246 FERUSSACIA, SECTION PEGEA. 



31. F. HAGENMULLERI Bourguigntat. 



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 within; outer margin 

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

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



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. hagenmulleri BGT., Prodr. Malac. Tunisie p. 120, 1887. 



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



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

 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 ia 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 unexpended, 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. 



