154 HOMORUS, WEST AFRICA. 



marked with numerous unequal brown streaks. Whorls 9, 

 equally increasing, very slightly convex, the upper three uni- 

 colored whitish, more strongly striate, the first small, oblique, 

 second globose, more distinctly costulate, the last whorl 

 rounded basally. Aperture rhombic-oblong, acutely angu- 

 lar above, the outer lip thin, slightly arcuate ; the basal margin 

 rounded; columellar margin thickened, a thin callous cover- 

 ing the columellar and parietal margins. Length 16, diam. 

 6.5, length of aperture 5, width 4 mm. (Marts.) 



West Africa: Buea, Kamerun, in old forest, especially on 

 Marattia fraxinea (Dr. Preuss). 



Achatina (Homorus) pyramidella MARTS., Sitzungsber. 

 Gresellschaft naturforsch. Freunde zu Berlin, 15 nov., 1892, 

 p. 181. Of. Beschalte Weichthiere D. O.-Af., p. 116 

 Homorus (Pseudoglessula} p., KOBELT, Conchyl. Cab. p. 114. 



From the description of the apex, translated above, I would 

 be disposed to place this species in Pseudoglessula, following 

 Kobelt; but the pale and streaked coloration is unlike that 

 group. Moreover, von Martens has emphatically stated that 

 it is not a Pseudoglessula. 



34. H. LUGUBRIS (Morelet). PI. 60, figs. 76, 77. 



Shell turrited, solid, closely and irregularly granose-striate, 

 silky, chestnut-blackish obscurely striped with darker streaks. 

 Spire elongate, the apex rather obtuse. Suture impressed, 

 crenulate. Whorls 14, subplanulate, the first smooth, sum- 

 mit pale corneous, the rest decussate with hair-like striae, 

 larger at the sutures, and inconspicuous transverse impress- 

 ions; the last whorl angulate at base, less than one-fifth the 

 total length. Columella short, curved, abruptly truncate. 

 Aperture small, oblong, violaceous within; peristome simple, 

 unexpanded, the columellar margin denuded of cuticle, buff. 

 Length 61, diam. 10, length of aperture 11 mm. (Morelet.} 



West Africa : Landana, above the mouth of the Congo. 



Stenogyra lugubris MOREL., Journ. de Conchyl. 1883, p. 

 399, pi. 10, f. 4. 



This species is remarkable for the large number of whorls, 

 fourteen, and the solid texture. It is covered with a fine, 



