ENNEA. 99 



E. L^VIGATA, Dohrn. PI. 19, fig. 90. 



Sinuately 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. 



Subrimato, diaphanous, shining, narrowly obliquely striate, 

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

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

 ones on the right margin; lip scarcely thickened, distinctly 

 reflected, subpitted externally. Length, f mill. 



Comoro Isles. 

 E. DUPUYANA, Crosse. PI. 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. guadridentata, Martens (figs. 42, 43), is a synonym. 



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



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

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

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



China. 

 E. LUBRICA, Morelet. PI. 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, scrobicnlate. 



Length, 9 mill. 



Ins. Mayotte. 



