1 



482 



TRITON 



INDEX. 



VAKI ABILITY 



Triton, breeding in the branchiferous 



stage, ii. 384. 

 " Trommel-Taubk," i. 154. 

 " Tronfo " pigeon, i. 144. 

 Tropxolum, ii. 38. 

 Tropseolum minus and majus, reversion in 



hybrids of, i. 392. 

 Troubetzkoy, Prince, experiments with 



pear-trees at Moscow, ii. 307. 



Trousseau, Prof., pathological resem- 

 blance of twins, ii. 252. 



Trumpeter pigeon, i. 154 ; known in 



1735, i. 207. 

 Tsoharner, H. A. cle, graft-hybrid pro- 

 duced by inosculation in the vine, i. 



395. 

 Tschudi, on the naked Peruvian dog, i. 



23 ; extinct varieties of maize from 



Peruvian tombs, i. 320, ii. 425. 

 Tubers, bud-variation by, i. 384-385. 

 Tuceerman, Mr., sterility of Carex rigida, 



ii. 170. 



* 



Tufted ducks, i. 281. 



Tulips, variability of, i. 370 ; bud-varia- 

 tion in, i. 385-386 ; influence of soil in 

 "breaking," i. 385. 



Tumbler pigeon, i. 150-153 ; short-faced, 

 figured, i. 152; skull figured, i. 163; 

 lower jaw figured, i. 165 ; scapula and 

 furcula figured, i. 167 ; early known in 

 India, i. 207 ; history of, i. 209 ; sub- 

 breeds of, i. 220 ; young unable to 

 break the egg-shell, ii. 226 ; probable 

 further modification of, ii. 242. 



" Tummler " (pigeons), i. 150. 



Tumours, ovarian, occurrence of hairs 

 and teeth in, ii. 370 ; polypoid, origin 



of, ii. 381. 



" Turkische Taube," i. 139. 



Turbit (pigeon), i. 148. 



Turkey, domestic, origin of, i. 292-293 ; 

 crossing of with North American wild 

 Turkey, i. 292-293 ; breeds of, i. 293 ; 

 crested white cock, i. 293 ; wild, cha- 

 racters of, i. 293-294 ; degeneration of, 

 in India, i. 294, ii. 278 ; failure of egg* 

 of, in Delhi, ii. 161 ; feral on the Parana, 

 i. 190 ; change produced in by domesti- 

 cation, ii. 262. 



Turkey, striped young pigs in, i. 76. 



Turner (pigeon), i. 156. 



Turner, W., on compensation in arteries 



and veins, ii. 300 ; on cells, ii. 370. 

 Turnips, origin of, i. 325 ; reversion in, 



ii. 31 ; run wild, ii. 33 ; crosses of, n. 



93, 96 ; Swedish, preferred by hares, ii. 



232; acclimatisation of, in India, ii. 



311. 



Turnspit, on an Egyptian monument, i. 



17 ; crosses of the, ii. 92. 

 Turtle-dove, white and coloured, cross- 

 ing of, ii. 92. 



Turtur auritus, hybrids of, with T. cam- 

 bayensis and T. suratensis i. 194. 



Turtur risorius, crossing of, with the 

 common pigeon, i. 193; hybrid of, witli 

 T. vulgaris, ibid. 



Turtur suratensis, sterile hybrids of, with 

 T. vulgaris, i. 193 ; hybrids of, with 

 T. auritus, i. 194. 



Turtur vulgaris, crossing of, with the 

 common pigeon, i. 193; hybrid of, 

 with T. risorius, ibid.; sterile hybrids 

 of, with T. suratensis and Ectopistes 

 migratorius, ibid. 



Tusks of wild and domesticated pigs, i. 



76, 77. 



Mf 



Twin-seed of Fuchsia eoccinea &i\dfulgens, 

 i. 391. 



Tyerman, B., on the pigs of the Pacific 

 islands, i. 70, ii. 87 ; on the dogs of the 

 Pacific islands, ii. 87. 



Tylor, Mr., on the prohibition of con- 

 sanguineous marriages, ii. 122-123. 



Udders, development of the, ii. 300. 



Ulex, double-flowered, ii. 167. 



Ulmus campestris and effma, hybrids of, 



ii. 130. 

 Uniformity of character, maintained by 



crossing, ii. 85-90. 



Units of the body, functional independ- 

 ence of the, ii. 368-371. ^ 



Unity or plurality of origin of organisms, 



i. 13. 



Upas poison, ii. 380. 



Urea, secretion of, ii. 380. 



Use and disuse of parts, effects of, ii. 295- 

 303, 352-353, 418-419; in rabbits, i. 

 124-128 ; in ducks, i. 284-286. 



Utility, considerations of, leading to uni- 

 formity, ii. 241. 



Valentin, experimental production of 



double monsters by, ii. 340. 

 Vallota, ii. 139. 

 Van Beck, Barbara, a hairy-faced woman, 



ii. 4. 

 Van Mons on wild fruit-trees, i. 312, ii. 

 260; production of varieties of the 

 vine, i. 333 ; correlated variability in 

 fruit - trees, ii. 330 ; production of 

 almond-like fruit by peach-seedlings, i. 



339. 



Vanessa, species of, not copulating in cap- 

 tivity, ii. 157. 



Variability, i. 4, ii. 371-373, 394-397, 

 406-420 ; causes of, ii. 250-270 ; corre- 

 lated, ii. 319-338, 353-355, 419-420; 

 law of equable, ii. 351-352 ; necessity 

 of, for selection, ii. 192 ; of selected cha- 

 racters, ii. 238-239 ; of multiple homo- 

 logous parts, ii. 342. 



- 







