INDEX. 



WILLIAMS. 



49; 



Webe"5, effect of the shape of the 

 mother's pelvis on her child's head, 

 ii. 336. 



Wedderburn, Mr., correlation of 

 teeth and hair, ii. 319. 



Weeds, supposed necessity for their 

 modification, coincidently with culti- 

 vated plants, i. 335. 



Weeping varieties of trees, i. 385. 



Weeping habit of trees, capricious in- 

 heritance of, i. 461, 462. 



Weevil, injury done to stone-fruit by, 

 in North America, ii. 217. 



Weijenbergh, on parthenogenesis, ii. 

 356. 



Weir, H., large litter of pigs, ii. 90. 



Weir, Jenner, on the japanned pea- 

 cock, i. 306 ; mare and quagga, i. 

 435 ; wildness of mule siskins, ii. 20. 



Weismann, Prof., reversion from un- 

 natural conditions, ii. 25 ; isolation, 

 ii. 262 ; dimorphic butterflies, ii. 

 271 ; causes of variability, ii. '282. 



Welsh cattle, descended from Bos longx 

 frons, i. 85. 



West Indies, fei-al pigs of, i. 80 ; effect 

 of climate of, upon sheep, i. 102. 



Western, Lord, change effected by, in 

 pigs, i. 82, 101 ; in the sheep, ii. 182. 



Westphalia, striped young pigs in, i. 

 80. 



Westwood, J. O., on peloric flowers of 

 Calceolaria, ii. 338. 



Wetherell, Mr., on inheritance of 

 mutilations, i. 466. 



WHATELT, Archbishop, on grafting 

 early and late thorns, i. 386. 



Wheat, specific unity or diversity of, 

 i. 329, 330, 334, 335 ; Hasora, i. 335 ; 

 presence or absence of barbs in, i. 

 331 ; Godron on variations in, ibid. ; 

 varieties of, i. 331, 332 ; effects of 

 soil and climate on, i. 333 ; deteriora- 

 tion of, i. 334 ; crossing of varieties of, 

 ibid., ii. 74, 83, 110; in the Swiss 

 lake-dwellings, i. 335-337 ; selection 

 applied to, i. 336, ii. 184 ; increased 

 fertility of hybrids of, with JEgilops, 

 ii. 88 ; advantage of change of 

 soil to, ii. 128 ; differences of, in 

 various parts of India, ii. 149 ; con- 

 tinuous variation in, ii. 184; red, 

 hardiness of, ii. 215, 330; Fenton, 



43 



ii. 218; natural selection in, ibid. , 

 varieties of, found wild, ii. 248 ; 

 effects of change of climate on, ii. 

 297 ; ancient variety of, ii. 425. 



Whitby, Mrs., on the markings of 

 silkworms, i. 318; on the silk-moth, 

 i. 319. 



White, Mr., reproduction of supernu- 

 merary digits after amputation, i. 

 459 ; time occupied in the blending 

 of crossed races, ii. 64. 



White, Gilbert, vegetable diet of doo-s, 

 ii. 293. 



White and white-spotted animals, lia- 

 bility of, to disease, ii. 330, 331. 



White flowers, most truly reproduced 

 by seed, i. 463. 



Wichura, Max, on hybrid willows, ii. 

 25, 111, 255; analogy between the 

 pollen of old-cultivated plants and 

 of hybrids, ii. 256. 



WiCKiNG, Mr., inheritance of the pri- 

 mary characters of Columba Kvia in 

 cross-bred pigeons, i. 210 ; production 

 of a white head in almond tumblers, 

 ii. 183. 



Wicksted, Mr., on cases of individual 

 sterility, ii. 146. 



Wiegmann, spontaneous crossing of 

 blue and white peas, i. 428 ; crossing 

 of varieties of cabbage, ii. 110; on 

 contabescence, ii. 149. 



Wight, Dr.. sexual sterility of plants 

 propagated by buds, &c, ii. 153. 



Wilckens, Dr., effect of previous im- 

 pregnation, i. 436 ; alpine breeds, ii. 

 290; drooping ears, ii. 291 ; correla- 

 tion of hair and horns, ii. 318. 



Wilde, Sir W. P., occurrence of Bos 

 frontosus and longifrons in Irish cran- 

 noges, i. 85 ; attention paid to breeds 

 of animals by the ancient Irish, ii. 

 187. 



Wilder, Dr. B., on the brain of dogs, 

 i. 35 ; supernumerary digits, i. 457. 



Wildman, on the dahlia, ii. 201, 263. 



Wildness of the progeny of crossed 

 tame animals, ii. 19, 20. 



Wilkes, Capt., on the taming of pi- 

 geons among the Polynesians, ii. 144. 



Wilkinson. J., on crossed cattle, ii. 82. 



Williams, Mr., change of plumage in 

 a Hamburgh hen, i. 270. 



