SUBULINA, N. E. AFRICA. 85 



In one worn specimen there are milk-white 'bands parallel 

 to the suture. The generic position of this form is uncertain. 



Species of Northeast Africa. 



Probably some of the northeast African species placed in 

 Homorus might better have been left in Subulina. 



16. S. SENNAARIENSIS (Pfeiffer) . PL 14, figs. 54. 



Shell oblong-turrited, thin, smooth, pellucid, glossy, buff- 

 corneous ; spire with slightly curved outlines, the apex obtuse, 

 suture narrowly margined. Whorls 7%, a little convex, the 

 last nearly one-third the total length, rounded basally ; colu- 

 mella arcuate, somewhat calloused, narrowly truncated at 

 the base. Aperture slightly oblique, sinuate-oval; peristome 

 unexpanded, thin. Length 13, diam. 4.33, aperture 4 x 2.33 

 mm. (Pfr.). 



N.-E. Africa: Sennaar (Darnaud). 



Achatina sennaariensis PFR., Malak. Bl. 1855, p. 169 ; Novit, 

 Conch, i, p. 104, pi. 29, f. 17, 18; Monogr. iv, 612. 

 Subulina s., JICKELI, Moll. N.-O. Afr. p. 136. 



17. S. CHIARINII Pollonera. PL 14, fig. 55. 



Shell imperforate, subulate, waxen-glossy, transparent, 

 longitudinally striate under a lens ; suture rather oblique, sub- 

 crenulate. Whorls 8, nearly flat, the last one-third the total 

 length, tapering at base. Aperture oblique, narrowly oval, 

 acutely angular above, slightly receding basally. Columella 

 arcuate, oblique and shortly truncate. Length 12.5, diam. 

 3.25 mm. (Poll.). 



Let-Marefia, near Ankober, in the forest of Fehere-Ghem- 

 bre (Dr. Ragazzi). 



Subulina chiarinii POLL., Boll. Mus. Zool. ed Anat. Comp. 

 Univ. Torino, ii, 1887, no. 34; Bull. Soc. Malac. Ital. xiii, 

 1888, p. 74, pi. 2, f. 31. 



18. S. MABILLIANA Bourguignat. PL 14, fig. 56. 



Shell imperforate, slender, and long, not much attenuated, 

 fragile, glossy, diaphanous; uniform corneous, frequently 



