INDEX. 



371 



Eattlesnake, 244. 



Bed Coral, 92. 



Bed Deer, 302. 



Regnum Protisticum, 4. 



Keindeer, 301. 



Eeproduction, general features of, 53, 54 ; in 

 Hydroid Zoophytes, C2-66. 



Reptilia, 205; characters of, 234; jaw of, 

 235; teeth of, 235; circulation of, 236; res- 

 piration of, 23T; orders of, 237. 



Eespiratory tree, of Holothurians, 10T. 



Kespiratory tubes, of Rotifera, 117. 



Rhea, 269, 270. 



Rhinoceros, 297, 298. 



Rhizocephala, 138. 



Rhizocrinus, 104, 105. 



Rhizopoda, 27 ; characters of, 29 ; divisions 

 of, 29. 



Rhizostoma, 82. 



Rhizostomidce, 82. 



Rhytina, 294. 



Eibbon-worms, 113. 



Rodentia, 287 ; characters of, 309, 310. 



Eoe-buck, 302. 



Eorqual, 295. 



Rotifera, 109; characters of, 115. 



Eound-worms, 114. 



liuffed Grouse, 272. 



Rugosa, 92. 



Ruminantia, 298, 299; dentition of, 299; 

 stomach of, 300 ; fomilies of, 301. 



Sable, 308. 

 Sagitta, 119. 

 Salmonidce, 219. 

 Sandpipers, 269. 



Sarcode. 26. 



Sarcoids, of Sponges, 41. 

 Sarcorhampus, 279. 

 Sauropsida, 205. 



Sauropterygia, 237; characters of, 250. 

 Saururce, 266, 280. 

 Saw-flies, 160. 

 Scalops, 314. 



Scansores, 265: characters of, 273. 

 Scincus, 246, 247. 

 Sciuridce, 311. 



Sclerobaaica (Zoantliaria\ 90. 

 Sclerobasic Corals, 88, 91, 92. 

 Sclerodermata (Zoantharia*), 87. 

 Sclerodermic Corals, 88, 91, 92. 

 Scoleeida, 95; characters of, 108. 

 Scolopaddce, 269, 

 Scolopendra, 145. 

 8comberida>, 219. 

 Scorpion, 141, 142. 

 Sea-anemones, 86. 

 Sea-cucumbers, 106. 

 Seals, 306, 307. 

 Sea-mosses, 167, 168. 

 Sea-mouse, 124, 125. 

 Sea-slugs, 184. 

 Sea-spiders, 140. 

 Sea-squirts, 165, 171. 

 Segmental organs of Annelides, 121. 

 Selachii, 223. 

 jSemnopithecufi, 316. 

 Serpvla, 123, 124. 



Sertularida, 57, 61 ; characters of, 66 ; poly- 

 pites of, 66; reproduction of, 67. 



Sheep, 303. 



Shell, of Foraminifera, 84; of Mollwca, 

 166, of Brachiopoda, 174; of LamelU- 

 branchiata, 178; of Gasteropoda, 182; of 

 Ifeteropoda, 185; of Pteropoda, 186 ; of 

 the Argonaut, 190, 191 ; of Pearly Nautilus, 

 190, 192. 



Shrew-mice, 314. 



Silk-moth, 160. 



Siluridce, 219. 



Simla, 318. 



/Siphonophora, 57 ; characters of, 70. 



Siphons, of LamellibrancJiiata, 174, 179. 



Sipunculus, 120. 



Siren, 227, 228. 



Sirenia, 287; characters of, 203. 



Skink, 246, 247. 



Skunk, 308. 



Sloths, 292. 



Slow-worm, 245. 



Snakes, 201, 235. 



Snapping-turtle, 240. 



Snipes, 269. 



Soft-tortoises, 240. 



Solaster, 101. 



Slien, 180. 



Somatic cavity, of Cml&nterata, 51, 84. 



Sorex, 314. 



Soricidce, 314. 



Spatularia, 221. 



Sperm-whale, 295. 



Spfieniscidw, 267. 



Spider-monkeys, 316. 



Spiders, 139, 140, 142. 



Spinneret, of Spiders, 143; of Caterpillars, 

 159. 



Spirorbis, 124. 



Spongida, 29 ; characters of, 36; aquiferous 

 system of, 41; reproduction of, 43; dis- 

 tribution of, in space, 43. 



Spongilla, 42 ; reproduction of, 43. 



Spoon-bill, 269. 



Spoon-worm, 120. 



Spring-bok, 303. 



Spring-tails, 153. 



Squids, 187, 190, 192. 



Squilla, 138. 



Squirrel, 311. 



Star-nosed Mole, 814. 



Stentor, 5, 48, 49. 



Stephanoceros, 116. 



Stomapoda, 138. 



StrepsirMna, 816. 

 Strepsiptera, 162. 

 Strigidce, 278. 

 Struthio, 270. 

 Sturgeon, 220, 221. 

 Sturio, 220. 

 Sturionidaz. 221. 

 Sub-kingdoms, 11, 15. 

 Suctoria (Infusoria), 49. 

 * 



Surinam Toad, 232. 



Swallows, 277. 

 Swifts, 258, 277. 

 Swim-bladder, of Fishes, 218. 

 Swimming-bells, 70, 71. 

 Syngnathidce, 220. 

 Syrinx, 120. 



