112 DR JAMES COSMO MELVILL AND MR ROBERT STANDEN ON THE 



Family Cancellariidie. 

 Admete magellanica, Strebel. 

 ,, Umnesaformis, Smitli. 

 ^ Paradmete typica, Strebel. 



Order OPISTHOBRANCHIATA. 

 .Sub-order TECTIBRANCHIATA. 

 Section Bulloidea. 

 Family Tornatinidae. 

 * Retusa antarctica, sp. n. 

 ,, truncatula (Brug.). 



Section Siphonarioidea. 

 Family Siphonariidse. 

 Siphonaria redimiculum, Reeve. 



Order PULMONATA. 



Sub-order BASOMMATOPHORA. 



Family Auriculidse. 



Marinula nigra, Phil. 



Class SCAPHOPODA. 



Dentalium eupatrides, M. and St. 

 ,, megaihyris, Jousseaume. 



Class PELECYPODA. 

 Order PROTOBRANCHIATA. 



Family Nuculidse. 

 Nucula minuscula, PfefFer. 



,, pisum, Sowb. 

 Yoldia eightsii (Couth. ). 

 ,, profundorum, sp. n. 



Order FILIBKANCHIATA. 

 Sub-order ANOMIACEA. 



Family Anomiidse. 

 Anomia ephippium, Linn. 



Sub-order ARCACEA. 



Family Arcidfe. 



Area (Bathyarca) strebeli, M. and St. 

 Lissarca notorcadensis, M. and St. 



rubrofusca, Smith. 

 Limopsis longipilosa, Pelseneer. 



(ROY. soc. FDIN. TKANS., VOL. XLVIII., 338.) 



