PSEUDOGLESSULA. 169 



at 1800-2000 meters elev. (Missionary A. Leroy) ; Buloa near 

 Tanga (Eismann). 



Stenogyra leroyi BGT. Moll. Afr. Equat. p. 110, pi. 6, f. 11 

 (1889). Pseudoglessula leroyi MARTS. Beschalte Weichthiere 

 p. 115. fig. (dentition). 



The specimen taken by Eismann measures 37.5 mm. long, 

 11.5 wide, aperture 15.5 long. The dentition is roughly fig- 

 ured by Prof, von Martens. The central tooth is narrow, 

 with a single cusp, the adjacent lateral is bicuspid, the ecto- 

 cone small. 



17. P. SUBCARINIFERA (Smith). PI. 61, tig. 95. 



Shell elongate, acuminate above, imperforate, glossy, oliva- 

 ceous-brown. Whorl 7, the first turned in, next two convex, 

 ornamented with oblique curved and rather wide-spaced ribs, 

 the rest of the whorls convex, with more delicate, very close 

 ribs; separated by a slightly oblique, deep suture; the last 

 whorl oblong, encircled with an indistinct elevated line about 

 the middle. Spire produced, obtuse at the apex. Aperture 

 irregularly piriform, about one-third the total length; lip 

 thin, very narrowly expanded anteriorly; columella whitish, 

 arcuate in the middle, obliquely truncate below, sinuate be- 

 low the truncation. Length 16, diam. 7.5, aperture 6% mm. 

 long, 4 wide (Smith). 



East Africa: On the plains within 50 miles of Mamboya; 

 also at an elevation of 4000 to 5000 ft. (Last). 



Stenogyra (Sul)idina) subcarinifera SMITH, Ann. and 

 Mag. Nat. Hist. (6), vi, p. 157 (Aug., 1890). Pseudoglessula 

 s., MARTENS Beschalte Weichthiere, p. 115. Homorus (Pseu- 

 doglessula) carinifera Smith, KOBELT, Conchyl. Cab. p. 113. 

 P. subvaricifera MARTS., t. c. p. 114, in text. 



Var. major. Shell paler, with 8 whorls, the second and 

 third having more numerous ribs than in the typical form. 

 Length 18, diam. 8.5 mm. ; aperture 7 mm. long, 4.5 wide 

 (Smith). 



18. P. INTROVERSA (Smith). PI. 61, fig. 94. 



Shell elongate, acuminate above, narrowly rimate, hardly 



