144 HELIX. 



Like that species, too, the codringtoni seems to be an esteemed 

 delicacy of the cuisine ; for Roth relates that in the markets of 

 Athens quantities of them are exposed for sale during the Lenten 

 season. 



H. CRASSA Pfeiffer. PI. 38, fig. 76-77. 



Subcovered umbilicate, depressed, thick, ponderous, rugosely 

 striate, with revolving lines, and five or fewer interrupted brown 

 bands, sometimes wanting; spire slightly elevated, apex obtuse; 

 whorls 4-5, slightly convex, regularly increasing, the last depressed, 

 subplanulate below, deflected in front, compressed around the um- 

 bilicus; aperture very oblique, ovate-truncate, peristome widely 

 expanded, labiate with white, its margins subparallel, extremities 

 connected by a light callus. Diam. 42 mill. Corfu. 



H. INTUSPLICATA Pfeiffer. PI. 43, figs. 73-75. 



Umbilicate, depressed, solid, rudely obliquely striate, and with 

 fine revolving lines, bluish-white; spire slightly convex, apex obtuse; 

 whorls 5, the last flattened, anteriorly deflected, more convex below; 

 aperture very oblique, irregularly oval, reddish within; peristome 

 briefly expanded, margins converging; base with an internal trans- 

 verse callous plication. Diam. 31 mill. 



Mt. Chelmos, in Arcadia. 



A rare species. 



H. MASSYLJSA Morelet. PI. 38, figs. 86-88. 



Imperforate, globose depressed, somewhat solid, with irregular 

 incremental striae decussated by revolving lines ; color yellow- 

 ish white, concolored, or encircled by five reddish brown bands; 

 spire conoid, apex smooth, obtuse ; whorls 5, convex, the last widened 

 and descending at aperture, inflated below ; aperture oblique, some- 

 what subquadrate, as long as wide ; peristome narrowly expanded, 

 white ; columella dilated, callous. Diam. 40 mill. 



Algiers, Province of Constantine and southward. 



A var. concolor is described by Bourguignat. 



Var. ZENATIA Kobelt. 



Last whorl less expanded ; mouth shorter, and columellar callus 

 less extended. 



Wed Zenati, Algiers. 



