0-fy 



422 Mr. A. Adams on new Mollusca from Japan. 



3. Dunkeria reticulata, A. Adams. 



D. testa subulato-turrita, imperforata, fusco-cinerea ; anfractibus 8|, 

 convexis, costellis longitudinalibus et liris transversis tenuibus ele- 

 vatis reticulatis ; liris tribus ad costas nodulosis ; in anfractu 

 ultimo liris numerosis ; apertura ovata, antice acuminata ; labio 

 rectiusculo. 



Hab. Awa-Sima ; low water. 



Genus Capulus, Montfort. 

 Capulus dilatatus, A. Adams. 



C. testa alba, lineis concentricis irregularibus instructa, transversim 

 subquadrata, lateribus valde dilatatis, apice marginali postico 

 recurvato ; apertura transversim ovata, intus alba, nitida, margine 

 foliaceo, reflexo, valde dilatato, postice vix recto, antice arcuato. 



Hab. Mino-Sima; 63 fathoms. 



Genus Agatha, A. Adams. 

 Agatha virgo, A. Adams. 



A. testa subulato-turrita, eburnea, opaca, nitida; anfractibus 9|, 

 planulatis, ad suturas vix angulatis, longitudinaliter substriatis, 

 transversim (sub lente) obsolete sulcatis ; apertura oblongo-ovata, 

 antice subproducta ; labio inferne plica valida obliqua instructo ; 

 labro intus laevi, margine simplici acuto. 



Hab. Korea Strait ; 46 fathoms. 



This species is as elegant in form as it is pure in colour ; it is 

 about an inch long, and may well be regarded as the queen of a 

 genus of which all the species are lovely. 



Genus Cemoria, Leach. 



Cemoria nobilis, A. Adams. 



C. testa ovata, depresso-conica ; apice subcentrali, postice recurvo ; 

 dorso costis radiantibus tribus parvis cum uno majore alternanti- 

 bus, lineis elevatis concentricis decussatis; foramine lanceolato, 

 antice angustato, postice in sulcum desinente ; septo interno valido, 

 arcuato ; apertura intus radiatim sulcata, margine dentato-crenato. 



Hab. Okosiri; 35 fathoms. 



This is the largest species of the genus, being nearly an inch 

 long and half an inch high. 



Shan-Tung, China, May 8, 1860. 



