296 LIMICOLARIA, EAST AFRICA. 



Length 89, diam. 35, length of apert. 37, width 20 mm. 



Northeast and north of the Victoria Nyanza, North Kaw- 

 irondo and Ussoga, especially at Lubwas, near where the 

 Nile flows out (0. Neumann, 1894). 



L. turriformis MARTS., Nachrbl. d. mal. Ges., 1895, p. 181; 

 Beschalte Weichthiere Ost-Afrikas, p. 102, pi. 4, f. 11. 



Similar at first glance to L. turris Pfr., from the Gazelle 

 river region, but more slender, with shorter mouth and much 

 weaker spiral sculpture, the vertical raised stride only some- 

 what uneven, not really granulose, the plication below the 

 suture stronger (Marts.). 



68a, Var. NEUMANNI Martens. PI. 33, fig. 32. 



More slender, pale straw-yellow, unicolored or with sep- 

 arated brownish growth-arrest marks, the lower half of the 

 last whorl more glossy, the colurnellar margin more or less 

 strongly bent to the left below. Length 89, diam. 34.5 ; length 

 of mouth 37, breadth 18 mm. (Marts.). 



Ntebbi, in Uganda (0. Neumann, 1894). 



68&. Var. SOLIDA Martens. PI. 33, fig. 29. 



Smaller, fusiform-turrite, thick-shelled, somewhat more 

 distinctly granulose, uniform pale yellow, the columellar 

 margin pretty vertical. No streaks whatever. Length 61-66, 

 diam. 25-29.5 mm. ; aperture 27-28.5 long, 15-18 wide (Marts.). 



Southwestern shore of Victoria Nyanza (Emin Pasha, 

 1877); Ntebbi, in Uganda (Neumann). 



69. L. LAMELLOSA Bourguignat. PI. 24, fig. 1. 



Shell covered-rimate, rather small, lengthened-oblong, 

 rather thick and opaque, somewhat glossy; uniformly buff- 

 straw colored ; elegantly lamellose, the lamellae regular, ob- 

 solete, rather distant, evanescent on the latter part of the 

 last whorl, the upper whorls smooth. Spire produced, oblong- 

 tapering, a little obtuse at the summit; whorls 8, a little 

 convex, separated by a somewhat impressed suture, the last 

 whorl convex, slightly more than half the total length. Aper- 

 ture suboblique, ovate, pearly white inside, the peristome 



