MARINE MOLLUSCA OF THE SCOTTISH NATIONAL ANTARCTIC EXPEDITION. 125 



Sub-order myacea. 

 Family Glycimeridse. 

 Saxicava arctica (L.), var. antarctica, Phil. 



Sub-order anatinacea. 

 Family Lyonsiidse. 

 Lyonsia cuneata (Gray). 



Family Anatinidze. 

 Anatina elliptica, King and Brod. 



Order Septibranchiata. 

 Family Cuspidariidw. 

 Cuspidaria brucei, sp. n. 



B. From Ascension Island. 



Lotorium grandivnaculatum (Reeve). 

 Nerita (Thelicostyla) ascensionis, G-mel. 



C. From Saldanha Bay, South Africa. 

 Chzetopleura papilio (Spengler). 

 Ischnochiton tigrinus (Krauss). 

 Chiton nigrovirens, Blainville. 

 Acanthochites garnoti, Blainville. 

 Bullia annidata (Lam.). 



,, laevigata, Chem. ( = lwoissima, Gmel.). 

 Mytilus edulis, L., var. meridionalis, Krauss. 

 Mytilicardia {lliecalia) concamerata, Brug. 

 Tapes pullastra (Montagu). 

 Oxy stele impervia, Minhe. 



,, tigrina, Chem. 

 Crepidida hepatica, Desh. 

 Gyrineum (Argobuccinum) argus (Gmel.). 

 Phos plicosus, Dunker. 

 Cominella limbosa (Lam.). 

 Patella compressa, L., var. miniata, Born. 



,, (Scutellastra) granatina, L. 



„ ,, oculus, Born. 



Helcion pectinatum (Born.). 

 Fissurella mutabilis, Sowerby. 

 Megatebennus scutellum (Gmelin). 



