ENNEA. 97 



scrobiculate ; aperture five-dentate, a flexuous lamella on the 

 parietal wall, a profound bidentate plica on the columella, and a 

 basal and two lip teeth on the outer lip ; lip white, reflected. 

 Length, 5'fi mill. 



Natal, So. Africa. 



E. CAVIDENS, von Martens. PL 18, figs. 72-74. 



Rimate, yellowish white, obliquely striate, last whorl scrobic- 

 ulate ; aperture 6-7 denta.te, the lip widely reflected, with a 

 large, compressed, subflexuous parietal plica, outer margin 

 bidentate, the lower one larger, laminate, basal margin 1-2 

 dentate, columellar margin two-dentate, the lower one larger, 

 transverse, entering. Length, 13-14 mill. 



Bonjongo, W. Africa. 

 E. MENKEANA, Pfr. PL 18, fig. 79. 



Sinuately rimate, rather solid, somewhat obliquely closely 

 costulate, diaphanous, whitish, suture margined with white 

 teeth, base of body-whorl profoundly biscrobiculate ; aperture 

 nearly closed by teeth, a blade-like tooth on the parietal wail, a 

 second on the columella, a third at the base and two deep-seated 

 ones on the outer lip ; lip white, expanded, somewhat reflected. 



Length, 11 mill. 



Natal, So. Africa. 

 E. CRASSIDENS, Pfr. PL 19, fig. 100. 



Obliquely rimate, rather strongly plicate, whitish, body-whorl 

 profoundly scrobiculate ; aperture with a short parietal lamina, 

 two strong (sometimes confluent) teeth on the right margin, a 

 small tooth at the base, and a larger profound one on the colu- 

 mella ; lip white, somewhat reflected. Length, 6 mill. 



Natal , $o. Africa. 

 E. ALBERSI, Pfr. PL 19, figs. 83, 84. 



Flexuously rimate, subperforate, somewhat solid, closely 

 somewhat obliquely costulate, opaque, white, suture crenulated ; 

 body-whorl biscrobiculate; aperture with a strong linguiform 

 parietal lamella near the insertion of the dextral margin, a 

 second compressed lamella on the columella, a basal tooth, and 

 two on the outer lip; lip white, expanded, somewhat reflected. 



Length, 15 mill. 



Natal, So. Africa. 



