404 



It has the continuous peritreme of Eulimella, and the plait of 

 Odostomia. Not uncommon amonoj fossil forms. The genus has 

 recently been established by A. Adams, and may be his S. cinctella. 



EuLi^iA CARNEOLA. T. elevata, conica, suvdiaphana, incarnes- 

 cente nitidissima ; anfr. apicalibus 3 stylinis primo globoso, dein 2 

 conicis, denique 5 planatis ; sutura vix notata ; basi rotundata : 

 labro baud sinuato ; labro incrassato. Operculum tenue, parum 

 spirale, aperturam asquans. Axis 4-|- ; diam. 1.5 millim. Inhabits 

 Ousima. W. S. 



An unusually broad conical species of peculiar yellowish flesh 

 color. 



Odostomia bullula. T. minuta, ovata, margaritacea, lu- 

 cida; nucleo parvo, immerso ; anfr. 5 tumidis ; sutura impressa, 

 marginata ; basi ovata, imperforata. Apertura rotundato-ovalis ; 

 labro baud sinuato ; columella acuta, plica inconspicua, declivi. 

 Axis. 2 -j- ; diam. 1 -\- millim. Inhabits Loo Choo. W. S. 



Odostomia planata. T. elongata, pyraniidalis, tenuis, lac- 

 tea, polita ; nucleo nutante, immerso ; anfr. 8 planatis sutura 

 vix instrictis ; basi perforata, protracta. Apertura ovalis ; labro 

 postice sinuato ; plica columellari conspicua, acuta. Axis Q.b ; 

 diam. 2 millim. Inhabits Hong Kong. W. S. 



Well marked by its pyramidal form, perforate axis, and close 

 approach to Oheliscus. 



Odostomia sctbplanata. T. tenuis, elongato-ovata, Isevis, 

 flavo-albida ; nucleo parvo, laterali, immerso ; anfr. 4 vix con- 

 vexis, tabulatis ; basi producta, imperforata. Apertura ovata ; 

 labro baud sinuato ; phca columellari conspicua, acuta. Axis 

 2.7 : diam. 1 -|- millim. Inhabits Hong Kong. lY. S. 



Distinguished from the preceding by its less flattened whorls 

 and imperforate column. 



Odostomia lirata. T. majuscula, albida, acicularis ; nucleo 

 minuto, laterali, effbsso ; anfr. 6 rotundatis, liris quadratis (5-7) 

 cinctis, interstitiis 'eleganter clathratis ; basi producta, perforata. 

 Apertura ovalis, parum effusa ; labro concinne serrulato ; colu- 

 mella flexuo^a, vitrea, plica [)arva, obtusa, parum declivi. Axis 

 8.5 ; diam. 4 + millim. Inhabits China Seas. W. S. 



