HELIX. 201 



H. ARISTATA, Krynicki. PI. 45, figs. 64, 65. 



Moderately umbilicated, thin, pellucid, shortly hispid, striate and 

 occasionally granular, brownish corneous, with a whitish band ; 

 whorls 7, planulate ; peristome patulous, subreflected, interiorly 

 margined. Diam. 9 mill. 



Caucasus. 

 H. EUAGES, Bottger. PI. 45, figs. 66-68. 



Moderately umbilicated, subpellucid, reddish brown, strongly 

 costulate, the interstices very minutely granular, suture very deep ; 

 whorls 6J, the last descending in front, obsoletely angulated ; peris- 

 tome a little expanded, rosy-lipped within. Diam. 16'5 mill. 



Caucasus. 

 Var. DEPRESSA, Bottger. 



More depressed, with stronger keel, and more oval aperture. 

 Diam. 16'5 mill. 



H. SEPTEMGYRATA, Mousson. PI. 45, fig. 69. 



Narrowly umbilicated, thin, fragile, pellucid, strongly striate 

 above, more lightly striate below, shining, dark brown, with a 

 whitish band ; whorls 7, slowly increasing, the last a little descend- 

 ing in front, with convex base, very minutely spirally lined around 

 the umbilicus; peristome acute. Diam. 16 mill. 



Transcaucasia. 

 H. FLAVOLIMBATA, Bottger. PI. 45, figs. 70-72. 



Smaller, more depressed than the last species, very narrowly per- 

 forate ; whorls 6, the last angulated ; olivaceous, with a whitish 

 band, here and there radiated with yellow, with a yellowish line 

 behind the aperture, strongly striate above, obsoletely so below, 

 with spiral lines on the base; whorls 6-6 J, the last scarcely de- 

 scending, periphery angulated ; peristome expanded, lipped within. 



Diam. 12'5-14 mill. 



Transcaucasia. 



H. NORDENSKIOLDI, Westrl. PI. 45, figs. 76-78. 



Moderately umbilicated, globose or globose depressed, pellucid, 

 smooth, rarely sparsely short haired, shining, yellowish red, upper 

 whorls reddish brown, with a white band, closely costulate above 

 and below ; whorls 6*-7, the last not descending in front, obtusely 

 subangulated ; periphery thinly, widely sublabiate. 



Diam. 12-14 mill. 



Jenissei, Siberia 



