246 FERUSSACIA, SECTION PEGEA. 



31. F. HAGENMULLERI Bourguignat. 



Shell elongate, glossy, a little opaque, corneous or some- 

 what corneous-buff, polished; spire long-oblong, regularly 

 tapering, the apex a little obtuse, whorls 7, slightly convex, 

 regularly increasing, parted by a linear paler suture ; the last 

 whorl slightly convex, over a third the total length. Aper- 

 ture vertical, lunate, irregularly subovate, angular above, 

 whitish within, with a minute parietal lamella. Columella 

 straight, stout, white, acuminate yet subtruncate below, in- 

 wardly with one or two tooth-like prominences. Peristome 

 straight, acute, thickened with white Avithin; outer margin 

 regularly arcuate; margins joined by a thin callus. Length, 

 13, diam. 4, aperture 5 mm. (Bgt.). 



Algeria : Roknia, near Hammam-Meskhoutin, type loc. ; 

 Djebel Thaya, and Rummel ravine near Constantine, etc., etc. ; 

 Tunis : El Aouine, etc. Djebel Recas, a larger, corneous 

 orange-yellow form. 



F. hagemnulleri BGT., Prodr. Malac. Tunisie p. 120, 1887. 



32. F. EREMIOPHILA Bourguignat. PI. 43, figs. 2. 



Shell fusiform-elongate, rather solid, glossy, subpellueid, 

 smooth, or sometimes indistinctly substriate under the lens, 

 corneous-buff. Spire long, conic, the apex obtuse. Whorls 7, 

 a little convex, regularly increasing, parted by a paler, dupli- 

 cated suture, the last whorl more than one-third the total 

 length. Aperture lunate, oblong, with 'a deeply immersed 

 lamellar callosity in the middle of the parietal wall, which in 

 some specimens is very strong, in others wanting or nearly so. 

 Columella straight, whitish, slightly twisted, not truncate, 

 and having a small tubercle above another smaller one some- 

 times towards the base; peristome unexpanded, acute, the 

 outer lip lightly arched forward ; margins joined by a rather 

 strong callus. Length 13, diam. 4, aperture 5 mm. (Bgt.). 



Algeria: widely spread in the province of Constantine, 

 environs of Constantine, type loc. Tunis: Porto Farina; 

 Djebel Recas. 



F. eremiophila BGT., Amen. Malac. i, p. 199, pi. 19, f. 20- 

 23 ; Malac. Algerie ii, p. 48, pi. 4, f . 1-4 ; Prodr. Malac. Tunisie 

 p. 120. KOBELT, Iconogr. n. F. vii, p. 30, pi. 187, f. 1186. 



