16 Spong. 
XVII. SPONGIiE. 
and describes the following new species : 
Strongylacidon sansibarense, p. 110; 
Tedania digitata , p. 112; 
Phacellia weltnedi , p. 114; 
Axinyssa topsentii , p. 116; 
Reniera bawiana , p. 119; 
Rtelospongia operculum , p. 124. 
Lendenfeld, Tr. Irish Ac. xxxi, describes the new species ; 
Thrinacophora microdragma , p. 84 ; 
Oellius styliferus , p. 87. 
Euspongia officinalis, Lendenfeld, Zool. Garten, xxxviii, p. 74, redescribed. 
Whitelegge, Mem. Austral. Mus. iii, describes the following new species 
from Funafuti : 
Spinosella glomerata , p. 326 ; 
Gellius aculeatus , p. 326 ; 
Clathria pellicula , p. 327 ; 
Agelas gracilis , p. 328 ; 
Ciocalypta incrustans , p. 329. 
Spongillid^e. 
(Nothing.) 
