HELIX-EULOTA. 217 



lipped within, the basal margin deeply arcuate, columellar margin 

 short, dilated, reflexed, white, half covering the perforation. 

 Alt. 19-23, diam. 22-25 mill. (Ms.) 



Kuldsha, Pilutschi and Kosch; Valley of the Hi River and its 

 affluent the Kungess, in Tianshan, Central Asia. 



Helix duplocincta MTS., Sitzuugsberichte d. Gesellsch. Naturf. 

 Freunde in Berlin, Oct. 1879, p. 125 ; Mem. 1'Acad. Imp. Sci. de St. 

 Petersb., (7), xxx, no. 11, p. 4, t. 1, f. 1-7 (shells); t. 5, f. 1-7 

 (genitalia, jaw and teeth). 



H. PARICINCTA Martens. PL 49, figs. 43-50. 



Shell subdepressed-globose, perforate, and striatulate, having 

 very fine close spiral lines, visible only under the lens, and occa- 

 sionally also malleated in places. Pale yellowish, with 2-4 brown 

 bands, rarely wanting. Whorls 6, slightly convex ; spire conoid, 

 apex obtuse, yellowish ; the last whorl rounded, deflexed in front. 

 Aperture rather oblique, lunate-orbicular, peristome obtuse, slightly 

 expanded, half covering the perforation. 



Alt. 16i-m, diam. 2(H-22| mill. (Mis.) 



Valley of the River Hi and its affluents ; River Kungess, at about 

 1300 meters alt. 



Helix paricincta Mts. Sitzungsberichte, etc., p. 125 ; Mem de 

 1'Acad. St.-Pet. p. 5, t. 1, f. 8-13 (shells) ; t. 5, f. 8, 9 (jaw and 

 teeth). 



Var. bisbicincta Mts. Whitish, bands 4 (or 3), two above, two 

 below, the intermediate sometimes confluent ; formula (1, 2) 3, 4, 

 5, (figs. 43, 47-49). 



Var. ambieincta Mts. Yellowish, bands 2, one sutural, another 

 basal; formula (1,2,) 5. Last whorl much malleated (fig. 44). 



Var. incincta Mts. Whitish, without bands ; last whorl strongly 

 malleated (fig. 45). 



Var. bilaticineta Mts. Smaller, elevated, whitish, with 2 (or 1) 

 wide bands, one above, one below ; formula (1, 2, 3) (4, 5) ; some- 

 times joined, formula (1, 2, 3, 4, 5) ; aperture shorter (figs. 46, 50). 



Alt. 15, diam. 17 mill. 



H. FRANCISCANORUM Gredler. PI. 54, figs. 97, 98, 99. 



Shell depressed, spire convex, apex obtuse ; umbilicus moderately 

 open. Distantly and unequally striated, very densely granulose, 

 shining, thin, pellucid, chestnut-brown. Whorls 5f-6, a little con- 



