WHITBY. 



INDEX. 



YAKS. 



485 



\ 



vantage of change of soil to, ii. 146 ; 

 differences of, in various parts of India, 

 ii. 165 ; continuous variation in, ii. 

 200 ; red, hardiness of, ii. 229, 336 ; 

 Fenton, ii. 232 ; natural selection in, 

 ii. 233; varieties of, found wild, ii. 

 260 ; effects of change of climate on, ii. 

 307 ; ancient variety of, ii. 429. 



Whitby, Mrs., on the markings of silk- 

 worms, i. 302 ; on the silkmoth, i. 303. 



White, Mr., reproduction of supernume- 

 rary digits after amputation, ii. 14 ; 

 time occupied in the blending of 

 crossed races, ii. 87. 



White, Gilbert, vegetable diet of dogs, ii. 

 303. 



White and white-spotted animals, lia- 

 bility of, to disease, ii. 336-337. 



White flowers, most truly reproduced by 

 seed, ii. 20. 



Wichuka, Max, on hybrid willows, ii. 50, 

 131, 267 ; analogy between the pollen 

 of old-cultivated plants, and of hybrids, 

 ii. 268. 



Wicking, Mr., inheritance of the primary 

 characters of Columba lima in cross- 

 bred pigeons, i. 201 ; production of a 

 white head in almond tumblers, ii. 

 199. 



Wicksted, Mr., on cases of individual 

 sterility, ii. 162. 



Wiegmann, spontaneous crossing of blue 

 and white peas, i. 397 ; crossing of 

 varieties of cabbage, ii. 130 ; on conta- 

 bescence, ii. 165. 



Wight, Dr., sexual sterility of plants pro- 

 pagated by buds, &c, ii. 169. 



Wilde, Sir W. K., occurrence of Bos fron- 

 tosus and longifrons in Irish crannoges, 

 i. 81 ; attention paid to breeds of 

 animals by the ancient Irish, ii. 203. 



Wildmak, on the dahlia, ii. 216, 273. 



Wildness of the progeny of crossed tame 

 animals, ii. 44-46. 



Wilkes, Capt., on the taming of pigeons 

 among the Polynesians, ii. 161. 



Wilkinson, J., on crossed cattle, ii. 104. 



Williams, Mr., change of plumage in a 

 Hamburgh hen, i. 258. 



Williams, Mr., intercrossing of straw- 

 berries, i. 352. 



Williamson, Capt., degeneration of dogs 

 in India, i. 37 ; on small Indian asses 

 i. 62. 



Williamson, Eev. W., doubling of Ane- 

 mone coronaria by selection, ii. 200. 



Willows, weeping, i. 361 ; reversion of 

 spiral-leaved weeping, i. 383; hybrids 

 of, ii. 267 ; galls of, ii. 282-283. 



Willoughby, F., notice of spot pigeons, i. 

 156; on a fantail pigeon, i. 208; 'on 

 tumbler pigeons, i. 209 ; on the turbit, 



i. 209 ; on the barb and carrier pigeons, 

 i. 211 ; on the Look-billed duck, i. 277. 



Wilmot, Mr., on a crested white Turkey 

 cock, i. 293; reversion of sheep in 

 colour, ii. 30. 



Wilson, B. O., fertility of hybrids of 

 humped and ordinary cattle in Tas- 

 mania, i. 83. 



Wilson, Dr. prepotency of the Manx over 

 the common cat, ii. 66. 



Wilson, James, origin of dogs, i. 16. 



Wilson, Mr., on prepotency of transmis- 

 sion in sheep, ii. 69; on the breeding 

 of bulls, ii. 196. 



Wings, proportionate length of, in different 

 breeds of pigeons, i. 175-176 ; of fowls, 

 effects of disuse on, i. 270-272 ; charac- 

 ters and variations of, in ducks, i. 284- 

 286 ; diminution of, in birds of small 

 islands, i. 286-287. 



Wing-eeathers, number of, in pigeons, i. 

 159 ; variability of, in fowls, i. 258. 



Wolf, recent existence of, in Ireland, i. 

 16; barking of young, i. 27; hybrids 

 of, with the dog, i. 32. 



Wolf-dog, black, of Florida, i. 22. 



Wolves, North American, their resem- 

 blance to dogs of the same region, i. 

 21-22; burrowing of, i. 27. 



Woodbury, Mr., crossing of the Ligurian 

 and common hive bees, i. 299, ii. 126; 

 variability of bees, i. 298. 



Woodward,S.P. on Arctic Mollusca, ii. 256. 



Wood, Willoughby, on Mr. Bates' cattle, 

 ii. 118. 



Wooler, W. A., on the young of the 

 Himalayan rabbit, i. 109 ; persistency 

 of the coloured calyx in a crossed 

 Polyanthus, i. 365. 



Worrara poison, ii. 380. 



Wounds, healing of, ii. 294. 



Wright, J. production of crippled calves 

 by shorthorned cattle, ii. 118; on selec- 

 tion in cattle, ii. 194; effect of close 

 interbreeding on pigs, ii. 121-122; 

 deterioration of game cocks by close 

 interbreeding, ii. 124. 



Wright, Strethill, on the development 

 of the hydroida, ii. 368. 



Wyman, Dr., on Niata cattle, and on a 

 similar malformation in the codfish, i. 

 89 ; on Virginian pigs, ii. 227. 



Xenophon, on the colours of hunting 



dogs, ii. 209. 

 Ximenes, Cardinal, regulations for the 



selection of rams, ii. 204. 



"Yahoo," the name of the pigeon in 



Persia, i. 155. 

 Yaks, domestication of, i. 82 ; selection 



of white-tailed, ii. 206, 209. 



