570 



prominente ; apertura angusta, antice dilatata ; columella uni- 

 plicata. 



Shell cylindricaUy fusiform, slender, semipellucid, horn- coloured, 

 apex acuminated, transversely engraved with very fine spiral strise ; 

 spire produced, pointed, whorls four, the first prominent; aper- 

 ture narrow, dilated anteriorly ; columella with a single plait. 



Cliina Sea. Mus. Cuming. 



24. Bulla fusiformis (pi. cxxi. f. 37), Adams. Tornatella 

 hullata, Kiener, Monograph. 



B. testa cylindrico-fusiformi, alba, Isevi, subpellucida, longi- 

 tudinaliter subsulcata ; spira elevata, acuminata, anfractibus 

 quinque, supra subcanaliculatis ; apertura lineari, in medio 

 coai'ctata, antice dilatata ; columella semiphcata, plica callosa ; 

 labro in medio inflexo. 



Shell cylindiically fusiform, white, smooth, semipeUucid, longi- 

 tudinally somewhat sulcated; spire elevated, acuminate, whorls 

 five, somewhat channelled above; apertui'e linear, contracted in 

 the middle, dilated anteriorly ; columella slightly pHcated, plait 

 callous, outer Up reflexed in the middle. 



China Sea. Mus. Cuming. 



25. Bulla simplex (pi. cxxi. f. 38), Adams. 



B. testa ovato-cyUndrica, alba, nitida, solida, Isevissima^ epider- 

 mide fusca tecta ; spira elevata, anfractibus quinque, ultimo 

 mammiUato ; lamina spiraK conspicua ; apertura angusta, antice 

 dilatata ; columella vix caUosa, plica evanida. 



Shell ovately cyhndrical, white, shining, poUshed, smooth, 

 covered with a fuscous epidermis ; spire elevated, whorls five, the 

 first one mammdlated ; spiral lamina conspicuous ; aperture 

 narrow, dilated anteriorly ; columella slightly callous, plait 

 obsolete. 



Cagayan, Island of Mindanao, 35 fathoms; sandy mud. Cuming. 



26. Bulla polita (pi. cxxi. f. 39), Adams. 



B. testa ovato-cylindrica, superne rotundata, apice truncata, 

 alba, solida, nitida, inferne transversim striata ; spira depressa, 

 anfractibus tribus, rotundatis, Isevibus ; apertura angusta, postice 

 producta, in medio subcoarctata, antice dilatata, labro in medio 

 subinflexo, incrassato ; columella plica valde distincta. 



