INDEX. 791 



Turdus merula, 513; young of, 554; turdus migratorius, 529; 

 turd u.t musicals, 518; turduft polyylottux, young of, 554; turdas tor- 

 quatus, 518. 



Turkey, wild, pugnacity of young male, 414; wild, notes of the, 

 425; swelling of the wattles of the male, 434; variety of, with a top- 

 luiot, 438; recognition of a dog by a, 468; male, wild, acceptable to 

 domesticated females, 475 ; wild, first advances made by older 

 females, 477; wild, breast-tuft of bristles of the, 525. 



Turkey-cock, scraping of the wings of, upon the ground, 426: 

 wild, display of plumage by, 447; fighting habits of, 458. 



Turner, Prof. W., on muscular fasciculi in man referable to thr. 

 panniculus carnosus, 14; on the occurrence of the supra-coi.dylo'.d 

 foramen in the human humerus, 24; on muscles attached to the 

 coccyx in man, 25; on the filtim teriiiinale in mm, 25; on the varia- 

 bility of the muscles, 30; on abnormal conditions of the human 

 uterus, 43; on the development of the mamn.ary glands, 184; on 

 male fishes hatching ova in their mouths, 185, 391; on the external 

 perpendicular fissure of the brain, 228; on the bridging convolutions 

 in the brain of a chimpanzee, 228. 



Turnix, sexes of some species of, 542, 547. 



Turtle-dove, cooing of the, 425. 



Tuttle, H., on the number of species of man, 199. 



Tylor, E. B., on emotional cries, gestures, etc., of man, 96: on the 

 origin of the belief in spiritual agencies, 106; remorse for violation 

 of tribal usage in marrying, 130; on the primitive barbarism of 

 civilized nations, 162; on the origin of counting, 162; inventions 

 of savages, 161 ; on resemblances, of the mental characters in 

 different races of man, 203. 



Type of structure, prevalence of, 186. 



Typhous, stridulating organs of, 341; stridulation of, 343. 



Twins, tendency to produce, hereditary, 51. 



Twite, proportion of the sexes in the, 281. 



Ugliness, said to consist in an approach to the lower animals, 666. 



Umbrella bird, 423. 



Umbrina, sounds produced by, 394. 



United States, rate of increase in, 50; influence of natural selec- 

 tion on the progress of, 161 ; change undergone by Europeans in 

 the. 223. 



Up it pa epnps, sounds produced by the male, 427. 



Uraniidae. coloration of the, 356. 



Uria troile, variety of (== U. iacrymaris), 483. 



Vrodfla, 394. 



Uronticte Benjamisn, sexual differences in, 502. 



Use and disuse of parts, effects of, 36; influence of, on the races 

 of man, 224. 



Uterus, reversion in the, 43; more or less divided, in the human 

 subject, 43, 48; double, in the early urogenitors of man, 183. 



Vaccination, influence of, 151. 



Vancouver Island, Mr. Sproat on the savages of, 208; natives of, 

 eradication of facial hair by the, 662. 



Vnnellas crixtatus, wing tubercles of the male, 414. 



V'tneastB, 350 ; lesem Glance of lower surface of, to bark of 

 trees, 353. 



