512 



INDEX 



Urochorda 140,142 



see Ascidian, Tunicates. 

 Urodela 152 



VANE 346 



Vanessa 115, 78 



Variation 427,454 



Vegetative life 242 



Vegetative repetition 220 



Veins 309, 865 



Veliger of snail 422, 378 



Velum 423 



Velutina, odontophore of 287 



Vena cava 309 



Venous valves 864 



Venus . . . * 127 



Vermes ,. . 82, 433 



see Earthworm, Worm. 



Vertebra 848, 352, 304 



Vertebrata .... 50, 138, 140, 144, 417 



absorbent system of 298 



blood of 301 



brain of 380 



circulation in 813, 118 



deglutition in 274 



exoskeleton of 343 



eye of 393 



liver of 331 



mouth of 262 



muscle of 365, 366 



nervous system of .... 139, 379 



number of 433 



optic nerve of 391, 395 



organ of hearing of 389 



respiration in 324, 325, 326 



teeth of 346 



see Bird, Crocodile, Fish, Frog, Mam- 

 malia, Reptilia. 



Vespa 119 



Vespertilio 184 



Vestibule 390 



Villi 293,298 



Vinegar eel 84 



Viper 155, 134 



Vireo . 168 



Vitality 225 



Vitelline membrane .... 403,404 



Vitreous humor 393, 394 



Viviparous 140 



Voices of animals 399 



Volute 129, 1O1 



Volvox 60 



Vorticella 63, 407, 11' 



Vulpes pennsylvanicus 178 



Vulture 168, 286, 313 



WALKING STICK 

 Walrus . . . 

 Warbler 



Warning coloration . ... 429 



Wasp 119, 406 



Water beetle 384 



Water boatman 112, 66 



Water flea 56 



Waxwing 176 



Weasel 190, 177 



Weevil 118 



Whale .... 182, 183, 251, 388, 401 



bones of 346 



brain of 380 



Greenland 418, 171 



intestines of 292 



mouth of 264 



sperm ......... 17O 



upper jaw of 838 



whalebone . . ' . . . 267, 344, 311 

 Wheel animalcule ...'.. 85, 4O 

 Whelk . . . 129, 252, 257, 58, 88, 887 

 see Snail. 



White ants 110 



Wild bee 220 



Wilson's petrel 165 



Windpipe 325 



Wingless flea 113 



Wings 369, 378 



Wing shell 129, 1O3 



Wolf 190, 176 



Wombat 180 



Woodcock 170 



Wood louse 104 



Woodpecker 173, 154 



Worm .... 303,405,422,426,428 



absorbent system of 297 



bristle-footed 95 



circulation in 311 



cuticle of - 336 



gastrula of 36SJ 



locomotion of 367 



mouth of . . 258 



nervous system of 878 



planarian 38 



teeth of 346 



see Earthworm, Leech, Nereis. 



Wren . 176 



Wrist 355 



XIPHOSURA 123 



YOLK 403, 404 



ZEBRA 427 



Zoantharia 75 



Zonotrichia albicollis 16O 



Zooid . . . 433, 8O 



Zoology 11 



Zoothamnium ' . 63 



Zygapophyses 849 



Zygmotic arch 354 



