INDEX. 



407 



JleptiUa, 227; general t-haracter.s of, 2.'.7, 

 et seq. ; ja.\v of, 25S ; teetli ut, ib.; cir- 

 culation of, 259 ; rcsxnration. of, 2<J0 ; 

 oi'Jers of, ib. 



Respiratory tree of HolritlmriariR, 110. 



Resiiiratory tubes of Huti/cra, 125, 126. 



Ithampliastidce, 302. 



Rhea, 291. 



Rhinoceros, 331, 332. 



lihizocephala, 150. 



Rhizocrinus, 108. 



Rhizopoda, 21 ; general (^Iiaiacter.^ nj', 

 24 ; divisions of, 25. 



Rhizostoma, SO. 



Rhizostomidce, 80. 



Rhytina, 328. 



Ribbon-wortns (sei' iWriiirrli-iJir). 



Rodentia, 318; general chanu'ters nf, 

 3411, ct seq. 



Uoebuck, 333. 



Rorquals, 3.0. 



Rosc-cliaftr, 181. 



Rotifera, 114; general (.'liaiaeters of, ]-J4, 

 et aeq. 



Roand-worms, 122, 123. 



Rugosa, 85 ; characters of, 94. 



RuDiinantia, 333; dentitiun of, 3:15; 

 stoniach of, 336; families ut, ;j37. 



Runners (BirdK), 29.'. 



Sable, 347. 



Salamanders, 25.'!, 



Salamandra, 25J. 



."^abn'inidce, 243. 



Sand-hopper, 144. 



Sand-pipers, 296. 



S.md-star, 105, lOU.' 



Saiid-wonii, ICO. 



Saivjutxvga, 130, 131. 



Strcoile, 250. 



Sarcoids ftf Spnnges, 4 J, 4.'i. 



Sniiriipsida. 'i'll . 



Soiirojjterygia, 260; general cliaracters, 



274. 

 Saururce, 306. 

 Saw-flies, 179. 

 Scallop, 201. 



Scansores, 293, 3ii0, et .sf<j. 

 Scincus, 272. 

 Sciuridce, 351. 



Selerobasica (Zoantharia), iMi. 

 Sclerobasic Corals, 87, !I2, ! 3. 

 Sclerodennata (Znanthario), S<!. 

 Sclerodermic Corals, S7. 

 Scolecida, 112 ; general characters of, 113. 

 Scolopacidm, 296. 

 Scolopendra, 158, 

 Scomberidce, 243. 

 Scorpion, 151, 154, 155. 

 Scratchers (Birds), 297. 

 Sea-anemones, 85. 

 Sea-blubbers, 77, 78. 

 Sea-cucumbers, 109. 

 Sr-a-eggs, 99. 

 Sea-lemons, 204. 

 Seals, 346. 



Sea-mats, 1S7, 188, ISO, T.)0. 

 Sea-mosses, 187. 

 Sea-mouse, 135. 

 Sea-pens, 91. 

 Sea-rods, 91. 

 Sea-slugs, 204. 



Sea-snakes, 2(58. 



Sea-spiders, 15J. 



Sea-squirts, 191. 



Sea-unicorn, 330- 



Sea-urchins, 99. 



Segmental organs of Annclides, 129. 



Selachii, 246. 



Semnopitheci, 357. 



Sepia, 213, 214, 215, 



Sepiola, 208. 



Serpula, 133. 



Sertular'.a, 66. 



Sertularida, 58; general characters of, 

 06; polypites ut, ()7 ; reproduction of, 

 67. 



Sharks, 245, 246. 



Sheat-tish, 2i3. 



Slieep, 339. 



Sliell, of Foraminlf'i?!-"., 30 ; of Brachi'i- 

 p-'da, 193 ; uf LaiiieUibranchiat.a, 198 ; 

 <jf Gasteropoda, 204 ; of Hetcropoda, 

 205; of PLernj>oda, 206; of the Argo- 

 naut, 212 ; of Pearly Nautilus, 215. 



Slireu'-mice, 354. 



Slirikes, 304 



Sihiridoi, 243. 



•SittUa. 359. 



Siphoiwphora, 58 ; general charai'ters of, 

 72. 



Sl'phonops, 250. 



Siphons (of La'inell'branchia'a), 199. 



Slpunculus, 128. 



Siredon, 251 



Siren, 251, 252. 



Sirenia, 317 ; genci-ai rhararters of, 327, 

 et seq. 



Skunk, 347. 



Sloths, 324, 3-25. 



Slow-worm, 27>'. 



Snalies, 264, et i^eq. 



Snipes, 296. 



Snla-ster, 104. 



SoUni, 201. 



Somatic cavity o'i Cijelvn'frnta, 51. 



Soricidce, 354. 



Spatnlaria, 215. 



Sperm-whale, 330. 



Sphcorozoum, 35. 



Spheniscidce, 295. 



Sphlngidat, 178. 



Spider-crab, 141. 



Spider-nionkevs, 357, 



Spiders, 151, 155. 15i;. 



Si'inneret, of Spiders, 156; of Cater- 

 pillars, 177. 



Spiny Ant-eater, 319. 



Spirorbis, 133, 



Spirilla, 214, 215. 



Sponges, 21; general characters of, 43. 

 et seq.; aquiferous system, 4ii, 47; re- 

 production of, 48; distribution of, in 

 space, 49. 



Spongilla, 48, 49 ; repruduction of, 48. 



Spoon-wonn. 112. 



Springbok, 330. « 



Spring-tails, 169. 



Squids, 213. 



Sqnilla, 142. 



Squirrel, 357. 



Star-fish, 103, 104. 



Srarling, 304. 



Star-nosed Mole, 354. 



