INDEX. 



683 



Turkey, wild, pugnacity of young 

 male, 366 ; wild, notes of the, 375 ; 

 swelling of the wattles of the male, 

 383 ; variety of, with a top-knot, 

 384; recognition of a dog by a, 412 ; 

 m.-ile, wild, acceptable to domesti- 

 CMted females, 418; wild, first ad- 

 vances made by older females, 419 ; 

 wild, breast-tuft of bristles of the, 

 461. 



Inrkey-cock, scraping of the wings 

 of, upon the ground, 375 ; wild, 

 display of plumage by, 394 ; Hght- 

 ing habits of, 404. 



Turner, Prof. W., on muscular fasci- 

 culi in man referable to the pau- 

 uicuius carnosus, 13; on the occur- 

 rence of thesupra-condyloid foramen 

 in the human humerus, 21 ; vn 

 muscles attached to the coccyx in 

 man, 22; on the Jilum terminale in 

 man, 23 ; on the variability of the 

 muscles, 26 ; ou abnormal conditions 

 of the human uterus, 39 ; ou the 

 development of the mammary 

 glands, 162; on male fishes hatch- 

 ing ova in their mouths, 163, 345; 

 on the external perpendicular fissure 

 of the brain, 200 ; on the bridging 

 convolutions in the brain of a chim- 

 panzee, 201. 



TurniXj sexes of some species of, 475 ; 

 480. 



Turtle-dove, cooing of the, 374. 



Tuttle, H., on the number of species 

 of man, 174. 



Tylor, E. B., on emotional cries, ges- 

 tures, &c., of man, 85 ; ou the 

 origin 0^ the belief in spiritual 

 agencies, 94; remorse for violation 

 of tribal usage in marrying, 115; 

 on the primitive barbarism of 

 ci /ilised nations, 143 ; on the origin 

 of counting, 144; inventions of 

 s.ivages, 145; on resemblances, of 

 the mental characters indifferent 

 races of man, 178. 



Type of structure, prevalence of, 164. 



Typhceus, striiiulnliug organs of, 301 ; 

 sti'iiulation "t", 303. 



ry-->nig i cestiva^ 462. 



fwins, tendency to produce, here- 

 ditary, 45. 



Vwste, proportion Kii the .>exes in '^^e 

 348. 



U. 



Ugliness, said to consist in an approach 

 to the lower animals, 584 



[Jmbrella-bird, 373, 



Umbrina, sounds produced by, 347. 



United States, rate of increase in, 44 ; 

 influence of natui'al selection o& 

 the progress of, 142 ; change under- 

 gone by Europeans in the, 196. 



Upupu epopSj sounds produced by the 

 male, 378. 



Uraniida;, coloration of the, 314. 



Wria troile, variety of (= U. lacru- 

 mans), 424. 



Urodela, 348. 



(Irosticte Benjamini, sexual differences 

 in, 442. 



Use and disuse of parts, effects of, 32 , 

 influence of, on the races of man, 

 197. 



Uterus, reversion in the, 38 ; more or 

 less divided, in the human subject, 

 38, 43 ; double, in the early pro- 

 genitors of man, 161. 



V. 



Vaccination, influence of, 134. 



Vancouver island, Mr. Sproat on the 

 savages of, 183; natives of, eradi- 

 cation of facial hair by the, 580. 



Vanelius cristatus, wing tubercles of 

 the male, 366. 



YanesscBj 308 ; resemblance of lower 

 suj'face of, to bark of trees, 31 1, 



Vaiiabiiity, causes of, 28; in man, 

 analogous to that in the lower 

 animals, 29; of the races of mnu, 

 174; greater in men than iii 

 women, 223 ; period of, relation of 

 the, to sexual selection, 240 ; of 

 birds, 422 ; of secondary sexual 

 characters in man, 559. 



Variation, laws of, 29 ; correlated, 

 43; in man, 146; analogous, ]^'^' 

 analogous, in plumage of birda, '6'6o 



Variations, spontaneous, 44. 



Varieties, absence of, between two 

 species, evidence of their distinct- 

 uiisN 167. 



Varit'ty, iin object iu nature, 493. 



V'arii)[a,.(;nnnnunicablc between man 

 and the lower animals, 7. 



