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



gulis tribus transversis prominentibus et costellis longitudinalibus 

 clathratis, costellis ad cingulos tuberculis acutis asperulatis ; 

 anfractu ultimo cingulis quatuor et aliis basalibus miaoribus 

 instructo ; apertura ovali ; labio simplici, labro margine valde 

 crenato. 



Hab. Off Mino-Sima, Korea Strait ; 63 fathoms. 



6 ,H » \ %Tt . \ . 2fc » 52^ Dunkeria pulchella, A. Adams. 



D. testa turrita, sordide alba, imperforata ; anfractibus 7£, convexis, 

 cancellatis, cingulis quatuor tenuibus transversis, et liris lamellosis 

 longitudinalibus numerosis ad cingula crenatis, anfractu ultimo 

 cingulis quinque circumcincto ; apertura ovali ; labio simplici ; 

 labro margine crenulato. 



Hab. OffMino-Sima; 63 fathoms. 



I have not described the nucleolar whorls of these shells, as 

 they appeared to me in each case to be very similar ; nor have I 

 recorded any broken fragments of others, which were numerous. 



Genus Scala, Klein. 



Subgenus Scaliola, A. Adams. 



Testa turrita, umbilicata ; anfractus simplices, ultimus solutus. Aper- 

 tura circularis, peritremate continuo, recto, margine acuto. 



>H ^%1% , 1 . 2B . S& & Scaliola bella, A. Adams. 



S. testa turrita, umbilicata, alba ; anfractibus 7|, rotundatis, simpli- 

 cibus, ultimo soluto ; suturis profundis ; apertura circulari, peri- 

 tremate continuo, recto, margine acuto. 



Hab. Sea of Japan; off Tabu- Sima; 25 fathoms. 



Genus Isapis, H. & A. Adams. 



Isapis lirata, A. Adams. 



J. testa ovoidea, pallide fusca, rimata, solida, liris transversis, validis, 

 interstitiis simplicibus ornata ; anfractibus 3, ultimo magno, ovato ; 

 apertura oblonga, antice acuminata, subreflexa; labio crasso, ar- 

 cuato, in medio dente acuto instructo; labro intus lsevi. 



Hab. OffMino-Sima; 63 fathoms. 



This genus is quite distinct from Leucotina, which is thin 

 and has an oblique fold on the columellar lip, and not a distinct 

 tooth as in Isapis. 



Isapis now numbers four species : namely anomala, C. B. 

 Adams ; maculosa ; Carp. ; ovoidea (Narica), Gould ; and lirata, 

 A. Adams. 



Cranopsis pileolus } A. Adams. 

 C. testa ovali, compressa, pileiformi, apice postice recurvo, revoluto, 



