reli- 
gious sentiments of the, i. 67 ; 
power of sight in the, i. 118 ; skill 
of, in stone-throwing, i. 138 ; re- 
sistance of the, to their severe cli- 
mate, i. 156, 237 ; difference of 
stature among the, i. 115; mode of 
life of the, i. 246 ; resemblance of, 
in mental characters, to Europeans, 
i. 232 ; aversion of, to hair on the 
face, ii. 348 ; said to admire 
European women, ii. 351. 
FuLGORiDiE, songs of the, i. 351. 
Fur, whiteness of, in arctic animals, 
in winter, i. 282. 
Fur-bearing animals, acquired sa- 
gacity of, i. 50. 
G. 
Gallicrex, sexual difference in the 
colour of the irides in, ii. 128. 
Gallicrex cristatus, red caruncle 
occurring in the male during the 
breeding-season, ii. 80. 
GALLiNACEiE, frequency of poly- 
gamous habits and of sexual dif- 
ferences in the, i. 269 ; love- 
gestures of, ii. 68 ; decomposed 
feathers in, ii. 74; stripes of young, 
ii. 184; comparative sexual differ- 
ences between the species of, ii. 
192, 194; plumage of, ii. 195. 
Gallinaceous birds, weapons of the 
male, ii. 44 ; racket-shaped fea- 
thers on the heads of, ii. 73. 
Gallinula chloropus, pugnacity of 
male, ii. 40. 
Gallinula, cristata, pugnacity of the 
male, ii. 41. 
Galloperdix^ spurs of, ii. 46 ; de- 
velopment of spurs in the female, 
ii. 162. 
Gallophasis, young of, ii. 190. 
Gallus hankiva, ii. 158 ; neck-hackles 
of, ii. 84. 
Gallus Stanleyi, pugnacity of the 
male, ii. 44. 
Galls, i. 152. 
Galton, Mr., on the struggle between 
the social and personal impulses, i. 
104 ; on hereditary genius, i. Ill ; 
on the effects of natural selection 
