MARINE MOLLUSC A OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 123 



Section Siphonarioidea. 



Family Siphonariidae. 

 Siphonaria redimiculum, Reeve. 



Order Pulmonata. 



Sub-order basommatophora. 



Familv Auriculidse. 

 Marinula nigra, Phil. 



Class SCAPHOPODA. 



Dentalium eupatrides, sp. n. 

 ,, shoplandi, Jouss. 



Class PELECYPODA. 

 Order Protobranchiata. 



Family Nuculidse. 



Nucula minuscula, Pfeffer. 

 Yoldia eightsi (Couth.). 



Order Filibranchiata. 



Sub-order anomiacea. 



Family Anomiidse. 

 Anomia ephippium, Linn. 



Sub-order arcacea. 



Family Arcadse. 



Area (Bathyarca) strebeli, sp. n. 

 Lissarca notorcadensis, sp. n. 

 ,, rubrqfusca, Smith. 



Sub-order mytilacea. 



Family Mytilidse. 



Mytilus edulis, Linn. 



,, ma.gellanicus, Chemnitz. 

 ovalis. Lamarck. 



