INDEX. 



431 



T. 



Yabanjd.£, habits of, i. 246. 



Tadorna lariegata, sexes and young of, 

 ii. 197. 



Tadorna vulpamer, ii. 109. 



Taiutians, i. 176; compression of the nose 

 by the, ii. 335. 



Tail, rudimentary, occurrence of, in man, 

 i. 29 ; convoluted body in the extremity 

 of the, i. 29 ; absence of, in man and the 

 higher apes, i. 145, 1S7 ; variability of, in 

 species of Macaeus and in baboons, i. 

 144 ; presence of, in the early progenitors 

 of man, i. 19S; length of, in pheasants, ii. 

 149, 157, 15S ; difference of length of the, 

 in the two sexes of birds, ii. 157. 



Tait, Lawson, on the effects of natural se- 

 lection on civilized nations, i. 162. 



Tanagee, scarlet, variation in the male, ii. 

 121. 



Tanagra cestiva, ii. 172; age of mature 

 plumage in, ii. 204. 



Tanagra rubra, ii. 121 ; young of, ii. 210. 



Tanais, absence of mouth in the males of 

 some species of, i. 247 ; relations of the 

 oexes in, i. 307 ; dimorphie males of a 

 species of, i. 319. 



Tankerville, Earl, on the battles of wild- 

 bulls. ii. 229. 



Tanysiptera, races of, determined from 

 adult males, ii. 182. 



Tanysiptera sylvia, long tail-feathers of, 

 ii. 157. 



Taphroderes distort us, enlarged left man- 

 dible of the male, i. 334. 



Tapies, longitudinal stripes of young, ii. 

 176, 288. 



Taesl, dilatation of front, in male beetles, i. 

 333. 



Tarsius, i. 192. 



Tasmania, half-castes killed by the natives 

 of, i. 212. 



Tattooing, i. 224 ; universality of, ii. 323. 



Taste, in the Quadrumana, ii. 2S2. 



Tayloe, G., on Quiscalus major, i. 298. 



Tea, fondness of monkeys for, i. 12. 



Teae-sacs, of Kuminants, ii. 267. 



Teebay, Mr., on .changes of plumage in 

 spangled Hamburg fowls, i. 272. 



Teeth, rudimentary incisor, in Kuminants, 

 i. 17 ; posterior molar, in man, i. 25; wis- 

 dom, i. 26 ; diversity of. i. 104 ; canine, in 

 the early progenitors of man. i. 198 ; ca- 

 nine, of male mammals, ii. 230 ; in man, 

 reduced by correlation, ii. 310 ; staining 

 of the, ii. 323 ; front, knocked out or filed 

 by some savages, ii. 324. 



Tegetmeiee, Mr., on the abundance of 

 male pigeons, i. 296 ; on the wattles of 

 game-cocks, ii. 94 ; on the courtship of 

 fowls, ii. 112 ; on dyed pigeons, ii. 113. 



Tembeta, ii. 325. 



Temper, in dogs and horses, inherited, i. 

 83. 



Tench, proportions of the sexes in the, i. 

 299. 300; brightness of male, during 

 breeding-season, ii. 18 



Tenebeiontd.e, stridulation of. i. 367. 



Tennent, Sir J. E., on the tusks of the 

 Ceylon Elephant, ii. 237, 247; on the fre- 

 quent absence of beard hi the natives of 

 Ceylon, ii. 306 ; on the Chinese opinion of 

 the aspect of the Cingalese, ii. 328. 



Tennyson, A., on the control of thought, 

 i. 91. 



TENTnEEDiNTD.E, proportions of the sexes 

 in. i. 305; fighting habits of male, i. 358; 

 difference of the sexes in, i. 354. 



Tephrodornis, young of, ii. 1S2. 



Teuai, i. 229. 



Termites, habits of, i. 353. 



Teens, white, ii. 218; and black, ii. 220. 



Terns, seasonal change of plumage in, ii. 

 218 



Terror, common action of, upon the lower 

 animals and man, i. 38. 



Testudo nigra, ii. 27. 



Tttrao cupido, battles of, ii. 48; sexual 

 difference in the vocal organs of, ii. 53. 



Tetrao phasianellus, dances of, ii. 65; du- 

 ration of dances of, ii. 96. 



Tetrao Scoticus, ii. 163, 177. 186. 



Tetrao tetrix, ii. 163, 177, 186 ; pugnacity 

 of the male. ii. 42. 



Tetrao umbellus, pairing of, ii. 46 ; battles 

 of, ii. 4S ; drumming of the male, ii. 59. 



Tetrao urogalloides, dances of ii. 96. 



Tetrao urogallus, pugnacity of the male, 

 ii. 42. 



Tetrao urophasianus, inflation of the 

 oesophagus in the male. ii. 55. 



Thamnobia, young of, ii. 1S2. 



Thaumalea picta, display of plumage by 

 the male, ii. 85. 



Thecla, sexual differences of coloring in 

 species of, i. 377. 



Thecla rubi, protective coloring of, i. 3S0. 



Theridion, i. 329 ; stridulation of males 

 of i. 331. 



Theridion lineatum, variability of. i. 328. 



Thomisus citreus, and T. floricolens, dif- 

 ference of color in the sexes of, i. 328. 



Thompson, J. H., on the battles of sperm- 

 whales, ii. 230. 



Thompson, W., on the coloring of the male 

 char during the breeding-season, ii. 14; 

 on the pugnacity of the males of Galli- 

 nula ehloropus, ii. 39; on the finding of 

 new mates by magpies, ii. 99 ; on the 

 finding of new mates by Peregrine fal- 

 cons, ii. 100. 



Thorax, processes of, in male beetles, L 

 357. 



Thorell, T., on the proportion of the 

 sexes in spiders, i. 306. 



Thornback, difference in the teeth of the 

 two sexes of the, ii. 6. 



Thoughts, control of, i. 97. 



Thrush, pairing with a blackbird, ii. 109 ; 

 colors and nidification of the, ii. 162. 



Thrushes, characters of young, ii. 177, 

 257. 



TnuG, his regrets, i. 91. 



Thumb, absence of, in Ateles and Hylo- 

 batef, i. 135. 



