294 
Tissues—continued. 
nervous, 37 
skeletal, 27 
Tongue, 243, 246 
Tonsil. 246 
Trachea, 85, 239, 263 
Tracts, respiratory, see Respiratory System. 
Triceps muscles, 35 
Trunk, divisions of, 176 
skeleton, 51, 118 
Trunks, lymphatic, 91 
sympathetic,see Nervous System, Ganglia. 
Tube, auditory, 82, 113, 147, 247 
digestive, see Digestive System. 
neural, 49, 70 
uterine, 200 
Tubules of kidney, 93 
Tunics of digestive tube, mucous, 21, 186 
muscular, 34 
serous, 186 
of stomach, 186 
Turbinated bones, 138 
Tympanic cavity, 131, 147, 254 
membrane, 254 
Ulna, 162 
Unicellular glands, 22 
organisms, 20 
Unipennate muscles, 35 
Ureter, 93, 195; epicystic position of, 93 
Urethra, 92, 196 
Urinary organs, 92, 194 
Urinogenital aperture, 177 
sinus, 92 
system, 92, 194 
Uterine tube, 200 
Uterus, 200; types of, 98 

INDEX. 
Vagina, 97, 201 
Vasomotor nerves, 62 
Vascular system, 87 
asymmetry in, 90 
See Arteries, Bloodvessels, Veins. 
Veins, trunk, caval, inferior, 183, 204, 260 
superior, 257, 260 
hypogastric, iliac, 204 
jugular, external, 237; internal, 239 
portal, 188 
renal, 195 
spermatic, 198, 200 
Ventricles of brain, 70, 274, 278, 280, 281 
of heart, 87, 260 
Vermiform process, 191 
Vertebral column, 51, 118 
Vertebrates, characters of, 17, 51 
terrestrial, 16 
organ systems in, 46 
Vesicle, seminal, 199 
Vestibulum, 92, 201 
Visceral arches, 56, 57 
nerves, 38 
cranium, 56, 58 
organs, 98 
peritoneum, 181 
Vocal folds, 248 
Voluntary muscles, 34 
Vulva, 177 
White fibres of connective tissue, 25 
White substance of nervous system, 39 
Wild rabbits, species of, 14 
Wrist, bones of, 164 
Yellow fibres of connective tissue, 25 
Zoological position of rabbit, 14 
