INDEX. 



413 



Villi, 00, 58. 



Vinegar-eel, 265. 



Vireo, 340, 826. 



Vitelline MembraLe, 193. 



Viviparous, 309. 



Vocal Cords, 18J). 



Voice, of Invertebrates, 188. 



" of Vertebrates, 189. 

 Volnte, 278, 241. 

 Vorticella, 243, 160. 

 Vulture, 335, 116. 



WALKING-STICK, 29T. 

 Walrus, 355,383. 

 Warbler, 340. 

 Wasp, 304. 



Water-boatman, 29T, 265. 

 Water-fleas, 284, 255. 

 Wax-wing, 340. 

 Weasel, 355, 348. 

 Weevil, 300. 

 Whale, 348, 341, 342. 



baleeu of, 65, 30. 



" brain of, 170. 



" fat of, 39. 



" mode of feeding of, 50. 



" month of, 62. 



" swimming of, 159, 



" teeth of, 383. 

 Whelk, 278, 228. 



" see Snail. 

 White Ant, 295. 



Windpipe, 119, 86. 

 Wings, of Bats, 161, 339, 340. 

 " of Birds, 160, 304. 

 " of Insects, 159, 266. 

 Wolf, 355, 347. 

 Wombat, 343. 

 Woodpecker, 335, 320. 

 Worms, 263. 



" absorption in, 94. 

 " alimentary canal of, 7T. 

 blood of, 98. 

 eye of, 17. 

 head of, 17. 

 jaws of, 17. 

 larva of, 175. 

 locomotion of, 161. 

 mouth of, 57. 

 number of speries of, 22 

 proboscis of, IV. 

 " reproduction in, 192. 

 " respiration of, 113, 77. 



skin of, 127. 

 " see Earth-worm. 

 Wren, 340. 



YOLK, 192. 



ZOOLOGICAL analysis, 236. 



" barriers, 375. 



" hibtory, 18. 



" provinces, 376, 

 Zoology, 19. 



THE END. 



