ABYSSINIAN HOMORUS. 133 



straight, the margins joined by a superficial callous. Length 

 55, diam. 13, aperture alt. 16, width 6.5 mm. (Jick.) 



Northeast Africa: between Genda and Asmara, prov. 

 Hamaszen, Abyssinia, under dead leaves in crevices of the 

 rocks. 



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

 Subulina vernicosa BGT., Malac. Abyss, p. 120. Subulina 

 antinorii Morel., JICKELI, Moll. Nord-Ost-Afr. p. 145, pi. 2, 

 f. 6 (jaw and teeth) ; pi. 5, f. 29 (shell). 



This fine species differs from H. cyanostoma in color, and is 

 larger than any of the other species. Jickeli finally united 

 it with antinorii Morel., a course considered erroneous by 

 Bourguignat. 



4. H. ANTINORII (Morelet). PL 58, fig. 50. 



Shell imperforafe, turrited, thin, smooth, slightly striate, 

 under the lens very finely decussate; glossy, unicolored corn- 

 eous-fuhous. Spire elongated, the apex rather obtuse, 

 papillate. Whorls 10, a little convex, joined by a deep suture, 

 the last whorl slightly exceeding one-third the total length. 

 Columella lightly arcuate, obliquely truncate, not reaching 

 the base. Aperture oblong, biangular ; peristome simple, thin, 

 unexpanded, the margins joined by a superficial callous. 

 Length 31, diam. 9 mm. ; aperture 11 mm. long, 4 wide 

 (Morel.). ( 



Northeast Africa : Dubur-Chair, a mountain in the Mensas 

 country, between the Bo gas and the Sanhar, Abyssinia 

 (Issel) ; Nefasit and Ghinda, Erythraea (Gen. Boccard). 



Achatina antinorii MORELET, Annali del Museo Civico de 

 Storia Naturale di Geneva, iii, p. 199, pi. 9, f. 9 (1872). 

 PPR., Monogr. viii, 284. Homorus a., KOBELT, C. Cab., p. 

 100. Subulina a., POLLONERA, Boll. Mus. Zool. ed Anat. 

 Comp. Univ. Torino xiii, no. 313, p. 7. 



5. H. DARNAUDI (Pfeiffer). PL 58, figs. 52, 53. 



Shell turrited, rather thin, nearly smooth, irregularly obli- 

 quely striatulate, subdiaphanous, pale corneous; spire elon- 



