242 HELIX. 



Var. INTRODUCTA, Ziegler. Fig. 59. 



Depressed, faintly banded, or yellowish without band, umbilicus 

 wider. 



N. Italy; Grasse, France. 



Var. DISMASTHIA, Nevill. 



Depressed, rather solid, whorls 7, scarcely convex, last whorl com- 

 pressed, scarcely descending, umbilicus narrower. 



Mentone, and near Genoa. 



Var. ALTICOLA, Nevill. 



More elevated, thinner, widely umbilicated ; whorls 7, convex, 

 the last globosely rounded, tumid at base. 



Diam. 27'5, alt. 18 mill. 



Mts. Mentone. 



Var. AMORICANA, Bourg. Fig. 57. 



Spire conical, composed of slowly increasing whorls, the last 

 whorl more rapidly increasing, slowly descending, aperture more 

 oblique, umbilicus narrower, peristome more strongly lipped. 



Depts. Morbihan and Alpes-Maritimes, France. 



H. INTERPRES, Westerl. PI. 58, figs. 35, 36. 



Rather widely umbilicated, solid, a little shining, yellowish white, 

 unicolored or variously, interruptedly banded with chestnut, regu- 

 larly, thinly striate above, last whorl closely spirally lineated; 

 whorls 6-6 *, the last -a little dilated, descending in front ; peris- 

 tome simple, acute, remotely white-lipped within. 



Diam. 17-21 mill. 



Eubcea, Greece. 



H. EREMOPHILA, Boissier. PL 58, figs. 49, 50 ; PI. 59, figs. 68-70. 

 Moderately umbilicated. somewhat solid, irregularly striulate, 

 chalky white, suture linear ; whorls 4J-5, flattened above, the last 

 narrow, scarcely descending anteriorly, periphery subangular ; 

 aperture yellowish -brown, becoming white towards the margin, 

 peristome simple, thinly lipped within. Diam. 1 inch. 



Syria, Desert of Sinai. 



H. cremnopJiila, Boiss. (err. typ.). 



Var. AMUNENSIS, Martens. Figs. 68-70. 



Somewhat smaller, with narrower umbilicus, orange-yellow. 



Desert of Egypt. 



