INDEX. 



357 



Trachea, 61, 144 



Trachea? of insects, 213, 215 



Transverse process, 45. 12S 



Tree-hoppers, 197 



Trematodes, 243 



Trichechus, 114 



Trichina, 245 



Trichinosis, 246 



Trigeniinal nerve, 136 



Trilobites, 211 



Trochanter, 171 



Trochlearis nerve, 136 



Troglodytes, 124 



Tropic birds, 80 



Trout, 25 



Tube-feet, 278 



Tumble-bug, 186 



Tunicata, 156 



Turbellaria, 243 



Turbot, 28 



Turkey, 78 



Turtle, dissection of, 56 



Turtles, 69 



Twixt-brain, 135 



Tympanic membrane, 138, 170 



Ulna, 134 

 Umbo, 248 

 Uncinate process, 74 

 Ungulata, 115 

 Ureter, 89 

 Urinary bladder, 41 

 Urodela, 52 

 Urostyle, 45 



Vagus nerve, 19, 136 

 Valve, spinal, 18 

 Valves, 248 

 Veins, 88-91 

 Velum, 306 

 Venous blood, 148 

 Venous sinus, 13 

 Ventral aorta, 146 

 Ventral blood-vessel, 237 

 Ventral cord, 161 

 Ventral root of nerve, 43 

 Ventric e of heart, 145 

 Ventricles of brain, 135 



Venus, 262 

 Vermes, 242, 320 

 Vertebra, 14, 128 

 Vertebrata, 127 

 Vestibule, 16 

 Villi, 142 

 Vinegar- eels, 245 

 Visceral mass, 269 

 Visceral skeleton, 127, 131 

 Vital force, 339 

 Vitreous humor, 140 

 Vocal cords, 93 

 Vultures, 81 



Wading-birds, 80 



Walking-stick, 183 



Walrus, 121 



Warblers, 84 



Wasps, 190 



Water-beetles, 185 



Water-vascular system, 284, 286 



Weasel, 121 



Weevil, 187 



Whalebone, 112 



Whales, 111 



White ants, 219 



Whitefish, 25 



White matter of brain, 99 



Wickersheimer's fluid, 342 



Wild-boar, 117 



Wildcat, 121 



Wilson's snipe, 80 



Wing-covers, 60 



Wish bone, 75, 134 



Wire worms, 186 



Woodchuck, 109 



Wood-duck, 79 



Woodpeckers, 82 



Wolf, 121 



Wombat, 104 



Worm, thousand footed, 233 



Worms, 242 



Wren, 83 



Wrigglers, 225 



Zebra, 117 

 Zooids, 299 



