108 HELIX. 



the last suddenly deflected in front, periphery carinate; peristome 

 sublabiate, simple above, reflected below, margins joining. 



Diam. 23 mill. 



Lombardy. 

 H. TRIZONA, Ziegler. PI. 25, figs. 45-47, 



Umbilicated, yellowish white, three-banded with chestnut ; whorls 

 5-5*, somewhat flattened, the last descending in front, peristome 

 subsimple, expanded above, reflected below, columellar margin 

 dilated, extremities joining. Diam. 30 mill. 



Servia, Roumelia. 



It is H. tricincta, Miihlf., H. zonata, Fer. var. 



Var. RTJMELICA, Ziegler. PI. 25, figs. 48, 49. 

 Smaller, with narrower whorls. Diam. 22 mill. 

 H. rhodopea and If. Sanderiana, Friv. are synonyms. 



Var. INFLATA, Bielz. PI. 25, fig. 50. 



Inflated, thin, with narrower umbilicus than the type. 



Var. FRAUENFELDI, Zelebor. PL 25, fig. 51. 

 Whitish, with hyaline bands. 



Var. BALCANICA, Friv. PL 25, figs. 52, 53. 



Yellowish green, upper and lower bands grown together here and 

 there uniting with the median zone. 



Balkan. 

 Var. EXIGUA. PL 25, figs. 54, 55. 



Differs only in its much smaller size from the preceding. 



Var. DOBRUDSCH^E. 



Darker than type, with wide umbilicus, and depressed whorls j. 

 margins of peristome less approaching. Lower band wide. 



Diam. 27, alt. 13 mill. 



Roumania. 



Unfigured Species. 



H. AMATHIA, Bourg. France. 



H. SIGELA, H. PERFECTA, H. COMPSOPLEURA, Bourg. Italy. 



H. HEMONICA, Thiesse. Greece- 



