HELIX. 117 



deflected in front, periphery acutely carinated ; aperture horizontal, 

 peristome continuous, solute, sublabiate, columellar margin reflected. 

 Diam. 17-20 mill. 



Middle and Northern Europe, Madeira. 



H. affinis, Gmel., H. acuta, Da Costa, H. rhenana, Hartm., H. expla- 

 nata, Schranck, H. Lecoquii, Paton, H. mamillata, Risso, and per- 

 haps H. albella, Linn. (= juv.), are synonyms. 



Unfigured Species. 

 H. ANDORRICA, Bourg. Pyrenees. 



Section III, ARIONTA, Leach, 1820. 

 A. European Species. 



H. ARBUSTORUM, Linn. PI. 32, figs. 43, 44. 



Subcovered perforate, rather thin, shining, very minutely spirally 

 striate, longitudinally subrugosely striate, striae stronger at the 

 suture, brown, spotted with straw color, usually with a chestnut 

 band; whorls 6, convex, the last scarcely deflected in front; peristome 

 white-lipped, upper margin expanded, basal margin reflected. 



Diam. 24 mill. 



Middle and Western Europe. 



H. Gothiea, Linn, and If. unifasciata, Da Costa are synonyms ; 

 H. turgidula, Wood is a scalariform monstrosity. Extends from the 

 valleys to an elevation of 8600 feet. 



Var. PICEA, Ziegler. PI. 32, fig. 45. 



Very thin, papyraceous, olive or chestnut, unicolored, or with a 

 band, rugosely plicate. Diam. 20 mill. 



H. Wittmanni, Zawadsky is a synonym. 



Var. JETSCHINI, Kobelt. PI. 33, fig. 51. 



Nearly unicolored, very rarely here and there spotted with yellow, 

 thin, translucent. 



Var. DOROS, Paulucci. 



Deep uniform olivaceous green, without spots, sometimes with a 

 faint band. 



Mt. Bar one, Piedmont. 



