IXDEX 



61' 



s, 285 

 /iijiiiitici/s, rod and supporting 



plate, 337 



,s'/////i / /,/////, sections, 245, 246 

 Stolasterias ( Asterias -culsdlata), 396 

 Sttnnat iiiln , ~i 

 Stone canal, 416-423 

 Streptoneurous condition (Gastr.), 133, 



158 

 Streptosomata, 290 



Strmnbus, 102 



Strongylocentrotus lifit.1t/.f, 398 

 x, 307 



regalis, apical border, 368 



Stylonvmatophora, 8 

 S'Ubemargimula, 89 



Xit/Hiii/fi/iift'ii, 17 

 Xiifi-lnritln , ,V 

 Sytnbathocrinus, 3<>4 



Syiiapta, 288 ; young, 516 ; auditory 

 vesicle, section, 467 



digitotti, 288 ; larva and young, 

 511 



,, inlnt /r,i.v, calcareous body, 337 



vittata, 470 

 Synapticulae, 567 



Synaptidce, :.'SS ; ciliated urn, 438 

 Syuostosis (Grin.), 376 

 Syzygy (Grin.), 376 



T.EXHiGLOSSA, 6 



Talarncriinis, 308 



Tapes, IS 



Tapetum lucidum, 175 



iiiiiltihrinii-liinl i/*, 310 



Tedibranchia (Pattiata), 10; .section, 



110 



Tfdum ( = At: iima), 5 

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



pliaryngeal (Gastr.), 180 

 Tegnieu calycis, 302, 369 

 Teginentum, 39 

 Tcli'ion-iitn.i, 307 

 Tellina, 18 

 Tellinacea, IS 

 Tell ini dee, 18 

 Temnopleuridce, ~90 



Terebra, 102 

 Terebridce, 6 



Ti'i-i'il i mi, 65 

 Ti'inliiiiil'i , 21 

 Teredo, 21 



nnvaMfi, 20 

 260 



development, 259, 



Terminal plates (Ast.), 354 

 Testacellu, 8, pallial organs, 77 

 ., Ini/infii/cii, 9, 44, 45 



Testacdlidt.1', 8 



, 13 



, 13 



..'.' 



Thaumatocrinus, 309 



310 



Thru fin, .'I 

 T/iyca, 183 



,, cdm-inu-lia, 214-246 ; sections, 244, 

 246 



ch if en. vis, 417 

 Thy san "I i' a Hi in, 2 4 

 189 



princeps, 289 ; 319 

 Tiedemanu's bodies, 416-424 

 Titiscania, 4 



larva, 507 



J //<'./-./, 589 

 GreiKU'lteri, 587 

 Km/i it i, 586, 590 

 Mi>r/i',-i, 587 

 , 46 



Torus angnlaris (Oph.), 361 

 Tosia, 326 

 Toxiglossa, 6 

 Toxopneustes, 290 ; masticatory apparatus, 



402 



,, (li-oefMC/tii.'itxix, apical system, 



320 ; system of plates, 341 

 Tfemi.idtipus, 24 



,, riiiliii'i'ns, 196 



T i- if/i aster, 301 



dcijuns, 394 

 Tricuspi.l body (Lam.), 194 

 Tridacna, 18 

 Tridacitida; IS 

 Trifnrix, 160 

 Trigoniu, 15 

 Triijniiiiiln , 15 

 TrinjMi, 13 

 Triploblastica, 545 

 Tripiii'iix/i'*, ..''"' 

 Tritii/iin, 13 



, 13 



Trivinm, 325. 347, 407 

 i, 253, 260 



ng gills, 90 

 Troostoblastida . 315 

 Trotistarriiiiix, 315 



Tubercle, 388 



Turiiiiii'lliiln', 6 

 TII i-li! a ill" . 5 

 Turin, 166 

 Turgescence, 118 

 Tui-i'ilitf stage, 68 

 Turrit dl a, 30 



