INDEX. 



463 



Ulna, i. 282. 

 Ungual bone, i. 282. 

 Unio batava, i. 159. 

 Unity of design, ii. 437. 

 Uranoscopus, ii. 354. 

 Urceolaria, i. 139. 

 Urchin, sea. See Echinus. 

 Utricle of labyrinth, ii. 305. 

 Uvea, ii. 327. 



Valves, i. 36, 85; ii. 188, 206. 



Vampire bat, ii. 88. 



Van Helmont, ii. 19. 



Vane of feather, i. 392. 



Variety, law of, i. 2, 48; ii. 438. 



Varley, ii. 183. 



Vascular circulation, ii. 170. 



Vascular plexus, ii. 268. 



Vauquelin, ii. 166, 239. 



Vegetable kingdom, i. 25, 43. 



Vegetable organization, i. 60. 



Vegetable nutrition, ri. 19. 



Veins, i. 44: ii. 82. 



Velella, i. 144. 



Velocity of fishes, i. 301. 



Velvet coat of antler, i. 252. 



Vena cava, ii. 190. 



Ventricle of heart, ii. 82, 187. 



Ventricles of brain, ii. 391. 



Veretillum, ii. 63, 337. 



Vertebra, i. 271 ; ii. 423. 



Vertebrata, i. 254. 



Verticillated arrangement, i. 76. 



Vesicles of plant?, i. 61. 



Vespertilio, i. 379 ; ii. 101, 399. 



Vessels of plants, i. 64. 



Vessels of animals, i. 84; ii. 424, 



429. 436. 



Vestibule of ear, ii. 303. 

 Vibrations, ii. 396. 

 Vibrio, i. 58, 138. 

 Vicq d'Azyr, i. 141. 

 Villi, ii. 246. 

 Viper, i. 310 ; ii. 419. 

 Vision, ii. 315. 

 Vision, erect, ii. 366. 

 Visual perceptions, ii. 366. 

 Vital functions, i. 42; ii. 55. 

 Vital organs, ii. 254. 

 Vitality,"!. 29. 

 Vitreous humour, ii. 327. 

 Vitreous shells, i. 172. 



Viviparous reproduction, ii. 419. 

 Voltaic battery of torpedo, ii. 402. 

 Voluntary motion, i. 41 ; ii. 375. 

 Volute, i. 170; ii. 95, 340. 

 Volvox, i. 138,139; ii. 414. 

 Voracity of hydra, ii. 61. 

 Vorticella, i. 58, 136; ii. 74,410. 

 Vulture, ii. 131, 288. 



Wading birds, i, 403, 408. 

 Walking, i. 340, 374. 

 Waller, ii. 100. 

 Walrus, i. 336; ii. 105. 

 Warfare, animal, i. 47; ii. 53. 

 Warm-blooded circulation, ii. 199. 

 Water, not the food of plants, ii. 19. 

 Water-beetle. See Dytiscus. 

 Water-boatman, i. 35, 238. 

 Wax. vegetable, ii. 40. 

 Web-footed birds, i. 408. 

 Weber, ii. 305, 339. 

 Whale, i. 53; ii. 130, 313, 355,394. 

 Whalebone, ii. 102. 

 Wheel animalcule, i. 140. 

 Wheel spokes, spectre of, ii. 368. 

 Whelk. See Buccinum. 

 Whiskers, ii. '-27-. 

 Whorls of plants, i. 76. 

 Whorls of sh ells, i. 176. 

 Willow, i. 69. 

 Wings, i. 243, 391. 

 Winged insects, i. 214. 

 Withers, i. 257. 

 Wolf-fish, ii. 96. 



Wollaston, i. 77 ; ii. 45, 346, 401. 

 Wombat, i. 363. 

 Woodhouse, ii. 2 

 Woodpecker, ii. 98. 

 Woody fibres, i. 64, 66. 

 Worms. See Annelida and En- 

 tozoa. 



Yarrell, ii. 98. 

 Young, ii. 335. 



Zebra, i. 356. 



Zemni, ii. 356. 



Zoanthus, i. 123, 136. 



Zoocarpia, i. 119. 



Zoophytes, i. 113 ; ii. 337, 378. 



Zostira, ii. 146. 



Zygodactyli, i. 404. 



THE END. 



