APLYSIA.—P tate VI. 
Species 26. (Fig. a, 6, Mus. Cuming, in Brit.) 
ApLysIA BIPEs. Apl. test@ compressa, oblique subovatd, 
concentrice rugatd, intus margaritaceo-calcared ; 
apice elevato, acuminato, vix incurvo; margine 
superiori declivi, ad terminum rotundo ; labio 
externo, anticé oblique producto; marginibus 
dorsali et inferiori perobliqué declivis. 
Tue pipep AptystA. Shell compressed, obliquely sub- 

ovate, concentrically wrinkled, within pearly-cal- 
careous; apex elevated, acuminated, very little 
incurved; upper margin sloped downwards, 
rounded at the end; outer lip anteriorly obliquely 
produced; dorsal and inferior margins very ob- 
liquely sloped forwards. 
PEASE. 
Hab. Pacitic Ocean. 

