444 Prof. W. A. Herdman on the 



ASGIDIA CEA. 



ASCIDIiE SIMPLICES. 



Family 1. MolgulidaB. 



^Ascopera nana, Herdm. Port Jackson. 

 ^Molgula mollis, Herdm. Port Jackson. 



Forhesi, Herdm. Port Jackson. 



^ sydneyensts, Herdm. Sydney Harbour. 



* recumhens, Herdm. Port Jackson. 



inconspicua, Stirap. Port Jackson. 



? Molgula ( Ccesira) parasitica, Macd. King George's Sound. 



? ( ) JiciiSy Macd. Shark Bay. 



? ( ■) pellucida, Macd. Shark Bay. 



? Ctenicella {Ascidia) tumulus^ Quoy and Gaimard. Port 

 Western. 



^Molgula {Ascidia) sabulosa, Q. & G. Port Western. 



Family 2. Cynthiidae. 

 Subfamily Bolteniin^. 



Boltenia gibbosa, Heller {? = Ascidia spimferay Q. & G.). 

 Bass Strait and Port Jackson. 



australis (Q. & G.). Port Jackson, Port Western, &c. 



pachydermatina, Herdm. Port Jackson &c. 



^ tuhercidatOj Herdm. Port Jackson and Port Stephen. 



Subfamily Ctnthiin^.. 



Microcosmus affinis, Heller. Australia. 



polymorphus, Heller. Bass Str., 40 fath. 



Helleri^ Herdm. Torres Straits and Amboina. 



propinquus, Herdm. Bass Str., 40 fath. 



Julinii, V. Dr. Sydney. 



distans, Heller. New South Wales. 



* Draschii, Herdm. Port Jackson and Port Steplien. 



* australis, Herdm. Port Jackson. 



■^ Ramsayi, Herdm. Port Jackson. 



Rhabdocynthiwf complanata, Herdm. Port Jackson, 6 fath. 



tenuis {?), Herdm. Amboina. 



sp. (?), Sluit. Thursday Island. 



t I know of three other new species of Mhahdocynthia from the north 

 of Australia, but they are not yet described. They are in the collection 

 brought home from Torres Straits by Professor A. C. Haddon. 



Jl 



