94 ENNEA. 



E. PUP^FORMIS, Morelet. PL 19, figs. 81, 82. 



Sinuously rimate, obliquely closely costellate, yellowish 

 white ; moderately solid ; last whorl bicristate, corresponding 

 with palatal lamellae, the upper one of which reaches the lip ; 

 aperture with an entering lamella on the parietal wall near the 

 outer lip, outer lip with a tooth-like thickening, columella with 

 a profound bifid callus. Length, IT mill. 



Angola. 

 E. COMPLICATA, von Martens. PL 20, figs. 67, 68. 



Subperpendicularly rimate, obliquety striate, whitish ; last 

 whorl bisulcate; aperture with widely expanded margin, with 

 two columellar oblique plicae, two palatal lamellae and a strong 

 parietal plica. Length, 11 mill. 



Bonjongo, W. Africa. 



E. COLUMELLARIS, von Martens. PL 19, figs. 94, 95. 



Rimate, subobliquely costulate ; aperture seven-plicate, palate 

 with two lamellae corresponding with external sulci, the parietal 

 wall with a strong compressed plica, outer lip with a tubercle, 

 the columella with three deep-seated teeth, of which the two 

 upper oi^es are approximate. Length, 6-7 mill. 



Bonjongo, W. Africa. 



Too closely related to the next species. 



E. RINGICOLA, Morelet. PL 19, figs. 87, 88. 



Sinuously rimate, rather thin, obliquely narrowly costulate ; 

 horny white ; suture denticulately margined ; aperture with a 

 strong parietal lamina, a tooth on the outer lip, two palatal 

 lamellae corresponding with external sulcations, the upper one 

 reaching the lip, columella tridentate, lip callous, slightly 

 expanded, outer margin sinuous. Length, 10 mill. 



Angola. 

 E. DENTICULATA, Morelet. PL 27, figs. 12, 13. 



Arcuately rimate, smooth, shining ; light corneous, the suture 

 white-margined and minutely denticulate ; last whorl biscrobic- 

 ulate ; aperture with a parietal and two palatal plicae, columella 

 callously thickened above, lip expanded, somewhat thickened, 

 outer margin somewhat callous in the middle. Length, 7-8 mill. 



Abyssinia. 



