248 TAYLOR : ON HELIX ARBUSTORUM. 



Var. rudis Muhlfeldt. Shell small, spire depressed, marked with transverse 

 somewhat confluent yellow lines, epidermis rugosely-plicate. Diam. 

 maj. 21, min. 18, alt. 14 mill. 



Tyrolese Alps (Pfeiifer). Not found in England. 



Var. styriaca Frauenfeld. Shell moderately umbilicated, much depressed, 

 fuscous-horny, with markings and radiating lines of pale yellowish, 

 the central band dark fuscous. Diam. maj. 25, min. 22, alt. 12 mill. 



Inhabits Styria. Not found in this country. 



Referred to the subgenus Campylcsa when first described. 



Var. aethiops Bielz. Shell depressed, thin, translucent, blackish-chesnut, uni- 

 colored, narrowly umbilicated. Diam. maj. 18, min. 15, alt. 9 mill. 



Found on the mountains of Transylvania, at an altitude of 

 6000—7000 feet. Not found in this country. 



Dr. Martens says it is found on soils deficient of limestone. 



Var. fusca Ferussac. Shell broM-n, depressed, very thin and semitransparent. 

 {^=H- picea Ziegl.- — H. Wittniaftnii Zawadsky. — var. tenuissima Pfr.) 



Found at Lunna, East Zetland, where there is no limestone 

 or other calcareous rock (Jeffr.); Scilly Isles (Miss F. M. Hele). 

 Miss Jessie Hele has found at Carlisle some specimens which she 

 thinks are this form, but larger than usual; she has also received 

 'very transparent' specimens from York. 



Moquin-Tandon records this var. from Mont Dore, and the 

 Upper Vosges, France; Pfeiffer from granitic mountains in Car- 

 inthia; Dr. Kobelt from the Black Forest; and I have taken it 

 from the slopes of the Prevent, at Chamouni, Switzerland. 



Var. Repellini Charpentier. Shell flatter, thin, pale and semitransparent. 

 {^=H. planospira Gras). 



Near Grenoble, France (Moquin-Tandon). Not yet found 



in this country. 



Var. Canigonensis Boubee. Shell more depressed, very thin and transparent, 

 slightly banded or unicolored. {=H. xatartii Farines). 



Costa Bona, near the the sources of the Tech river, Pyrenees 

 Orientales (Dupuy). Spain (Ponsonby). Not known to inhabit 

 this country. 



J.C, iii., October, 1881 



