loO 



FALCONS. 



IXDEX. 



FITTEST. 



between Sitaiherium and Xiata cattle, 

 i. 93 ; selection of the silkworm in 

 India, i, 317 ; fastigate apple-trees in 

 Calcutta, i. 385 ; reproduction of a 

 supernumerary thumb after amputa- 

 tion, i. 459 ; fertility of the dhole in 

 captivity, ii. 134; fertility of English 

 dogs in India, ii. 144 ; sterility of the 

 tiger in captivity, ii. 133 ; turkeys at 

 Delhi, ii. 145 ; on Indian cultivated 

 plants, ii. 148 ; Thibet mastiff sad 

 goat, ii. 268. 



Falcons, sterility of, in captivity, ii. 

 137. 



Falkland Islands, horses of the, i. 55, 

 64 ; feral pigs of the, i. 80 ; feral cattle 

 of the, i. 86, 90 ; feral rabbits of the 

 i. 116.' 



Fallow deer. ii. 81, 99. 



Fantail pigeons, i. 153-155. ii. 21?.; 

 figured, i. 156 ; furculum of, figured, 

 i. 176; history of, i. 218; absence of 

 oil-gland in, ii. 336. 



Faroe Islands, pigeons of the, i. 192. 



Fashion, influence of, in breeding, ii. 

 226. 



Fastigate trees, ii. 266, 340. 



Faunas, geographical differences of, i. 

 10. 



" Favourite " bull. ii. 40, 96. 



Feathers, homologous variation in, ii. 

 317. 



Feet, of pigeons, individual differences 

 of, i. 168 •, correlations of external 

 characters in, i. 180. 



Feet and beak, correlation of, in pigeons, 

 i. 180-184. 



Felidje:, fertility of, in captivity, ii. 

 133. 



Felts bubastes, i. 45. 



Ft lis caffra^ i. 46. 



Felts caligulata, i. 45. 



Felts chqus, i. 45-47. 



Felisjubata, ii. 133. 



Felts lybica, i. 46. 



Felis maniculata, i. 45. 



Felis mauiiL i. 47. 



Felis ornati, i. 47. 



Felis sylcestris. i. 46. 



Felis torqu ltd, i. 47. 



Female, affected by male element, ii. 

 361. 82 



Female flowers, in male panicle of 

 maize, i. 339. 



Fenn, Mr., grafting potatoes, i. 421. 



Fennel. Italian variety of, i. 344. 



Feral cats, i. 49 ; cattb, i. 89 ; rabbits, 

 i. 116, 119; Guinea fowl, i. 310; ani- 

 mals and plants, reversion in, ii. 5, 6, 

 no 



Ferguson. Mr., supposed plurality cf 

 origin of domestic fowls, i. 243 ; 

 chickens of black game-fowls, i. 257 ; 

 relative size of eggs of fowls, i. 260 ; 

 yolk of eggs of game-fowls, i. 262 ; 

 early pugnacity of game-cocks, i. 

 263 ; voice of the Malay fowl, i. 272 ; 

 effects of interbreeding on fowls, ii, 

 105; selection in Cochin-China fowls, 

 ii. 180; on fashion in poultry, ii. 226. 



Fernandez, on Mexican dogs, i. 23. 



Ferns, reproduction of abnormal forms 

 of, by spores, i. 408 ; non-diffusion of 

 cell-gemnrales in. ii. 373. 



Ferrets, ii. 90, 134, 190. 



Fertilisation, artificial, of the St. 

 Valery apple, i. 371, 372. 



FERTiLiTr, various degrees of, in sheep, 

 i. 101 ; unlimited mutual, of breeds 

 of pigeons, i. 201-203; comparative, 

 of mongrels and hybrids, ii. 78, 79, 

 162-165 ; influence of nourishment 

 on, ii. 89 ; diminished by close inter- 

 breeding, ii. 96, 159; reduced, of 

 Chillingham wild cattle, ii. 97 ; of 

 domesticated varieties when crossed, 

 ii. 173. 



Ftstuca, species of, propagated by bulb- 

 lets, ii. 154. 



Filberts, spared by tomtits, ii. 216. 



Filippi, on the breeding of branchiferous 

 tritons, ii. 379. 



Finches, general sterility of, in cap- 

 tivity, ii. 137. 



Finnikin (pigeon), i. 1 64. 



Finocchio, i. 344. 



Fir, Scotch, acclimatisation of, ii. 300. 



Fish, Mr., advantage of change of soil 

 to plants, ii. 129. 



Fishes, regeneration of portions of fins 

 of, ii. 15 ; variability of, when kept in 

 tanks, ii. 246 ; marine, living in fresh 

 water, ii. 294; double monsters of, ii. 

 333. 



Fission and gemmation, ii. 351. 



Fitch, Mr., persistency of a variety of 

 the pea, i. 349. 



Fittest, survival of the, i. 6. 



