CHINCHILLA. 



INDtiX. 



COLOUR. 



441 



of pigeons reared in, i. 216 ; breeds 

 of fowls of, in fifteenth century, i. 

 243, 259. 



Chinchilla, fertility of, in captivity, 

 ii. 135. 



Chinese, selection practised by the, ii. 

 189 ; preference of the, for hornless 

 rams, ii. 194; recognition of the value 

 of native breeds by the, ii. 304. 



Chinese, or Himalayan rabbit, i. 112. 



" Chivos," a breed of cattle in Paraguay, 

 i. 92. 



Choux-raves, i. 342. 



Christ, H., on the plants of the Swiss 

 Lake-dwellings, i. 326, 336 ; interme- 

 diate forms between Pinus sylvestris 

 and montana, i. 387. 



Chrysanthemum, i. 404. 



Chrysotis f estiva, ii. 269. 



Cineraria, effects of selection on the, 

 ii. 184. 



Circassia, horses of, ii. 80. 



Circumcision, i. 467. 



Cirripedes, metagenesis in, ii. 362. 



Cistus, intercrossing and hybrids of, i. 

 356, 459, ii. 122. 



Citrons, i. 355, 356. 



" Citrus aurantium fructu variabili," i. 

 357. 



Citrus decumana, i. 355. 



Citrus lemonum, i. 356. 



Citrus medica, i. 355, 356. 



Clapham, A., bud-variation in the 

 hawthorn, i. 402. 



" Claquant " (pigeons), i. 145. 



" Claquers " (pigeons), i. 164. 



Clark, G., on the wild dogs of Juan de 

 Nova, i. 28 ; on striped Burmese and 

 Javanese ponies, i. 61 ; breeds of 

 goats imported into the Mauritius, i. 

 105 ; variations in the mammae of 

 goats, i. 106 ; bilobed scrotum of 

 Muscat goat, ibid. 



Clark, H. J., on fission and gemmation, 

 ii. 351. 



Clarke, R. T., intercrossing of straw- 

 berries, i. 374. 



Clarke, T., hybridisation of stoiLs, i. 

 429, ii. 71. 



Clarkson, Mr., prize-cultivation of the 



gooseberry, i. 378. 

 Classification, explained by the theory 

 of natural selection, i. 11. 



Cleft palate, inheritance of, i. 466. 



Clemente, on wild vines in Spain, i. 



352. 

 Clermont-tonnerre, on the St. Va- 



itiry apple, i. 432. 

 Climate, effect of, upon breeds of dogs, 



i. 39 ; on horses, i. 55, 56 ; on cattle, 



i. 95, 96 ; on the fleece of sheep, i. 



102, 103 ; on seeds of wheat, i. 333 ; 



on cultivated cabbages, i. 344 ; adap- 

 tation of maize to, i. 341. 

 Climate and pasture, adaptation of 



breeds of sheep to, i. 100. lol. 

 Climate and soil, effects of, upon 



strawberries, i. 375. 

 Cline, Mr., on the skull in horned and 



hornless rams, ii. 327. 

 Clos, on sterility in Ranunculus fxaria, 



ii. 155. 

 Clotzsch, hvbrids of various trees, ii. 



111. 

 Clover, pelorism in, ii. 338. 

 Coate, Mr., on interbreeding pigs, ii. 102. 

 Coccus of apple-trees, ii. 217. 

 Cochin fowls, i. 237, 263, 264, 273, 



274 ; occipital foramen of, figured, i. 



274 ; section of skull of, figured, i. 



277 ; cervical vertebra of, figured, i. 



281. 

 Cochineal, persistence of, ii. 222 ; pre- 

 ference of, for a particular cactus, ii. 



265. 

 Cochlearia amnoracia, ii. 154. 

 Cock, game, natural selection in, ii. 



210; spur of, grafted on the comb, 



ii. 286 ; spur of, inserted into the ear 



of an ox, ii. 365 ; effect of castration 



upon the, ii. 26. 

 Cock's-COMB, varieties of the, i. 389. 

 Cocoons of silkworms, variations in, i. 



319. 

 Codfish, bulldog, i. 93; number ot 



eggs in the, ii. 373. 

 Ccelogenys paca, ii. 135. 

 Colin, prepotency of the ass over the 



horse, ii. 43 ; on cross-breeding, ii. 



75; on change of diet, ii. 293. 

 Collinson, Peter, peach-tree produc- 

 ing a nectarine, i. 361. 

 Coloration in pigeons, an evidence ot 



unity of descent, i. 204-206. 

 Colour, correlation of, in dogs, i. 28, 



29 ; persistence of, in horses, i. 53 ; 



inheritance and diversity of, in 



horses, i. 57 ; variations of, in the 



