362 
INDEX. 
Gnat, 183. 
Gossamer-spider, 191. 
Hairs, 330. 
Hare, Sagacity of, 361. 
Helminthia, 116. 
Hermit-crab, 221. 
Holothuriadse, 110. 
Horns, 331. 
Hunting-spider, 192. 
Hydra, 29, 50-57. 
Infusoria, 11. 
Insects, 149-1 S3. 
Insects, Architecture) of, 170. 
Insects, Transformations of, 161. 
Instinct, Nature of, 34S. 
Kangaroo, 335. 
Land-crabs, 221. 
Laomedea, 59-64. 
Leaf-worms, 137. 
Leech, 142. 
Lepas, 224. 
Lily-stones, 91. 
Limpet, 246. 
Lingthorn, 99. 
Lizards, 296. 
Lobster, 220. 
Lucernaria, 77. 
Lug, 137. 
Luminosity, SO. 
Mammalia, 326. 
Man. 346. 
Marsupialia, 332. 
Medusa, 76. 
Melicerta, 201. 
Microglena, 30. 
Mites, 193. 
Mocking-bird, 313. 
Mollusca, 227-24S. 
Monads, 9. 
Monitors, 300. 
Mussels, 240. 
Mylodon, 338. 
Nais, 141. 
Nautilus, 247. 
Nests of Birds, 315. 
Banana-bird, 321 . 
Baya, 319. 
Chaffinch, SI 5. 
Goldfinch, 317. 
Humming-bird, 318. 
Long-tailed Tit, 323. 
Pensile Grosbeak, 323. 
Sociable Grosbeak, 324. ' 
Tailor-bird, 822. 
Tchitrec, 320, 
Newt, 278. 
Nightingale, 313, 
“Old Maids,” 239. 
Orang, Intelligence of, 352 r 337. 
Oryctcs, 152. 
Oysters, 240. 
Pandorina, 21. 
Paramecium, 18. 
Pecten, 241. 
Planarise, 124. 
Polygustrica, 17. 
Polypes, 49. 
Polyzoa, 232. 
Portuguese Man-of-war. SS. 
Prawn, 206, 219. 
Proteus, 280. 
Pyrosoma, 237- 
Quadrupeds, 826. 
Radiism, 110. 
Reptiles, 285-303. 
Rhizostoma, 80. 
Rodeutia, 338. 
Sallee-man, 89. 
Salmon, 271. 
Salpa, 236. 
Scale of Animal Life, 227. 
Scales of Butterflies, 160. 
Seales of Fishes, 257. 
Scale-worm, 139. 
Scorpions, 193. 
Sea-cucumber, 111. 
Sea-mat, 230. 
Sea-mouse, 141. 
Sea-nettlos, 78. 
Sea-urchin, 05, 106. 
Sensitive Plants, 27. 
Serpents, 2S7. 
Serpula, 136. 
Sertulariadae, 58. 
Setting-sun, 240. 
Shell-fishes, 239. 
Shell, Formation of, 242. 
Siamang, Conscience of, 368. 
Skeleton, 253. 
Slow-woran, 295. 
Species, Nature of, 252. 
Spiders, 184-193. 
Spirillum, 11. 
Sponges, 25, 30-48. 
Stag-beetle, 154. 
Star-fishes, 91-115. 
Stentor, 22. 
Stickleback, 268. 
Syllis, 140. 
Tadpole, 276. 
