672 



INDEX. 



Stauridin, 88. 



Steatomfs, 500. 



Steganodictyum, 68. 



SteganopMhalmata (Medustx), 100. lOJ, 



• 105, 110. 



Stem-muscle, of Vorticella. 73. 



Btemmata {see Ocelli). 



Stenaster, 164. 



Steneosaurus, 445. 



Stentor, 9, 75. 



Stephanoceros, ISO, 1S8. 



StephanomiadcB, 99. 



StereVmintha, 172. 



Stereognathus, 608, 609. 



Stemaspis, 186. 



Sternum, of Crustacea, 204 ; of Arach- 

 nida, 235; of Chelonia, 426; of .4 ye*', 

 459 ; of jtfammaiia, 512. 



Stichostega, 67. 



Stigmata, of P/iysoi?/i(md(», 97; of Leeches, 

 190 ; of Arachnida, 238 ; of in^ecta, 

 253. 



Stolons, of jForattiiTi^ej-a, 55 ; of com- 

 posite Actinozoa, 124 ; of social Tuni- 

 cata, 290. 



Stomapoda, 208 ; characters of, 227 ; de- 

 velopment of, 227; distribution of, in 

 time, 234. 



Stomatodendra, 109. 



Stork, 481, 483.. 



Strepsilas, 483. 



Strepsiptera, 250. 



Strepsirhina, 599, 600. 



Streptospondylus, 445. 



Stryidce, 502. 



Stringocephalus, 296. 



Strobila, of Mhizostomidce, 107 ; of T(Eni- 

 ada, 169, 170. 



Strombidoe, 276, 309, 317. 



Strombus, 817. 



StrophalosUt, 207. 



Strophonvina, 296. 



Strophomenidce, 296, 298. 



Struthio, 485. 



SiruiAionidoB, 485. 



Sturgeon, 392, 403. 



Sturionidce, 392, 403. 



S«MTOi(te, 496, 497. 



Stylops, 271. 



5u6-6>*ffcAm(a, 386. 



Sab-kingdoms, 15. 



5ii!>u2a, 565. 



Suchosaurus, 445. 



Suctoria (Infmoria), 70, 75. 



Swidffl, 656, 614. 



Stiia, 478. 



Surinam Toad, 416. 



Sm, 557. 



Suspecta (Ophidia), 433. 



Swallow, 500. 



Swarm-spores, of Sponges, 06. 



Swifts, 4S3, 600. 



Swim-bladder, of Fishes, 374. 



Swimmerets, of Lobster, 204, 206, 229. 



Swimming-bells, 95. 



Syeum, 69. 



Sylviadm, 498, 499. 



Synapta, 162. 



Synapticulie., 123. 



Synaptidoe, 102. 



Syndactyli, 500. 



ByndendL'ium, 109. 



Syngnathidm, 388. 

 Syrinx, 186. 



TdbanMrn, 265. 



Tabulae, of Corals, 123. 



Tabulata, 123, 139. 



JTocAjaietes, 478. 



Tcenid, 167, 169, 170, 17.. 



Tceniada, 165; characters and develop. 

 ment of, 166-171. 



Talitrus, 225. 



Talpa, 696. 



Tafpidce, 696. 



Tamias, 591. 



Ta/nagrin€B, 498. 



yajiois, 226. 



Tank-worms, 178. 



Tantalince, 483. 



Tape-worm, 166, 167, 163, 169, 170. 



Tapir, 554, 618. 



TapiridcB, 554. 



Tardigrada, 289. 



TeoMdrancAmfffl, 314, 318. 



TflfeosaurMS, 445, 



TeUostei, characters of, 381-383 ; sub- 

 ' divisions of, 383-388 ; distribution of, in 

 time, 403-405. 



TeUma, 307. 



TeUinidce, 306, 807. 



TelirMtornis, 507. 



Telson, of Crustacea, 202; of Lobster, 

 204 ; of Limvlus, 222 ; of Scorpion, 

 242. 



Tenreo, B97. 



Tentacles, of Hydra, 83 ; of Tubularia, 

 90 ; of Calyeophoridce, 94 ; of Physo- 

 phandoe, 97 ; of Medusidne, 101 ; of 

 'Hydrortuha, 106 ; of Actinia, 117 ; of 

 Alcyonaria, 125 ; of Pleurohrachia, 

 131 ; of Holotlmroidea, 161 ; of Poly- 

 zaa, 283 ; of Tunwata, 287 ; of Cuttle- 

 fishes, 323, 329. 



Tentaeulites, 197, 337. 



Tenthredinidce, 268. 



Tenuirostres, 496, 499. 



Tcrebella, 194 ; development of, 193. 



Tereiratella, 296. 



Terebratula, 294, 295, 296. 



Terehratulidce, 295, 296, 299. 



Terehratulina, 296. 



Teredo, 308. 



Tergum, of the exoskeleton of Cruttacea, 

 . 203 ; oi Arachnida, 235. 



Terrieola, 191. 



Termites, 261; communities of, 262. 



Test, oZ Foraminifera, 63, 54 ; of Echin- 

 oidea, 144, 145 ; of Tunieata, 287, 293. 



Testacella, 277, 319. 



Tesiudinidce, 427. 



Testudo, 428. 



refratrancAiotofCeyftaZoiJoda), 327; char- 

 acters of, 830 ; divisions of, 333 ; dis- 

 tribution of, in time, 337, ; 



Tetradecapoda, 224. 



Tetramera, 273. 



Tetranychv^, 240. 



Tetrao, 4S9. 



Tetraonidce, 489. 



Teuthidce, 829, 333, 83S. 



Thalassarachna, 241. 



Thalasaaretos, 67S. 



Thalassemacea, 187. 



