HELIX-CATHAICA. 207 



H. MAGNACIANA Heude. Vol. VI, pi. 25, figs. 98, 99. 



Shell umbilicated, sublenticular, thin, solid, shining, marked with 

 conspicuous spiral lines ; horny-pilose. Spire subelevated, conic ; 

 whorls 5, scarcely convex, regularly increasing, the suture super- 

 ficial ; last whorl carinated, not descending, convex beneath. 

 Aperture oblique, lunar, angulated ; peristome somewhat thickened, 

 slightly expanded and reflexed ; right margin short, straight ; 

 basal margin lengthened arcuate, a little dilated at the umbilicus, 

 partly covering it. Umbilicus narrow but perforating. 



Alt. 13, greater diam. 20, lesser 17 mill. (JT.) 



Tshin-hsien Mts. in Eastern Sytshuan, China. 



H. magnaciana HDE., Fl. Bleu, p. 40, t. 20, f. 13. H. (Cathaica) 

 magnaciana MLLDFF., Jahrb. 1884, p. 342. 



This species may be an Euhadra. 

 H. SEMPRINIANA Heude. PL 48, figs. 11, 12, 13. 



Shell umbilicated, subplano-convex, tawny, plicate-striate ; spire 

 scarcely convex; whorls 4, flattened, joined by a rather wide 

 suture ; the last whorl rapidly widening, strongly carinated, slightly 

 descending in front, slightly convex above, obliquely inflated below. 

 Aperture ax-shaped, wide, the peristome subsimple, slightly 

 expanded and reflexed at the root of the columella, the outer margin 

 straight, columella arcuate. Umbilicus very narrow, obliquely 

 perforated. 



Alt. of last whorl 6, diam. maj. 13, min. 11 mill. (IT.) 



Southern Hunan. 



H. sempriniana H., Moll. Fl. Bleu, p. 43, t. 20, f. 16. 



H. INOPINATA Deshayes. PL 47, figs. 76, 77, 78. 



Shell orbiculate-depressed, subdiscoidal, thin, pale reddish, shin- 

 ing, substriate. Spire very short, obtuse ; whorls 7, rather narrow, 

 the first flat, the rest somewhat convex, separated by a simple, 

 depressed suture ; the last whorl large, angled at the periphery 

 which is above the middle, the angle marked by a white zonule ; 

 convex beneath, deeply umbilicated. Aperture oblique, not 

 deflexed, ovate-semilunar, peristome white, scarcely reflexed above, 

 the base dilated around the umbilicus. 



Alt. 14, greater diam. 25, lesser 20 mill. (Z)esA.) 



Muping, Prov. Sytshuan, China. 



H. inopinata DH., Nouv. Arch, du Mus. vi, p. 21 ; ix, t. 2, f. 3-5, 

 PFR., Mon. vii, p. 192, 548. MTS. Centralas. Moll. p. 19, 



