INDEX 



Topknots in birds, 498. 



Tortoise, voice of the male, during the 

 season of love, T30. 



Tortures, submitted to by American 

 savages, 161. 



Tolanus, double moult in, 504. 



Toucans, colors and nidification of the, 

 6S7 ; bealss and ceres of the, 635. 



Towns, residence in, a cause of dimin- 

 ished stature, 53. 



Toynbee, J., on the external shell of 

 the ear in man, 32. 



Trachea, convoluted and imbedded in 

 the sternum, in some birds, 485; 

 structure of the, in Ehynchaea, 

 614. 



Trades, affecting the form of the skull, 

 82. 



Tragelaphus, sexual differences of color 

 in, 692. 



scriptus, dorsal crest of, 686; 



markings of, 701-702. 



Tragopan, 290; swelling of the wattles 

 of the male, during courtship, 496; 

 display of plumage by the male, 513 ; 

 markings of the sexes of the, 554. 



Tragops dispar, sexual difference in the 

 color of, 457. 



Training, effect of, on the mental dif- 

 ference between the sexes of man, 

 727-728. 



Transfer of male characters to female 

 birds, 606. 



Transmission, equal, of ornamental 

 characters, to both sexes in mam- 

 mals, 699. 



Traps, avoidance of, by animals, 113; 

 use of, 73. 



Treachery, to comrades, avoidance of, 

 by savages, 151. 



Tremex columbse, 383. 



Tribes, extinct, 173-174; extinction of, 

 242-243. 



Trichius, difference of color in the sexes 

 of a species of, 386. 



Trigla, 451. 



Trimen, R., on the proportion of the 

 sexes in South African butterflies, 

 330-331 ; on the atlraction of males 

 by the female of Lasiocampa quercus, 

 333 ; on Pneumora, 377 ; on differ- 

 ence of color in the sexes of beetles, 

 386 ; on moths brilliantly colored be- 

 neath, 411; on mimicry In butter- 

 flies, 423 ; on Gynanisa Isis, and on 



the ocellated spots of Lepidoptera, 

 552; on Cyllo Leda, 552. 



Tringa, sexes and young of, 626. 



. cornuta, 505. 



Tripheena, coloration of the species of, 

 409. 



Tristram, H. B., on unhealthy districts 

 in North Africa, 257 ; on the habits 

 of the chaffinch in Palestine, 327; 

 on the birds of the Sahara, 588 ; on 

 the animals inhabiting the Sahara, 

 632. 



Triton cristatus, 453. 



palmipes, 453. 



punctatus, 453. 



Troglodyte skulls, greater than those 

 of modern Frenchmen, 81. 



Troglodytes vulgaris, 611. 



Trogons, colors and nidification of the, 

 587-588. 



Tropic birds, white only when mature, 

 635. 



Tropics, fresh-water fishes of the, 447. 



Trout, proportion of the sexes in, 328- 

 329 ; male, pugnacity of the, 433. 



Trox sabulosus, stridulation of, 396. 



Truth, not rare between members of 

 the same tribe, .160; more highly 

 appreciated by certain tribes, 165. 



Tulloch, Major, on the immunity of the 

 negro from certain fevers, 257-258. 



Tumbler, almond, change of plumage 

 in the, 313. 



Turdus morula, 586 ; young of, 628. 



migratorius, 599. 



musicus, 587. 



polyglottus, young of, 628. 



torquatus, 587. 



Turkey, wild, pugnacity of young male, 

 475; wild notes of the, 486; swell- 

 ing of the wattles of the male, 495 ; 

 variety of, with a topknot, 498 ; rec- 

 ognition of a dog by a, 532 ; male, 

 wild, acceptable to domesticated fe- 

 males, 640 ; wild, first advances made 

 by older females, 542 ; wild, breast- 

 tuft of bristles of the, 695. 



Turkey-cock, scraping of the wings of, 

 upon the ground, 486 ; wild, display 

 of plumage by, 510 ; fighting habits 

 of, 621. 



Turner, Prof. W. m muscular faciculi 

 in man referabre to the panniculus 

 carnosus, 30; on the occurrence of 

 the supra-condyloid foramen in the 



