HELIX. 247 



Var. CANDIDA Rossmaessler. PL 56, fig. 8. 



Differs from the typical form in being more elevated, chalky 

 white, very strongly, coarsely striate. Egypt. 



It is H. rugosa Anton. 



Yiir. NUCULA Parreyss. 



Imperforate, subglobose, solid, densely and sharply striate, slightly 

 decussated under a lens, white, ornamented with brown bands some- 

 times obsolete; spire convex-conoid, obtuse; whorls 4 U, moderately 

 convex, rapidly increasing, the last inflated, regularly descending; 

 aperture somewhat diagonal, lunate-rotund, shining within; peri- 

 stome brown, the margins joined by a deep brown entering callus; 

 right margin obtuse, basal slightly reflexed, subappressed. 



Diam. 25, :l lt. 20 mill. (Pfeiffer}. 



Alexandria, Egypt. 



It is H. figulinu var. of Mousson. 



H. FIGULINA Parreyss, 1839. PI. 57, fig. 30; pi. 69, fig. 26. 



Imperforate, globose-conoid, opaque, rather solid, white or flesh- 

 color, five-fasciate with chestnut, the three upper bands generally 

 very narrow, second and third often confluent, sometimes the bands 

 a iv pale in color or entirely absent; densely obliquely striate, and 

 with spiral impressed lines which are scarcely visible, or more often 

 almost completely obsolete; spire conic, apex obtuse, corneous, shin- 

 ing; suture \vell impressed ; whorls 4, slightly convex, rapidly widen- 

 ing, the last subiudented at the axis, and slightly descending anter- 

 iorly; aperture rotund-lunar, oblique, colored the same within as 

 the outside, shining; peristome very regularly arcuate, simple, 

 narrowly labiate within with white, its ends not converging ; outer 

 and basal margins simple, columellar margin white, arcuate, vertical, 

 reflexed and adnate over the umbilical tract; parietal wall covered 

 by a very thin whitish callus. Diam..22-27, alt. 20-30 mill. 



Dalmatia; Greece; Asia Minor. 



Figure 30 represents the paler form from Dalmatia. Specimens 

 almost wholly devoid of bands I have seen. 



Var. POMACKI.LA Parreyss, 1860. PL 57, figs. 22, 23. 



Differs from the type in the more globose form, rounded aperture 

 and more strongly reflected peristome. 



Bosphorus. 



