530 



INDEX 



Page 



Spintharophora 276 



Spinularia 347 



Spirasigma ... 354 



Spirasigmidae 354 



Spirastrella 342,343,345 



angulata 345 



digitata 345 



incrustans 345 



purpurea. 345 



trincomaliensis 344 



vagabunda 343,344 



vagabunda tubulo-digitata 345 



Spirastrellidae 326, 327, 334, 342, 343 



Spiroxya.. 327 



Spongelia_ 476,479 



avara . 477 



elastica... 478,479 



elegans 477,479 



fragilis 478,479 



elastica 478 



fasciculata - 476 



implexa 479 



pallescens.. 476,477,478 



elastica.. 478 



elastica lobosa 478 



elastica massa 478 



fragilis 478 



fragilis incrustans 478 



fragilis ramosa 478, 479 



fragilis tubulosa 478 



spinifera 477 



Spongelidae 472,475 



Spongia basta 475 



flabelliformis 474 



foliascens 480 



fragilis 476 



officinalis 484 



penicillata _ 481 



Spongidae 472,479 



Spongillinae.. 386 



Spongocardium 385 



Spongosorites 326,327,331,333,386 



suluensis 331 



Stelletta 285,287,293,294 



bacca 382 



clavosa 287 



crassiclada 293 



intermedia 302,304 



nux 336 



orientalis 296 



radicifera 294 



radicifera robusta 296 



validissima 296 



Stellettidae 277, 278, 285, 293, 326, 327, 334 



Stellettinae 285 



Stellettinopsis simplex 327 



Stelospongia 493 



S telosponginae 491 



sterrastrosa, Diastra 285 



stewartii, Tet hyopsilla 385 



Tetilla. 358 



stipitata, Amphitethya (Tetilla, Tethya) 384 



Stoeba 27:., 277 



straticulatum, Trichostemma 347 



Streptasteridae 326 



Page 



striata, Leiodermatium pfeifferae 467,469 



strongylata, Petrosia 393,406 



Strongylophora 391,393 



corticata 392 



durissima 393 



Stryphnus 286 



Stylaxia 421 



stylifera, Tethya 378 



Stylinos 421 



Stylocordyla 352,353 



styloderma, Lissodendoryx 432 



Stylostichon 429 



Stylotella 421 



Stylotellinae 421 



Suberanthus 351 



Suberella 351 



Suberites 351 



domuncula 35 1 



heros 351 



Suberitidae 326,342,347,351 



Suberitidinae... 351 



submersa, Fangophilina 385 



Sulcastrella 447 



sulcata, Thenea grayi 280 



superstes, Jereopsis 459 



suriganensis, Euspongia irregularis 486 



swinhoei, Theonella 448,453,454 



Synops. 319 



Syringella 444 



Taprobane 447,463,465,467,468 



herdmani... 465,468 



tawiensis, Lissodendoryx 430,432 



Tedania 386,422 



Tedaniinae 386,421,422 



tenda, Vomerula 437 



Tentorium 347 



tenuiderma, Halichondria 397 



tenuiramosa, Euspongia 487 



ternatensis, Tetilla.. 382 



Terpios 351 



tcstudinaria, Petrosia (Alcyonium, Reniera). 399 



Tethea ingalli 335 



simillima 378 



Tethya 334,335,354,355,377,378 



armata 378 



clavigera 363,365 



coact ifera 367, 378 



cranium 334 



crassispicula 378 



dactyloidea 358 



dlploderma 338, 339 



gladius 358 



hebes 358 



merguiensis 382 



Tethya sagitta 378 



sansibarica 358 



serica 358 



stylifera 378 



Tethydae - 355 



Tethyidae - 333,334,385 



Tnhvnpsilla 355,358,378,379,385 



metaclada 358 



stewartii 385 



zetlandica 378 



Tethyopsfllidae... 355,379 



