DIAPHORA. 107 



and a bidentate columellar plica ; lip somewhat thickened, 

 shortly expanded, contracted in the middle. Length, 4 mill. 



Angola, Africa. 

 E. VERMIS, Morelet. PI. 20, fig. 37, 



Rimate, smooth, shining, diaphanous, whitish ; aperture five- 

 toothed a parietal and a columellar plication, a tooth on the 

 outer lip, and two more at its base ; there is, perhaps, a deep- 

 seated tooth in addition, in the throat ; lip slightly expanded. 



Length, 3 mill. 



Isle Mayotte. 

 E. TAYLORI, Gibbons. PI. 27, fig. 15. 



Rimate, thin, subdiaphanous, polished, obsoletely costate, the 

 costae more apparent at the sutures ; aperture with a parietal 

 lamina, right margin a little inflected in the middle. 



Length, 5 mill. 



Zanzibar. 



E. SEXDENTATA, Taylor. (Unfigured.) Zanzibar. 



E. MORCHIANA (Rripstorff), Nevill. (Unfigured.) Nicobar Is. 

 E. BOLIOLUM, Morelet. (Unfigured.) Gabon, W. Africa. 



E. CANARICA (iBeddome), Blanford. (Unfigured.) 



Province of So. Canara, Southern India. 



Subgenus DIAPHORA, Albers, 1850. 



E. CYLINDRELLOIDEA, Stoliczka. PL 20, fig. 25. 



Narrowly riraate, costulate, suture deeply impressed, last 

 whorl obtusely carinate at the base, dissolute and a little 

 descending near the aperture; lip continuous, thickened, ex- 

 panded, 'aperture with a strong superior lamina, and a tooth on 

 the outer lip. Length, 5 mill. 



Near Moulmein, Burmah. 

 E. CUMINGTANA, Pfr. PL 20, fig. 23. 



Umbilicated, obliquely striulate, shining, hyaline ; last whorl 

 dissolute, protracted, cnrinate above and below, laterally com- 

 pressed ; aperture without teeth, lip continuous, shortly ex- 

 panded. Length, 9*5 mill. 



Philippines. 



Described as a C3dindrella, which it much resembles. 



E. PORRE.GTA, von Martens. (Unfigured.) So. East Borneo. 



