CONTENTS. 



Tetraxonida — Continued. 



H al i chondrina— Continued. 



Family Haploscleridae— Continued. 



Subfamily Gelliinae— Continued. p ae e - 



Strongylophora Dendy ^* 



corticata, new species ^*- 



Subfamily Renierinae J*9 



Halichondria Fleming ™** 



panicea Johnston ^ 



variabilis Lindgren '^ 



Reniera Nardo ^ 



implexa Schmidt, var. baeri, new variety 3JS 



Petrosia Vosmaer ^99 



testudinaria (Lamarck) 6 ^ 



testudinaria, var. fistulophora, new variety 401 



lignosa, new species 40o 



lignosa, var. plana, new variety 404 



similis Ridlev and Dendy, var. granulosa, new 



variety— 1 f 6 



crustata, new species 408 



Trachyopsis Dendy 40. 



halichondrioides Dendy 4UJ 



• 4-10 



Subfamily Chalminae xyj 



Pachychalina O. Schmidt **J 



fibrosa Ridley and Dendy fll 



fibrosa, var. gracilis, new variety 412 



Siphonochalina O. Schmidt 413 



fascigera Hentschel 413 



crassifibra Dendy 4j4 



Dactylochalina Lendenfeld 41 ° 



exigua (Lendenfeld), var. samarensis, new variety. 417 



Subfamily Phloeodictyinae 418 



Phloeodictyon Carter *iy 



putridosum (?Lamarck, species) 41 J 



cagayanense, new species 420 



Family Desmacidonidae 



Subfamily Tedaniinae " 



Subfamily Desmacellinae 42- 



Subfamily Merliinae 425 



Subfamily Mycalinae 420 



Mycale Gray 425 



aegagropila Johnston 42b 



euplectellioides (Row) , var. regularis, new variety- 427 



Myxilla O. Schmidt 429 



crucifera, new species 430 



Lissodendoryx Topsent 431 



tawiensis, new species 432 



Coelosphaera Wy ville Thomson 433 



toxifera, new species 435 



Subfamily Hamacanthinac 436 



Hamacantha Gray 



esperioides (Ridley and Dendy), var. mindanaensis, 



new variety 437 



Subfamily Ectyoninae 439 



Clathria O. Schmidt 43y 



frondifera (Bowerbank), var. seto-tubulosa, new 



variety 439 



f asciculata, new species 



