448 Prof. W. A. Herdman on the 



Polyclinum hospitale, Sluit. Thursday Island. 



* clava, Herdm. Port Jackson. 



* giganteum, Herdm. Port Jackson. 



* (jlohosum, Herdm. Port Jackson. 



^ com'planatam, Herdm. Port Jackson. 



^ fuscum^ Herdm. Port Jackson. 



* prununi^ Herdm, Port Jackson. 



^? Polyclinum nigrum^ Herdm. Naucluse, Port Jackson. 



Amaroucium albidum, Herdm. Bass Str., 40 fath. 



Eitteri, Sluit. Thursday Is. 



* rotundatuniy Herdm. Port Jackson. 



* protectans, Herdm. Port Jackson. 



* distomoides, Herdm. Port Jackson. 



* anomalum, Herdm. {? = FolgGlinoides, sp., Macd.). 



Sydney Harbour. 



Psammapli'dium spongiforme, Herdm. Port Jackson, 7 fath. 



ovatum, Herdm. Torres Str., 3—11 fath. 



pp'iforme, Herdm. N. Australia, 8 fath. 



* soliduni, Herdm. Port Jackson. 



* lobaiuni, Herdm. Port Jackson. 



■^ fragile, Herdm. Port Jackson. 



* mcrustatis, Herdm. Port Stephen. 



* p)edunculatum^ Herdm. ? Port Jackson. 



Family 3. DidemnidaB. 



Didemnum aurantiacum, Herdm. Bass Str., 38 fath. 



Leptoclinum jacksoni, Herdm. Port Jackson, 6-15 fath. 



psammatJiodes, Sluit. Thursday Is. 



pantherinum, Sluit. Amboina. 



pustulosum, Sluit. Amboina. 



torresn, Sluit. Thursday Is. 



siphoniatum, Sluit. Amboina. 



asteropum^ Sluit. Amboina. 



* ■ incanum, Herdm. Port Jackson. 



^ fimhriatum^ Herdm. Port Jackson. 



* patulum, Herdm. Port Jackson. 



Family 4. DiplosomidaB. 

 Diplosoma Raynei-i^ Macd. Sydney Harbour (?). 



