766 



INDEX 



Tetrapoda, 547 

 Texas fever, 223 

 Thalamencephalon, 471, 608 



of dogfish, 336 



of frog, 386 



of pigeon, 415 



of rabbit, 461 

 Thalami, 387, 461 

 Thecla, 256 



Therapsida, 578, 588, 601 

 Thigh, 41S 

 Thoracic duct, 526 



vertebras, 424 

 Thorax of cockroach, 228 



of crayfish, ig6 



of rabbit, 420, 446 

 Thrips, 254 

 Thrombocytes, 525 

 Thumb, 418 

 Thylacinns, 495 

 Thymol, 140 

 Thymus of dogfish, 344 



of frog, 367 



of rabbit, 421, 445 

 Thyroid gland, 510 



effect of secretion of, 349, 367, 

 470 



of dogfish, 327 



of frog, 367 



of rabbit, 445 

 Thyroxine, 470, 679 

 Thysanoptera, 254 

 Thysanura, 249 

 TibiotarsQS, 406 

 Ticks, 223 

 Tipulidce, 260 

 Tissue, 77, 504 



adipose or fatty, 516 



areolar, 514 



connective, 514 



epithelial, 506 



fibrous, 516 



tymphoid, 526 



mechanical, 509 



muscular, 520 



nervous, 511 



reticular, 518, 526 



skeletal, 517 

 Tissue culture, 504 

 Toad, 549, crawling, 362 

 Toes, 418 

 Tongue, 593 



of frog, 363 



of pigeon, 406 



of rabbit, 439, 470 

 Tonsil of rabbit, 439 

 Torsion, in snails, 266 

 Tortoises, 550, 578 



Trabecules of skull, 573 

 Trachea, 509, 516 



of pigeon, 408 



of rabbit, 446 

 Tracheae, 322 



of cockroach, 234 

 Tracheoles of cockroach, 234, 235 

 Transverse processes of vertebrae, 



423. See Vertebrae 

 Tree-shrews, 478 

 Trematoda, 118, 132, 152 

 Trench fever, 253 

 Treponema, 253 

 Trichinella, 145, 149, 154, 156 

 Trichocephalus, 145 

 Trichocysts, 47, 48 

 Trichomonas, 79 

 Trichoptera, 254 

 Trichuris, 146 

 Tricladida, 132 

 Tricuspid valve, 448 

 Trilobita, 219 



Triploblastica, iii, 187, 624 

 Triton, 548, 601, 678 

 Triturus, 548 

 Tritylodon, 713 

 Trivial name, 25, 707 

 Trochlea, 358, 435 

 Trochophore, 178, 283 

 Trochosphere, 178, 183 

 Trogiuni, 250 



Troglodytes troglodytes, 714 

 Trophoblast, 664 

 Trophozoite, 44, 77 

 Tropybasic, 574 

 Trout, 546 



Truncus arteriosus, 369 

 Trunk of frog, 346 

 Trypanosoma, 6^, 79 



brucei, 68, 152 



criizi, 69 



equinum, 68 



equiperdum, 156 



evansi, 156 



gambiense, 66, 67 



rhodesiense, 68 

 Trypsin, 444 

 Tr^^psinogen, 444 

 Tryptophane, 8 

 Tsetse flies, 68, 256 

 Tuatara. See Sphenodon 

 Tube feet, 288, 291 

 Tuberculum, or tubercle, of rib, 



425 

 Tubularia, iii 



Tubules, of kidney, 378, 455, 539 



seminiferous, 541 



Tunicata, 310, 675 



