ABYSSINIAN HOMORUS. 135 



Var. Ihotellerii Bgt. PI. 58, fig. 47. 



This form has only 5 whorls, wider in proportion to length 

 than in varidbilis, a shorter columella, the outer lip always 

 with a cuticle bending inwards. Length 20, diam. 7, aperture 

 7.5 mm. high, 4 wide; penult, whorl 4 mm. high, 5.33 wide. 

 Asmara plateau, about 7200 ft. elev. 



S. varidbilis var. B., JICK. t. c. p. 140, pi. 5, f. 24. 

 8. Lhotellerii BGT., Moll. Egypte, Abyss., etc. p. 10 (1879) ; 

 Malac. Abyssinie, p. 121. 



Var. jickelii Bgt. PI. 58, fig. 48. 



This variety has 11 whorls, and is distinguished by its largo 

 size, thin shell of a greenish color, larger embryonic whorl and 

 higher last volution. Length 30, diam. 7, height of aperture 

 7.25, width 4 mm. ; penult, whorl 5 mm. high, 6 wide. Col- 

 lected on the way from Genda to Asmara (Jick.). 



Jickeli has described and figured the jaw and teeth of this 

 form. 



S. v. var. C., JICK., t. c. p. 140, pi. 5, f. 25; pi. 2, f. 4 

 (dentition) . Siibulina jickelii BGT., Moll. Egypte, Abyss, etc., 

 p. 10 (1879) ; Malac. Abyss., p. 121. 



7. H. ANGUSTATUS (Jickeli). PI. 58, figs. 54, 55. 



Shell imperforate, subulate, longitudinally striate under the 

 lens, vernicose, waxy greenish (?). Spire elongate, the apex 

 a little obtuse; suture suboblique, rather deep, seen to be 

 submarginate under a lens. Whorls lO 1 /^, somewhat convex, 

 the last descending, more than one-fourth the total length. 

 Aperture oval, acutely angular above, widened and receding 

 at the base. Columella rather deeply arcuate, subobliquely 

 truncate ; lip curved, thin, acute. Length 24, diam. 5.75, alt. 

 apert. 5.5, width 3 mm. ; penult, whorl 3.75 mm. high, 3 

 wide (Jick.). 



Northeast Africa: Ravine of Asqaq, near Nakfa, in the 

 Habab range, Abyssinia. 



Stenogyra angustata JICK., Malak. Bl. 1873, p. 104 ; Reise- 

 bericht p. 60. Sululina angustata JICK., Moll. Nord-Ost- 



