LIMICOLARIA, N.-E. AFRICA. 277 



1888, p. 71, with var. iickelii Poll. JICKELI, Moll. Nord-Ost- 

 Afrikas, p. 164, pi. 2, f. 8 (jaw and teeth), pi. 6, f. 10 (shell). 

 The specimens from Choa are larger, 50-52x22-23 mm. 

 It is closely related to L. senaariensis. 



43a. Var. iickelii Pollonera. PL 28, fig. 28. 



Differs from the type by the more ovate-oblong spire and 

 the more tapering base of the last whorl. Length 49, diam. 

 19, apert. 18x9.5 mm. (Poll). 



N. E. Africa: Gumbi nell' Harrar, near Havash. 



Pollonera refers Jickeli's figure to this variety. It is 

 copied on my plate. 



43&. Var. sabatieri Pfr. 



Bulimus sabatieri Pfr. (Proc. Zool. Soc., 1856, p. 389, 

 Monogr., iv, 470), described from the " Bords du Fleuve 

 Blanc " (Sabatier), was later referred by Jickeli (Moll. 

 N.-O.-Afrikas, p. 166) to L. heuglini as a young shell. It 

 was never illustrated. The original description follows: 

 ' ' Shell subperf orate, ovate-oblong, rather thin, nearly smooth, 

 irregularly striatulate, painted with "alternating wavy stripes 

 of pale buff and dark brown; spire conic, paler above, the 

 apex obtuse ; whorls 6, a little convex, the last a little shorter 

 than the spire, obsoletely angulated below the middle. Colu- 

 mella straightened, purple-brown; aperture a little oblique, 

 narrowly elliptical; peristome simple, unexpanded, the colu- 

 mellar margin dilated above, reflexed and subadnate. Length 

 22, diam. 12, aperture 11x5.5 mm." (Pfr.). 



44. L. CHOANA Bourguignat. PL 28, figs. 26, 27. 



This constant form is, according to Bourguignat, distin- 

 guished from the typical L. heuglini by the noticeably sub- 

 pyramidal shell, more swollen below; by the slower increase 

 of the whorls, which are more crowded, and the last whorl, 

 notably less oblong than that of heuglini, is not so high, is 

 larger and more thick-set. The aperture is less oblong, more 

 excised (by the preceding whorl), of a semi-oval form, etc. 



N. E. Africa: Between Anboker and Alie-Amba, Choa 

 (Soleillet). 



