HELIX. 249 



whorls 5J, slightly convex, sensibly increasing, the last rotund, at 

 the periphery white-zoned, scarcely descending anteriorly, base ra- 

 diately marked with brown ; aperture oblique, rotund-lunar ; peri- 

 stome subsimple, the upper margin almost straight, lower briefly re- 

 flexed, much dilated and almost adnate at the umbilicus. 



Diam. 43, alt. 26 mill. (Rossmaessler). 



Constantinople. 



I know the species only by Rossmaessler's description, above trans- 

 lated. He mentions a var. /5. which is larger, and partly covered 

 by a deciduous yellowish cuticle. 



H. PHILIBINENSIS (Frivaldszky) Rossm., 1839. PL 67, fig. 100. 



Imperforate, depressed-globose, rather thin, plicate-striate, under 

 a lens decussated with spiral lines, white, with three narrow brown 

 bands above, and two separated, wide ones below ; spire slightly 

 elevated, obtuse ; whorls 4, slightly convex, the last inflated ante- 

 riorly descending, aperture oblique, lunate-rotund, within concolored ; 

 peristome simple, white, right margin deeply arcuate, columellar 

 margin declivous, dilated, appressed. Diam. 24, alt. 16 mill. 



(Pfeiffer). 



Rumelia ; Macedonia. 



This is H. Philibensis (Friv.) Pfr. (?). Rossmaesslersays: " Der 

 name soil wahrscheinlich Philippinensis heisen." 



Pfeiffer's description is given above. He gives as synonym " If. 

 Philibensis Friv. in sched. ! Nee H. Philibinensis Parr., JRossm." 



The figure represents Rossmaessler's form. 



H. NILOTICA Bourguignat, 1863. PI. 68, fig. 16. 



Covered imperforate, large, globose-conic, coarsely striate, almost 

 costulate at the sutures, pale whitish brown, and obscurely zoned 

 with whitish; spire elevated conic, apex smooth, obtuse; whorls 5 J, 

 slightly convex, rapidly increasing, separated by an impressed suture , 

 the lust large, rotund, slightly descending at the aperture ; aperture 

 slightly oblique, lunate-rotund ; peristome simple, slightly thicken- 

 ed, obtuse ; columellar margin nearly straight, expanded, widely 

 reflected, margins joined by a thin parietal callus. 



Diam. 38, alt. 42 mill. (Bourguignat). 



Damiette, Egypt. 



(. VULGARLS (Parreyss) Rossm., 1839. PL 57, fig. 19 ; pi. 59, figs. 

 45, 46. 



Imperforate, depressed-globose, rather thin, obliquely striate, de- 

 issated by spiral impressed lines ; yellowish, with four or five deep 



