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 minoribus 
instructo ; apertura ovali; labio simplici, labro margine valde 
crenato. ‘ 
Hab. Off Mino-Sima, Korea Strait; 63 fathoms. 
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. Off Mino-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 Scaxa, Klein. 
Subgenus Scarroxa, A. Adams. 
Testa turrita, umbilicata; anfractus simplices, ultimus solutus. Aper- 
tura circularis, peritremate continuo, recto, margine acuto. 
Scaliola bella, A. Adams. 
S. testa turrita, umbilicata, alba; anfractibus 73, 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 Isaris, H. & A. Adams. 
Isapis lirata, A. Adams. 
I. 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- 
_euato, in medio dente acuto instructo; labro intus leevi. 
Hab. Off Mino-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 Lsapis. 
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, 
