205 



Var. DORGALIENSIS Maltzan. 



Differs from the type in the higher spire, thickened, decidedly 

 re flexed peristome, its terminations joined by a distinct callus. 



Diam. 20, alt. 101. mill. 



II. (iRoiLMAxxi Philippi, 1836. PI. 54, figs. 7, 8. 



Covered perforate, orbiculate- depressed, carinate, subtly striate, 

 white, with three or four spiral series of brown blotches; whorls 4-1, 

 subplanulate, the last subdeflexed anteriorly; aperture lunar axe- 

 shaped, dark banded within ; peristome simple, the upper margin 

 subcxpandcd, the basal appressed, subdilated and reddish at the 

 rolumella. (Pfei/er). Diam. 21 alt. tH mill. 



Palermo, Sicily. 



Benoit considers this a form of H. serpentina, a very probable 

 supposition. 



11. MURALIS Miiller, 1773. PL 62, figs. 35-37. 



Imperforate, depressed-globose, solid, opaque, whitish, with spiral 

 bands of blotches or large patches and irregular strigations of dark 

 brown, the base light; surface marked with coarse oblique, wavy 

 irregular wrinkles, obsolete below, and a secondary microscopic 

 sculpture of delicate undulating growth-lines, decussated by fine 

 spiral impressed lines; spire low-conic, obtuse; whorls 4-43; the 

 inner rather flattened, apex smooth, the body-whorl wide, well- 

 rounded, sometimes obtusely subangular at its origin, convex below, 

 indented around the axis, anteriorly suddenly, rather deeply de- 

 scending; aperture very oblique, dark within, oval-truncate; peri- 

 stoinc white, expanded, margins subapproaching, the basal somewhat 

 straightened within, appressed at the axis. Diam. 18, alt. 10 mill. 

 Sicily; Italy; southern France and Spain; Balearic Is. 



The following are synonyms: H. orgonensis Philbert, (pi. 60, figs. 

 71-73.) H. abromia Bourg., H. abraea Bourg. 



Var. i;r<;osA Ziegl. PL 62, figs. 42, 43. 



Very rudely sculptured above, the wrinkles white on a dark 

 ground; body-whorl often more or less keeled at its origin. 



Sicily. 

 Var. COST ri, ATA Benoit. PL 62, figs. 40, 41. 



Depressed; sculptured with strong ribs; peripheral keel extending 

 to the aperture. Western Sicily. 



