86 SUBULINA, N. E. AFRICA. 



with, minute scattered whitish dots ; smooth, appearing some- 

 what striatulate under a very strong lens. Spire long, mod- 

 erately tapering, the apex obtuse. Whorls 7 to 8, quite eon- 

 vex, regularly increasing, parted by a deep suture; the last 

 whorl oblong-rounded, scarcely one-fourth the total length, 

 slowly descending above. Aperture oblique, oblong; peris- 

 tome unexpanded, acute. Columella short, slightly arcuate, 

 quite abruptly truncated below; the margins joined by a 

 transparent parietal callus. Length 8 to 9, diam. 2, alt. 

 apert. 2 mm. (Bgt.) . 



Abyssinia: Mt. Abouna Yusef, 4000 meters elevation 

 (Raffray). 



S. mabilliana BGT., Malacologie de I'Abyssmie in Ann. Sci. 

 Nat. (Zool.), xv, 1883, p. 83, pi. 9, f. 68, 69. POLLONEEA, 

 Boll. Mus. Zool. ed Anat. Comp. Univ. Torino, xiii, no. 313, 

 p. 8 (1898). 



Differs from 8. tnunzingeri by the less attenuated less acu- 

 minate form, uniform corneous color, less numerous and quite 

 convex whorls separated by a deep suture, etc. 



A "mutation" elongatula Pollonera, is longer, length 12 

 mm., with the spire more produced. Based on a single shell 

 from Adi-Caie, Erythrea. 



19. S. MUNZINGERI (Jickeli). PI. 14, figs. 52, 53. 



Shell imperforate, subulate, thin, glossy, hyaline, whitish, 

 longitudinally striatulate under a lens. Whorls 8, subin- 

 flated, separated by a rather deep, oblique suture, the last 

 descending, one-fourth the total length. Aperture oblique, 

 vertically piriform; columella arcuate, very obliquely trun- 

 cate ; lip thin, acute. Length 9.5, diam. 1.75, aperture 2 x 1.33 

 mm. (Jick.) . 



Beniamer near Weld Jawa, 2814 ft. elevation, on the bank 

 of the Falkat; Nakfa, Habab, at the roots of plants (Jickeli). 

 Mt. Abouna Yousef, 4000 meters elev. (Raffray). 



Stenogyra munzingeri JICK., Malak. Bl. 1873, p. 103. 

 Acicula m., JICK., Fauna der Land- und Susswasser-Mol- 

 lusken Nord-Ost-Afrikas, in Nova Acta Acad. Cass. Leop.- 

 Carol. Germanic Nat. Cur. vol. 37, p. 133, pi. 2, f. 3 (jaw 



