496 



GENERAL ZOOLOGY 



Tibialis posticus muscle, 83 

 Tibicen, 430 

 Tibiofibula, 69 

 Tibiotarsal, 72 

 Toad, 331, 338, 449 

 Tokophrya, 384 

 Tongue, 93 

 Torpedo, 331, 332, 447 

 Trachea, 210, 426 

 Tracheal system, 426 

 Trachydemus, 411 

 Transverse colon, 102 

 Transverse iliac vein, 36 

 Transverse process, 60 

 Trematodes, 400 

 Trepang, 440 

 Treviranus, G. R., 1 

 Triceps brachii muscle, 78 

 Triceps femoris muscle, 81 

 Trichinella, 406, 407 

 Trichocyst, 380 

 Tricladida, 400 

 Tricuspid valve, 131 

 Trigeminal nerve, 179 

 Trinomial nomenclature, 24 

 Tristearin, 114 

 Tristoma, 402 

 Trochelminthes, 409 

 Trochlear nerve, 179 

 Trochophore larva, 146 

 Trombicula, 423 

 Trout, 449 



Truncus arteriosus, 124-126 

 Truncus impar, 124 

 Trutta, 448, 449 

 Trypanosoma, 369, 370 

 Trypoxylon, 432 

 Trypsin, 33, 106 

 Trypsinogen, 106 

 Tsetse fly, 431 

 Tubectomy, 289 

 Tuberculosis, 288 

 Tuberculum prelinguale, 30, 35 



TUBULIDENTATA, 455 



Tunica muscularis, 94 

 Ttjnicata, 441, 442 

 Turbellaria, 399, 401 

 Turtles, 452 



Twixt brain, 175 

 Tympanic cavity, 29 

 Tympanic membrane, 29, 256 

 Typhlosole, 146 

 Typhlotriton, 327 



U 



Ulna, 70 



Ulnare, 69 



Umbilical cord, 162 



Uncinate process, 65 



Unguligrade, 71 



Unity of the organism, 20 



Urea, 8, 116 



Ureter, 39 



Urethra, 151 



Urine, 117 



Uriniferous tubule, 148, 149 



Urinogenital organs, 160 



Urodela, 450 



Urostyle, 39 



Uterus, 39, 163, 423 



Utriculus, 199 



Vacuoles, 368 



Vagus nerve, 179 



Valves, 100, 101, 124, 131, 133 



Variation, 291, 315-317 



Vas deferens, 157, 289 



Vasectomy, 289 



Vas efferens, 39, 159 



Vastus externus muscle, 81 



Vastus internus muscle, 81 



Veins, 36, 121, 130, 133, 142 



Veliger larva, 433 



Ventral nerve cord, 173 



Venus, 434 



Vermiform appendix, 102 



Vertebra, 61, 63, 64 



Vertebral column, 60 



Vertebrata, 444 



Vespa, 432 



Vestibulum, 201 



Villus, 116 



Virus, 290 



