INDEX 



527 



Page 



hirsutum, Microscleroderma 465,469 



hispida, Tetilla crustata 363,370 



Histoderma. .. 418,419,433,434 



appendiculatum 434 



Holoxea 327 



Homorrhaptaidae 386,421 



Homosclerophora 275 



Hoplophora 447 



Rymedesmia 328,342,343 



zetlandica 343 



Ianthella 472,473 



(Spongia) basta 474,475 



(Spongia) flabelliforniis 474 



ibis, Tetilla (Chrotella) _ 358 



imperfecta, Mycale 428 



implexa, Reniera 398 



Spongelia fragilis 479 



incrustans, Spongelia pallescens fragilis 478 



infrequens, Craniellopsis 385 



intermedia, Stelletta 302 



invaginata, Theonella.. 451,453 



irregularis, Euspongia 291,486 



Petrosia nigricans 403 



Trichostemma 350 



isis, Cinachyra 363,370 



Tetilla 370 



Isodictya virgata 388 



Isops 303,319,320,321 



membranacea 303, 310 



jacksoniana, Euspongia irregularis 487 



Jaspis 285,327,329,330,333 



serpentina 330 



vaculifer 330 



Jereopsis 447,457 



fruticosa 458 



superstes 459 



Kalastrella 327,354 



Kaliapsis... 456 



kelleri, Psammaplysilla 488,491 



Keratosa 276,353,472,473 



Keratospongia. 472 



Kirkpatrickia 422 



Kowalewskyella 326 



lacerata, Theonella 447,453 



lacunosa, Myxilla 431 



lamellaris, Discodermia emarginata 448,455,456 



Latruncul ia 342 



Laxosuberites. 351 



Leiodermatiidae 463,465,467 



Leiodermatium 465, 467 



chonelloides 465 



crassiusculum... 465 



deciduum 465 



lynceus 465 



pfeifierae 465,471 



striata. 467,469 



lentiformis, Craniellopsis 385 



Leptosia 343 



levior, Theonella.. 447 



lignosa, Petrosia 400,403 



limicola, Tetilla 363 



lingua, Tetilla dactyloidea 358 



Lissodendoryx 429,430,431 



styloderma 432 



tawiensis 430,432 



tuberosa 432 



Page 



Lithistida 273,276,447 



Lithobactrum 465 



lobosa, Spongelia pallescens elastica 478 



Iongipilis, Tetilla 358 



Lophacanthus rhabdophorus 472 



lynceus, Leiodermatium 465 



Macandrewia auris 459 



ramosa 459 



robusta 459 



macellata, Tetilla (Chrotella) 370 



macilenta, Mycale 427 



Magog 327 



major, Clathria frondifera 442 



malaccensis, Tetilla (Cinachyra) 363 



massa, Spongelia pallescens elastica 478 



massalis, Petromica 465 



Megalopastas 472 



megastrella Geodia 303 



Melophlus 327 



merguiensis Amphitethya 383 



Paratetilla 382 



Tethya 382 



Tetilla 382 



Merlia normanl 425 



Merliinae 386,421,425 



mertoni, Tetilla (Cinachyra) 363,377 



Mesapidae 351 



Mesapos 351 



metaclada, Tetilla (Tethyopsilla) 358 



Microciona prolifera 486 



micropora, Ecionemia cribrosa 298 



Microscleroderma 463,465,467,468 



hirsutum 465,469 



Microsclerophora 275 



microsigma, Amphitethya 384 



Craniella sagitta 378 



microstrongyla, Tylodesma 424 



Microxina 391 



mindanaensis, Hamacantha (Vomerula) espe- 



rioides 437 



minimum, Chalinodendron 416 



minuta, Tetilla (Chrotella). 358 



Monanthus 470 



plumosus 470 



Monaxonida 276 



Monoceratina 472,473 



Monocrepidium vermiculatum 470 



monticularis, Tetilla (Cinachyra) vertex 363 



muricata, Thenea 280 



mutans, Hircinia 491 



Mycale.. - 425,428 



(Halichondria, Esperella) aegagro- 



pila 426,427 



euplectellioides 427, 428 



euplectellioides regularis. 427 



flstulata 428 



i mperfecta 428 



macilenta 427 



macilenta australis. 426 



nuda 428 



Mycalinae 421,422,423,425,429 



Myriastra 285,287,294 



clavosa 287,291 



siemensi 291,486 



toxodonta 291 



