INDEX. 



431 



T. 



Tabanh)^, habits of; i. 246. 



Tadorna t'arieffata, sexes and young o^ 



u. 197. 

 Tadorna vnlpanser, ii. 109. 

 Tahitians, i. 176 ; compression of the nose 



by the, ii. S35. 

 Tail, rudimentary, occurrence of, in man, 

 i. 29 ; convoluted body in the extremity 

 of the, 1. 29 ; absence of, in man and the 

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

 species of Macacus and in baboons, 1. 

 144 ; presence of, in the early progenitors 

 of man, i. 198; length of, in pheasants, ii. 

 149, 157, 158 ; difference of length of the, 

 in the two sexes of birds, ii. 157. 



Tait, Lawson, on the effects of natural se- 

 lection on ci\'ilized nations, i. 162. 



Tanagee, scai-let, variation in the male, u. 



121. 

 Tanagra ceMiva, ii. 172 ; age of mature 



plumage in, ii. 204. 

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

 Tanais, absence of mouth in the males of 

 some species o^ i. 247; rehtions of the 

 sexes in, i. 307 ; dimorphic males of a 

 species of, i. 319. 



Tankerville, Earl, on the battles of ^vild- 

 bulls, ii. 229. 



Tany»iptera, races of, determined fi-om 

 adult males, ii. 182. 



Tanymptera sylvia, long tail-feathers o£ 

 ii. 157. 



Taphroderes distortiis, enlarged left man- 

 dible of the male, i. 334. 



Tapirs, longitudinal stripes of young, ii. 

 176, 2SS. 



Tarsi, dilatation of fi'ont, in male beetles, i. 

 333. 



Tarsius, i. 192. 



Tasmani.\, half-castes killed by the natives 

 o^ i. 212. 



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



Taste, in the Quadrumana, ii."2S2. 



Taylor, G., on Quiscahis major, i. 298. 



Tea, fondness of monkeys for, i. 12. 



Tear-sacs, of Ruminants, u. 267. 



Teebay, Mr., on changes of plumage in 

 spangled Hamburg fowls, i. 272. 



Teeth, rudimentary incisor, in Ruminants, 

 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. 823; front, knocked out or filed 

 by some savages, ii. 324. 



Teget.meier, Mr., on the abimdance 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. 825. 



Temper, in dogs and horses, mherited, i. 

 38. 



Tench, proportions of the sexes in the, i. 

 299, 800; brightness of male, dm-hig 

 breeding-season, ii. 18. 



TENEBRIONID.E, stridulation of, i. 367. 

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

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

 quent absence of beard in the natives of 

 Ceylon, ii. 306 ; on the Chinese opuiion of 

 the aspect of the Cingalese, ii. 328. 

 Tennyson, A., on the control of thought, 



i. 91. 

 Tentiiredinid.e, proportions of the sexes 

 in, i. 305 ; fighting habits of male, i. 853 ; 

 difference of the sexes in, 1. 354. 

 Tephrodornis, young of, ii. 182. 

 Terai, i. 229. 

 7'ermite,i, habits of, i. 853. 

 Terns, 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. 3S. 

 Tentudo nigra, ii. 27. 

 Tetrao cvpido, battles of^ ii. 48; sexual 



difference in the vocal organs of, ii. 53. 

 Tetrao p/ta.sia»ellus. dances of, ii. 65; du- 

 ration of dances of, ii. 96. 

 Tetrao Seoticus, ii. 163, 177. 1S6. 

 7'etrao tetria; ii. 163, 177, 186 ; pugnacity 



of the male. ii. 42. 

 Tetrao umbellu-s:, pahing of, ii. 46; battles 



of, ii. 48 ; drumming of the male, ii. 59. 

 Tetrao iirogalloides, dances of ii. 96. 

 Tetrao urogallim, pugnacity of the male, 



ii. 42.. 

 Tetrao iirophcwianvs, inflation of the 



oesophagus in the male. ii. 55. 

 Thamnobia, young of h. 182. 

 Thaumalea picta, display of plumage by 



the male, ii. So. 

 Thecla, se.xual differences of coloring in 



species of i. 377. 

 Thecla riibi., protective coloring of, i. 380. 

 Therldion, i. 829 ; stridulation of males 



of, i. 331. 

 Theridion Uneatum, variabihty of i. 828. 

 Tfiomisns citreus, and T. Jioricolens, HiU 



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

 Thompson, J. II., 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 pugnacit}' of the males of Galli- 

 niila ch/oropus, 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, i. 



857. 

 Thorell, T., on the proportion of the 



sexes in spiders, i. 806. 

 Thornback, difference In the teeth of the 



two sexes of the, ii. 6. 

 Thoughts, control of i. 97. 

 TnEusn, pairing with a blackbird, ii. 109 ; 



colors and nidification of the, ii. 162. 

 Thrushes, characters of young, ii. 177, 



257. 

 Thug, his regrets, 1. 91. 

 Thumb, absence of, in Ateles and llijlo- 

 bates, i. 135. 



