ENNEA. 99 



E. LJEVIGATA, Dohrn. PL 19, fig. 90. 



Sinnately rimate, somewhat solid, smooth, yellowish white ; 

 aperture with a parietal lamella, a profound plica on the colu- 

 mella, and a small tooth below it, two teeth on the right margin, 

 the upper one being larger, and tuberculate, lip shortly reflected. 



Length, 8 mill. 



Lake Nyassa, Africa. 

 Var. SEXDENTATA, Martens. 



The right margin of the aperture with three subequal teeth, 

 instead of two. Length, 7 '5 mill. 



Zanzibar. 

 E. COMORENSIS, Martens. PL 19, figs. 92, 93. 



Subrimate, diaphanous, shining, narrowly obliquely striate, 

 yellowish white ; aperture with a strong parietal plica, a biden- 

 tate wide columellar plica, a basal tooth, and two approximating 

 ones on the right margin; lip scarcelj- thickened, distinctly 

 reflected, subpitted externally. Length, 7 mill. 



Comoro Isles. 

 E. DUPUYANA, Crosse. PL 18, figs. 71, 42, 43. 



Subrimate, rather thin, smooth, shining, diaphanous, dirty 

 yellowish ; aperture with a parietal lamina, a subhorizontal 

 columellar plica, a minute subbasal tooth, and a central tooth 

 on the right margin ; lip white, slightly thickened, expanded, 

 subreflected. Length, 13 mill. 



Anjouan, Comoro Isles. 



E. quadridentata, Martens (figs. 42, 43), is a synonym. 



E. SPLENDENS, Mollendorff. PI. 20, figs. 62, 63. . 



Umbilicated, faintly striulate, shining, hyaline, suture crenn- 

 lated ; aperture with a strong parietal lamella, and two lip teeth 

 corresponding with external depressions. Length, 3'5 mill. 



China. 

 E. LUBRICA, Morelet. PL 20, "figs. 40, 41. 



Minutely rimate, smooth, shining, hyaline; aperture with a 

 prominent parietal plica, two columellar teeth, the upper one 

 strongest, outer lip with a median tooth ; lip callous, thick, 

 margin shortly reflected, the right margin sinuous, scrobiculate. 



Length, 9 mill. 



Ins. Mayotte. 



