84 CACOCHALINA. — CHALINOPORA. 



net and no special surface-skeleton. Slender tylostyli or oxea 

 abundant, scattered irregularly throughout the axis of all fibres. 

 No apparent oscula. 



Cacochalina globosa, Lendeiifeld. 



Cacoclialina glohosa, R. v. Lendenfeld, " Die Chalineen des australisehen Ge- 

 bietes," Zoologische Jahrbiicher (Spengel), Band ii. Seite 762 (1887). 



Irregular, massive sponges, attached by a small base, 140 millim. high and 

 100 millim. broad. Sheleton-net rather loose, with stout fibres. Spicules 

 abundant, oxea, gradually and sharp -pointed, 0*16 millim. long and 0*004 

 millim. thick. 



Geographical Distribution. — East coast of Australia : lUawarra, N. S.W. 

 {Ramsay). 



Genus CHALINOPORA. 



Irregularly branched or lobose Cacochalininse, with finer 

 skeleton-net and a special fine surface-skeleton. Oscula large, 

 conspicuous. Slender oxea abundant. 



Chalinopora subarmigera, Eidley. 



CJialinojwra subaymif/cra, H. v. Lendenfeld, " Die Chalineen des australisehen 

 Gebietes," Zoologische Jahrbiicher (Spengel), Band ii. Seite 7C7 (1887). 



Cladoclialina suharmigera, S. O. Ridley, " Report on Sponges," Report on the 

 Zoological Collections made in the Indo-Pacific during the Voyage of 

 H.M.S. 'Alert,' 1881-82, p. 397 (1884). 



Irregular, cylindrical, repent sponges. Branches 10-15 millim. thick and 

 100-200 millim. long. The large, slightly raised oscula, which measure 1-4 

 millim. in diameter, are situated in a row. Skeleton-net regularly hexacti- 

 nellid, meshes on an average 0*5 millim. wide, fibres 0-05 millim. thick. Spicules : 

 oxystrongyla, gradually pointed, 0*1 millim. long and 0*0025 millim. thick. 



Geographical Distribution. — North and East coasts of Australia : Torres 

 Straits (' Alert ') ; Port Jackson, N. S. W. (Lendenfeld). 



Chalinopora tenella, Lendenfeld. 



Chalinopora tenella, R. v. Lendenfeld, " Die Chalineen des australisehen Ge- 

 bietes," Zoologische Jahi-biicher (Spengel), Band ii. Seite 765 (1887). 



