tOTEKION. — STiBERITES. 65 



Pamilia SUBERAMATID^. 

 Monaxonia with sigmate microsclera. 

 No specimens in the Australian Museum. 



Familia SUBERITIDiE. 

 Monaxonia without microsclera. 



Genus POTERION. 



Large cup-shaped pedunculate Suberitidse. The skeleton con- 

 sists of spicule-bundles and scattered spicules, which are tylostyli. 

 The pores are situated on the outer side of the cup and circum- 

 vallate oscula on the inner side. 



Poterion neptuni, Hardwicke. 



Poterion neptuni, P. Harting, Me'moire sur le genre Poterion, Natuurkundige 

 Verbandelingen, Utrechtsch. Genootsch. pp. 1-40, Taf. 1-4 (1870). 



Spongia patera, T. Hardwicke, Bulletin Terussac, p. 165 (1826). 



Sjoongia patera, T. Hardwicke, " Description of a Zoophyte of Singapore," 

 Asiatic Eesearches, xiv. p. 180 (1822). 



Geogeaphical Disteibution. — Pacific Ocean. 



Genus SUBERITES. 

 Dense and irregularly shaped Suberitidse, with narrow canals. 



Suberites domuncula, Xardo. 



Ahyonium domunmla, G. Olivi, Zoologia Adriatica (Bassano, 1792). 

 Halichondria compacta, IS". Lieberkiihn, " Beitriige zur Anatomic der Spongien," 



MuUer's Archiv (1859). 

 Suberites domuncuta, G. D. Nardo, Classification der Schwiimme, Isis, 1833 



(1834). 

 Suherites domuncula, 0. Schmidt, Die Spongien der Adriatischen Meeres. 



Seite 67 (1862). 



