18 



239. Omthocliiton incei. Reeve. Watson's 



Bay. 



240. Omthocliiton rugulosus. Angas. Port 



Jackson. 



241. Chiton piceus. Gmel. Port Jackson. 



242. Chsetopleura rugosa. Gray. Port 



Jackson. 



243. Lorica cimolia. Reeve. "Watson's Bay. 



244. Plaxiphora petholata. Sowerly. Port 



Jackson. 



245. Acanthochites costatus. S. Adams ojidi 

 Angas. Watson's Bay. 



246. Acanthochites scutiger. Adams and 

 Reeve. Watson's Bay. 



247. Acanthochites carinatus. H. Adams and 

 Angas. Port Jackson. 



248. Microplax grayi. S. Adams diudi Angas. 



Port Jackson. 



249. Cryptoplax striatus. Lam. Port Jackson. 



ORDER TECTIBRANCHIATA. 



250. Buccinulus affinis. A. Adams. Port 



Jackson. 



251. Myonia concinna. A. Admas. Port 



Jackson. 



252. Leucotina esther. Angas. Port Jackson. 

 252a. Bingicula denticulata. Gould. Goat 



Island, Port Jackson. 



FAMILY APLUSTRID^. 



253. Hydatina physis. Lin. Yaucluse Bay. 



254. Bullina lineata. Wood. Middle Harbour. 



FAMILY OYLICHNID^. 



255. Cylichna arachis. Quoy. Port Jackson. 



256. Tornatina fusiformis. A. Adams. Port 



Jackson. 



