INDEX 



617 



Sticlmsteridce, 298 

 Stichopus, 285 



„ jajmiicus, rod and supjiortiug 

 plate, 337 

 Stllifi'i- Linckia',, sections, 245, 246 

 ,Sfn/iis/,'riiis {—Asterias volseUata), 396 

 8ti>iiiatli<l(> , 5 

 Stone canal, 416-423 

 Strt'ptoneurous condition (Gastr.), 133, 



158 

 Streptosoinata, 290 

 Sirombida; 6 

 Stnimbus, 102 



Strongi/locentrotus Umdiis, 398 

 Strutocrinus, 307 



,, regalis, apical border, 368 



Stnillnohirlddi, 6 

 Stulnniiiialuiihnra, 8 

 Siih,- mil nfu, Ilia, 89 

 ^liJiiin/ti'hirni. 17 

 Suciuncidu.:, S 

 Syinbathocrinus, 304- 



Synajda, 288 ; young, 516 ; auditoiy 

 vesicle, section, 467 



„ digitata, 288 ; larva and young, 

 511 



„ inhcerens, calcareous body, 337 



„ vittata, 470 

 Syuapticulge, 567 



Synaptida, 288 ; ciliated urn, 438 

 Synostosis (Grin.), 376 

 Syzygy (Crin.), 376 



TJSNIOGLOSSA, 6 

 Talarocrimis, 308 

 Tcqies, 18 



Tapetum lucidum, 175 

 Taxocrinus, 309 



„ multibixmchialus, 310 



Ted ibranchia (=PaUiata), 10; section, 



110 

 Tectura (=Acinita), 5 

 Teeth (Ast), 473 ; (Ecliin.), 400, 401 ; 



pharyngeal (Gastr.), 180 

 Tegmen calycis, 302, 369 

 Tegmentum, 39 

 Telpincrums, 307 

 TelUna, 18 

 TelUaacea, IS 

 TcUinidoc, 18 

 Tein It (pie urida', 290 

 Tetmiopleurus, 290 

 Terebra, 102 

 Terehrida\ G 

 Teredina, 65 

 Teredinidw, 21 

 Teredo, 21 



„ navalis, 20 ; development, 259, 

 260 

 Tergipes, 13 



Terminal plates (Ast.), 354 

 Testacella, 8, pallial organs, 77 

 „ halintldea, 9, 44, 45 



TestaceUid(e, 8 

 Tethyinelibidce, 13 

 Tethyti, 13 

 Tetrabninchia, 22 

 Thauinatocrinus, 309 



„ renovahis, 310 



T/iecosomata (Pteropoda), 11 

 Theelia, 287 

 Thracia, 21 

 Thyca, 183 

 ,, ecitiwHclia, 244-246 ; sections, 244, 

 246 

 Thyone, 287 



„ chilensis, 417 

 Thysanoteuthis, 24 

 Tiarechinus, 289 



„ princeps, 289 ; 319 



Tiedemann's bodies, 416-424 

 Titiscania, 4 

 Tornaria larva, 507 



„ Agassizi, 589 



Gh-enacheri, 587 



,, Krohni, 586, 590 



„ MiiUeri, 587 



Tornatiuidce, 46 

 Torus angularis (Opli.), 361 

 r„sia, 326 

 Toxiglossa, 6 



Toxopneustes, 290 ; masticatory apparatus, 

 402 



„ drosbachiensif,; apical system, 



320 ; system of plates, 341 

 Tremoctopus, 24 



,, violaceus, 196 



Trichaster, 301 



„ elegans, 394 



Tricuspid body (Lam.), 194 

 Tridacna, 18 

 Tridaciiida', IS 

 Trifuris, 160 

 Triijiiiiia, 15 

 Trigoniidw, 15 

 Triopa, 13 

 Triploblastica, 545 

 Tripneustes, 290 

 Tritonia, 13 

 Tritnniada', 13 

 Tritoniida;, 6 

 Trivium, 325. 347, 407 

 Trochidu:, 5 

 Trochnphura, 253, 260 

 Trochostoma, 287 

 Troclms, gills, 90 

 Troostnblastida;, 315 

 Troostocrinus, 315 

 TrvnrateUidiv, 6 

 Tubercle, 388 

 Turbinellidie, 6 

 Turbmida:, 5 

 Turbo, 166 

 Turgescence, 118 

 TurrUite stage, 68 

 Turritdlu, 30 



