i. 167;
history of, i. 208;
absence of oil-gland in, ii. 344.
FAROE Islands, pigeons of the, i. 183.
FASHION, influence of, in breeding, ii. 240.
FASTIGATE trees, ii. 277, 348.
FAUNAS, geographical differences, of, i. 10.
"FAVOURITE" bull, ii. 65, 118.
FEATHERS, homologous variation in, ii. 325.
FEET, of pigeons, individual differences of, i. 160;
correlations of external characters in, i. 170-171.
FEET and beak, correlation of, in pigeons, i. 171-174.
FELIDAE, fertility of, in captivity, ii. 150.
_Felis bubastes_, i. 43.
_Felis caffra_, i. 44.
_Felis caligulata_, i. 43.
_Felis chaus_, i. 43-44.
_Felis jubata_, ii. 151.
_Felis lybica_, i. 44.
_Felis maniculata_, i. 43.
_Felis manul_, i. 45.
_Felis ornata_, i. 45.
_Felis sylvestris_, i. 44.
_Felis torquata_, i. 45.
FEMALE, affected by male element, ii. 365, 387-388.
FEMALE flowers, in male panicle of maize, i. 321.
FENNEL, Italian variety of, i. 326.
FERAL cats, i. 47;
cattle, i. 86;
rabbits, i. 111-115;
Guinea fowl, i. 294;
animals and plants, reversion in, ii. 32-34, 47.
FERGUSON, Mr., supposed plurality of origin of domestic fowls, i. 231;
chickens of black game-fowls, i. 244;
relative size of eggs of fowls, i. 248;
yolk of eggs of game-fowls, i. 249;
early pugnacity of game-cocks, i. 250;
voice of the Malay fowl, i. 259;
effects of interbreeding on fowls, ii. 124;
selection in Cochin China fowls, ii. 196;
on fashion in poultry, ii. 240.
FERNANDEZ, on Mexican dogs, i. 23.
FERNS, reproduction of abnormal forms of, by spores, i. 383;
non-diffusion of cell-gemmules in, ii. 379.
FERRETS, ii. 111, 151, 206.
FERTILISATION, artificial, of the St. Valery apple, i. 350.
FERTILITY, various degrees of, in sheep, i. 97;
unlimited mutual, of breeds of pigeons, i. 192-194;
comparative of mongrels and hybrids, ii. 100-101, 178-180;
influence of nourishment on, ii. 111;
diminished by close interbreeding, ii. 118, 175;
reduced, of Chillingham wild cattle, ii. 119;
of domesticated varieties when crossed, ii. 189.
_Festuca_, species of, propagated by bulblets, ii. 170.
FILBERTS, spared by tomtits, ii. 231.
FILIPPI, on the breeding of branchiferous tritons, ii. 384.
FINCHES, general sterility of, in captivity, ii. 154.
FINNIKIN (pigeon), i. 156.
FINNOCHIO, i. 326.
FIR, Scotch, acclimatisation of, ii. 310.