28 



cata. Cavositas versus iimbones flavida. Long. 90; alt. 28; lat. 15 

 millim. Inhabits Loo Choo. W. S. 



Some specimens in the Cuming Coll. are rather more solid. 



Ervilia bisculpta. T. crassa, elongata, ovato-trigonalis, alba 

 vel purpurascens, concentrice sulcata excepta, area postero-dorsali 

 radiatim arata : umbonibus purpureis vix antemedianis ; extremitate 

 antica rotundata ; extrem. postica oblique truncata, angulo postero- 

 rentrali acuto ; margine ventrali arcuata : cavositas nitida ; sinu 

 siphonali angusto, linguiformi. Long. 6 ; alt. 4 ; lat. 3 millim. In- 

 habits Kagosima, in sand, 5 fath. W. S. 



The coloration and sculpture is quite pretty and peculiar. 



Ervilia livida. T. minuta, tenuis, elongata, ovato-triangularis, 

 antice rotundata, postice acuta, rufescens vel rubido obsolete radiata 

 (intus ejusmodi picta) concentrice striatula ; umbonibus vix ante- 

 medianis : cardo debilis. Long. 7 ; alt. 4 ; lat. 3 millim. Inhabits 

 Kagosima Bay, in sand, 5 fathoms. W. S. 



Scrobicularia caduca. T. parvula, tenuis, lucida, fragilis, 

 submargaritacea, albida, ovata postice obhque truncata, subglobosa, 

 equilateralis, striis concentricis exilibus, quibusdam utroque laminosis 

 notata ; declivitate umbonali postica angulata : cavositas nitida, lineis 

 lacteis concentricis exhibens. Long. 10 ; alt. 8 ; lat. 6 milHm. Inhabits 

 Loo Choo. W. S. 



The hinge has one large and two small approximated cardinal 

 teeth, with a triangular pit between. 



Scrobicularia (Capsa) adunca. T. ovato-triangularis, tumida, 

 straminea, striis tenulbus concentricis lamellosis ordinatim insculpta ; 

 umbonibus paulum antemedianis, acutis ; extremitate antica semicir- 

 culari ; extrem. postica triangulari, rostrata ; margine ventrali incur- 

 vata ; margine dorsali excavatfi, levi : cavositas intra lineam pallialem 

 flavescens, extra pallidior: cardo validus. Long. 22; alt. 15; lat. 10 

 millim. Inhabits Loo Choo. W. S. 



Quite remarkable for its sharp, hooked, beak-like posterior ex- 

 tremity. It is closely allied to Neaera, and looks much like Gastrana 

 fragilis. 



Tellina lubrica. T. cuneata, salmonacea, Itevis ; umbonibus 

 fere terminalibus, acutis ; extremitate antica elongato-ovali ; extrem. 

 postica late truncata ; plica submarginali inconspicua ; dente antico 

 laterali remoto, obsolete; postico brevi, valido. Long. 14; alt. 9; 

 lat. 4 miUim. Inhabits Hakodadi Bay, in sandy mud, 6 fath. W. S. 



Comes nearest to T. felix, which has an acute posterior angle. It 

 also closely resembles T. fabagella. 



Tellina euglypta. T. solida, elongata, ovalis, ex albido flaves- 

 cens, costis concentricis elevatis remotis ornata, intervalUs et pagina 



