HELIX. 85 



Var. MACROMPHALA, Bottger. PI. 20, fig. 23, 24. 



Umbilicus wider, surface obsoletely, very minutely granular and 

 spirally undulately lineolate, light chestnut color with a white band, 

 here and there strigated with chestnut. Diam. 15'5-19 mill. 



Var. CYCLOTHYRA, Bottger. PL 20, figs. 33, 34. 



Larger, usually more depressed, umbilicus much wider, margins 

 of aperture approaching more closely. Diam. 19-22 mill. 



Var. APPELINSI, Mousson. PI. 20, fig. 25. 



More widely umbilicated, irregularly but strongly crispate-striate, 

 intermingled with elongated granulations, dull, light corneous, with 

 a pale dorsal band ; whorls 6, flattened, the last descending slightly 

 in front, periphery sometimes subangulated ; peristome a little ex- 

 panded, slightly but widely labiate within, margins converging, 



Diam. 15-19 mill. 



H. RAVERGIENSIS, Fer. PI. 20, figs. 13, 14. 



Narrowly umbilicated, rather thin, slightly pellucid, obliquely 

 striate, yellowish gray, with white bands at the suture and periphery ; 

 whorls 6, obliquely planulate, suture superficial ; peristome patulous, 

 with a white lip within. Diam. 7 mill. 



Caucasus, Georgia. 



It is H. Caucasica, Pfr., and H. limbata, Kryn. 



Var. PERSICA, Bottger. PI. 20, figs. 15, 16. 



More conically depressed, thicker, with thread-like stria?, here and 

 there rib-like, violet corneous, radiately strigate with white, bands 

 narrower and fainter. Diam. 17*5 mill. 



Astrabad, Northern Persia. 



Var. TRANSCAUCASICA, Bayer. PI. 20, figs. 31, 32. 



Differs from the type in the smaller more depressed, less striate 

 shell; umbilicus narrower; corneous. Diam. 15, alt. 12 mill. 



Southern Caucasus. 

 H. PRATENSIS, Pfr. PL 20, figs. 26-30. 



Moderately umbilicated, rugosely striate, whitish, with two chest- 

 nut bands, or without bands, and the last whorl becoming brownish 

 flesh color ; whorls 6, the last scarcely descending in front ; peristome 

 expanded, remotely white lipped within, margins approaching. 



Diam. 17 mill. 



Riv. Tortoom, Asiatic Russia. 



H. Bayerii, Parr, is a synonym. 



