5S6 



INDEX. 



Thetis, ii: 268 

 Thompson, (J. V.) i. 230 

 Thomson, (Allen) ii. 542, 547, 



567 

 Thoracic duct, ii. 97, 202 

 Thorax, i. 357 

 Thorax of insects, i. 288 

 Tliorns, i. 82 

 Thought, ii. 460 

 Threads, elastic, in plants, i. 59 

 Thysanura, i. 266 

 Tibia, i. 360 



Tiedetnann, i. 184; ii. 216 

 Tiger, i. 439; ii. 128, 130,351 

 Tipula, ii. 67 

 Toad, ii. 318 

 Tone, musical, ii. 375 

 Tongue of insects, ii. 110 

 Tongue, strawberry, ii. 352 

 Torpedo, ii. 513 

 Tortoise, i. 41 I ; ii. 250 

 Tortryx, i. 399 

 Toucan, ii. 197, 297, 363 

 Touch, ii. 338 

 Trachea, ii. 287 

 Trachese of insects, ii. 280 

 Tracheae of plants, i. 64 

 Tradescantia, ii. 45 

 Transverse processes, i. 350 

 Trapezius muscle, i. 125 

 Trees, ii. 555 

 Tree-frog, i. 397 

 Trembleij, i. 159; ii. 67, 70, 



83, 427 

 Treviramis, i. 60; ii. 44, 511 

 Trichechus, i. 431 ; ii. 252, 258 

 Trichloptera, i. 295 

 Trichoda, ii. 85 

 Trigla, ii. 498, 500 

 Triouyx, i. 421 

 Tripoh, i. 173 

 Tristoma, ii. 101 

 Triton, i. -25, 398 ; ii. 393 

 Tritonia, ii. 268 

 Trituration of food, ii. 149 

 Trochanter, i. 258 

 Trochilus, ii. 104 

 Tronc alifere, i. 289 

 Tropin, ii. 108 



Trot, actions in, i. 438 



Trout, ii. 179 



Trunk of elephant, i. 459 



Truxalis, ii. 344 



Tuberous roots, ii. 37 



TubicolsB, i. 248 



Tubipora, i. 149 



Tubularia, ii. 215 



Tunicata, ii. 241 



Turbinated bones, ii. 357 



Turbinated shells, i. 195, 216 



Turbo, ii. 113 



Tubular form, i. 334 



Turkey, ii. 154, 361, 395 



Turrited shells, i. 222 



Turritella, i. 222 



Turtle, i. 411 ; ii. 201, 250, 289, 



292, 501 

 Tusks, ii. 126 

 Tympanic bones, ii. 380 

 Tympanic ossicula, ii. 380 

 Tympanic tube, ii. 385 

 Tympanum of ear, ii. 378 

 Type, definite, i. 40 ; ii. 561 

 Tvphlopone, ii. 432 

 Typhlops, i. 398, 399 



Ulna, i. 360 



Undulations, sonorous, ii. 371 



Ungual bone, i. 361 



Unio batava, i. 195 



Unity of design, ii. 560, 562 



Univalve shells, i. 194 



Uranoscopus, ii. 449 



Urchin, sea. See Echinus 



Urtica, ii. 41 



Utricle of labyrinth, ii. 384, 392 



Uvea, ii. 413 



Vacuum a non-conductor of 



sound, ii. 371 

 Valentin, i. 115; ii. 196 

 Valves of lacteals, ii. 201 

 Valves of shells, i. 194 

 Valves of veins, ii. 262 

 Valves of vessels, i. 90 

 Valve in stomach of horse, ii. 



170 

 Vampire bat, ii. 104 



I 



