148 



Syrnola subula. T. valde acuta, solida, polita, alba; 

 anfr. 9 planatis (linea rufa cincta ?) ; sutura impressa; basi pro- 

 ducts. Apertura ovalis ; peritremate continuo ; columella plica 

 unica acuta, declivi instructa. Axis -4 ; diam. 1 millim. Inhabits 

 China Seas. W. S. 



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

 Odostomia. Not uncommon among fossil forms. The genus has 

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



Eulima 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 aequans. Axis 4-j- ; 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-\-; diam. 1 -j- millim. Inhabits Loo Choo. W. S. 



Odostomia planata. T elongata, pyramidalis, 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 6.5 ; 

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



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

 approach to Obeliscns. 



Odostomia subplanata. 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 ; plica, columellari conspicua, acuta. Axis 

 2.7 ; diam. 1 -j- millim. Inhabits Hong Kong. W. S. 



Distinguished from the preceding by its less flattened whorls 

 and imperforate column. 



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

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



