HELIX. N^ 



VI, Group of H. intermedia, Fer. 

 H. GLACIALIS, Thomas. PL 30, figs. 73-75. 



Moderately umbilicated; yellowish, variegated, singly banded 

 with chestnut, plicate-striate above, lightly spirally lineate ; whorls 

 5, somewhat convex, the last scarcely deflected, slightly angulate; 

 peristome white-lipped, upper margin scarcely expanded, basal 

 margin shortly reflected. Diam. 13 mill. 



Mts. Tyrol and Northern Italy. 

 H. AEMULA, Kossm. PL 30, fig. 72. 



Narrowly umbilicated, rather thin, striate, very slightly, thinly 

 decussated, opaque, white, with a narrow chestnut band ; whorls 4, 

 subplane, the last deflected in front ; peristome thin, expanded, 

 scarcely sublabiate, margins joining. Diam. 12 mill. 



Tyrol, Northern Italy. 



It is H. Martinatiana, De Betta, H. Ambrosi, Strob., H. cingulina, 

 Bas. 



H. INTERMEDIA, Fer. PL 29, figs. 64-66. 



Openly umbilicated, striate, yellowish white, unicolored, or three 

 banded with chestnut, outer bands interrupted ; whorls 5, flattened, 

 the last deflected in front; aperture subhorizontal, peristome reflected, 

 margins nearly continuous. Diam. 16 mill. 



It is H. catenulata, Miihlf. and H. cornea, Brum., H. tetrazona, 

 Jan, referred here as a variety by Pfeiffer, is an Iberus. 



H. PIC^ENA, Tiberi. PL 33, figs. 71-72. 



Umbilicate, depressed, obliquely striate, light corneous, with four 

 subcontinuous bands of pale rufous, spire depressed, apex rufous, 

 glabrous, whorls 5, separated by deep sutures, the last compressed, 

 subangulate at periphery, deflexed anteriorly, subplanulate below; 

 aperture very oblique, subovate, peristome sublabiate with brown ; 

 basal margin briefly reflected, columella dilated. 



Diam. 20, alt 7? mill. 



Mt. Pizzo di Sivo. 



H. ZIEGLEBI, Schmidt. PL 29. figs. 67-69. 



Widely umbilicated, greyish white, interruptedly three-banded, 

 plicately ribbed above; whorls 5, somewhat flattened, the last sud- 

 denly deflected in front; peristome labiate, margins nearly continuous, 

 expanded above, reflected below. Diam. 20 mill. 



Alps, Carniola. 



It is H. strigata, var., Cantraine. 



