SYSTEMATIC. 
Spong . 15 
Spirastrella bistellata , p. 55 ; 
F?'o<x viridis , p. 58, schmidtii, p. 72, vastifica , p. 86 ; 
Ficulina ficus, p. 94; 
Papillella suberca , p. 99, quadrata , p. 106 ; 
Polymastia robusta , p. Ill, bursa , p. 117 ; 
Suberites domuncula , p. 118, massa, p. 127, fug ax, p. 132, longispinus, 
p. 137, arcicola , p. 139, aaptus , p. 140; 
Suberanthus fiavus, p. 144. 
Whitelegge, Mem. Austral. Mus. iii, p. 330, describes : 
Polymastia dendyi, n. sp. 
CORNACUSPONGLE. 
Marine Forms [cf. Titles 5, 18, 19, 20, 22, 33, 37, 41]. 
Dendy, P. Soc. Victoria, ix, establishes the new genera : 
Sigmaxinella, n. g., p. 240 ; 
Pseudodathria , n. g., p. 258 ; 
and describes the following new species : 
Axinella clathrata , p. 233, kirkii, p. 235 ; 
Phakellia tumida , p. 236 ; 
Acanthella tenuispiculata, p. 238; 
Sigmaxinella australiana, p. 240, ciocalyptoides, p. 242 ; 
Rhaphisia pallida, p. 257. 
Lindgren, Zool. Anz. xx, describes the following new species : 
Halichondria variabilis, p. 480, armata, p. 480, aura, p. 480 ; 
Petrosia nigricans , p. 480 ; 
Chalina pulvinatce, p. 481 ; 
Siphonochalina truncata, p. 481 ; 
Gcllius strongylatus, p. 481 ; 
Esperella macrosigma, p. 482 ; 
Dendoryx mollis, p. 482 ; 
Clathria ramosa, p. 482 ; 
Raphidophlus Ridleyi, p. 483. 
Schulz, Anatomische und Histologische Untersuch ungen... describes the 
new species : 
Euspongia distans, p. 15; 
Cacospongia erecta, p. 23. 
Topsent, Rev. Suisse Zool. iv, describes the following new species : 
Desmacella fortis, p. 463 ; 
Stylotella cornuta , p. 464, conulosa, p. 466 ; 
Occanapia amboinensis, p. 467, fragilis, p. 469 ; 
Gellius toxius, p. 470, glaberrimus , p. 471, hispidulus, p. 472; 
Pellina integra , p. 472 ; 
Reniera pulvinar, p. 475; 
Halichondria cavernosa , p. 477 ; 
P achy chalina joubini, p. 480; 
Gacochalina mollis, p. 481 ; 
Chalina similis , p. 481 ; 
Dysidcopsis palmata, p. 482. 
Lendenfeld, Abh. Senckenb. Ges. xxi, establishes the new genera : 
Strongylacidon , n. g., p. 110; 
Axinyssa , n. g., p. 116; 
