MOLLUSCA FROM EQUATORIAL AFRICA. 203 



Ennea foveolata, sp. n. (PI. XXXIII. figs. 5, 5 a.) 



Shell small, cylindrical, cream-coloured, polished ; whorls 6, 

 rather flat, plicate at the suture, otherwise smooth with the 

 exception of the latter portion of the last whorl which is plicate 

 throughout, last whorl bearing three hollows or dents just behind 

 the peristome ; suture impressed ; columella produced internally 

 into a very broad, squarish, shelf-like projection ; aperture some- 

 what square, armed with a small, rounded denticle immediately 

 below the shelf-like columella, a broad projection inside the outer 

 lip, a small denticle above this and a curved, erect, parietal 

 lamella ; labrum white, expanded, reflexed. 



Alt. 4-25, diam. maj. 1*5 mm. 



Aperture : alt. '75, diam. -75 (nearly) mm. 



Hab. Gazi, British East Africa [Bobin Kemp). 



Ennea funerea, sp. n. (PL XXXIII. figs. 6, 6 a.) 



Shell cylindrical, rather solid, somewhat shining, covered with 

 a dark blackish-brown periostracum ; whorls 7, the first rapidly, 

 the last three moderately increasing, flattish, sculptured with 

 regular, very oblique, transverse costulee ; suture impressed ; 

 columella vertically descending, outwardly broadened and ex- 

 panded, greyish white ; labrum slightly granular, also greyish 

 white and outwardly expanded with reflexed margin ; apertui'e 

 subquadrate, beai'ing a coarse, erect, parietal lamella, two slightly 

 distant lamellae on the inner margin of the outer lip, of which 

 the lower is the larger, a moderately sized, basal, tooth -like 

 lamella, and a very coarse and blunt, almost bifurcate lamella on 

 the columella. 



Alt. 6, diam. maj. 2'75 (nearly) mm. 



Aperture: alt. 1-75, diam. "75 mm. 



Hab. Chanler Falls, Eusso Nyiro River, British East Africa 

 ijiobin Kemp). 



Yar. LiEvis, var. n. 



Shell diflfering from the typical form in being almost destitute 

 of the transverse sculpture. 



Alt. (of type specimen) 7, diam. maj. 2*75 mm. 



Aperture : alt. 2, diam. "75 mm. 



Hab. Between the Eusso Nyiro River and Mount Marsabit, 

 British East Africa (J.. Blayney PercivaT). 



Though the series of the typical form collected by Mr. Kemp 

 at the Chanler Falls scarcely varies in size, the present variety 

 shows enormous differences, as below : — 



Largest specimen: alt. 8-5, diam. maj. 3"25 ; aperture: alt. 2, 

 diam, '75 mm. 



Smallest specimen : alt. 4*75, diam. maj. 25 ; aperture : 

 alt. 1'5, diam. '75 mm. 



Ennea hector, sp. n. (PI. XXXIII. fig. 7.) 



Shell large, ovately cylindrical, rather thin, smooth but for 



14* 



