384 
Sloth, 304. 
Slug, 67. 
Snakes, 206. 
poisonous, 206. 
viviparous, 206. 
Snipe, 252. 
Solaster, 37. 
Solen, 56. 
Sparrow, English, 230, 286. 
Spermaceti, 211. 
Sphargis, 219. 
Sphenisci, 237. 
Sphinx, 133. 
Spicules, 11. 
Spider, 106. 
bird, 108. 
garden, 10g. 
trap-door, 107. 
Spirula, 7o. 
Sponges, II. 
Spoon-bill, 254. 
Spoon-bill fish, 166. 
Spring-tails, 111. 
Squalus Americanus, 160. 
Squid, 71. 
Squilla, 85. 
Star-fish, 36. 
Stegopodes, 246, 
Stickleback, 177. 
Stilt, 251. 
Sting-ray, 164. 
Stoat, 349. 
Stomapoda, 85. 
Storks, 255. 
Struthio, 236. 
Studis, 172. 
Sturgeon, 166. 
Suctoria, g. 
Sun-fish, 193. 
Surinam toad, 203. 
Swallow, 286. 
Swan, 249.. 
Swift, 277, 
Sword-fish, 182. 
Sycon, 13. * 
Synapta, 40. 
Tadpole, 201. 
Tanager, 286. 
Tape-worms, 244. 
Tapir, 328-9. 
Tarantula, 106, 107. 
Tautog, 185. 
INDEX. 
Taxidea, 346. 
Teleocephali, 170, 
Teleostei, 168. 
Teredo, 59. 
Tern, 241. 
Testudo, 221. 
Tetrabranchiata, 69. 
Tetradecapoda, 85. 
Thrasher, 161. 
Thread-worms, 43. 
Thrush, 291. 
Thysanura, III. 
Tick, 104. 
Toad, 201. 
flying, 202. 
Surinam, 203. 
luminous, 203. 
Torpedo, 164. 
Tortoise, 195. 
Tortugas, 27. 
Toucan, 273. 
Trachystomata, 196. 
Tree-toad, 203. 
| Trepang, 40. 
Trichina spiralis, 44. 
Tridacna, 57. 
Trilobite, 95. 
Triton, Igg. 
Tritonia, 65. 
Trogon, 271. 
Trout, 172. 
Trunk-fish, 192. 
Tunicata, 145. 
Turkey, wild, 259. 
Turtle, 218. 
green, 220. 
hawkbill, 221. 
loggerhead, 220. 
marine, 219. 
Tyrian dye, 64. 
Umbellularia, 30. 
Umbrella-bird, 289. 
Ungulata, 315. 
odd-toed, 328. 
even-toed, 331. 
Unio, 56. 
Urchin, sea, 38. 
Uria, 240. 
Urodela, 197. 
Urticina, 23. 
Uvella, 3. 
