120 HELIX-EUHADRA. 



the columella vertical, its margin reflexed, and wholly or half cover- 

 ing the umbilicus. (Heude.) 



Alt. 19-11, greater diam. 27-19, lesser 22-17 mill. 



Southwestern part of the province Gui-dshou, China. 



H. hcematozona HEUDE, Moll. Terr, de la Valle du Fleuve Bleu, 

 p. 40, t. 20, f. 14. 



This species has two forms, one perforated, the other im perforate ; 

 they are considered to be specifically identical by Heude, who 

 examined a great number of specimens. 



H. BATHYMOPHORA Mabille. PL 15, figs. 72, 73. 



Shell partly covered umbilicate, depressed conical, solid, a little 

 thick, white under a deciduous epidermis, shining, radiately deli- 

 cately striate and crispate-malleate ; spire convex, prominent ; apex 

 large, a little obtuse, shining ; whorls 5J, regularly and rapidly in- 

 creasing, convex, the suture narrow, little impressed, margined by a 

 purple line ; last whorl large, rounded above, sloping, angulated at 

 the periphery and narrowly zoned with red, scarcely descending at 

 the aperture, not dilated, convex beneath ; aperture irregularly ovate, 

 lunate ; peristome a little thickened, patulescent, scarcely reflexed ; 

 columellar margin short, oblique, a little thickened, dilated in a 

 slightly thickened callus half covering the umbilicus ; basal margin 

 sinuous, tuberculose ; outer margin incurved, obscurely angulated in 

 the middle. (3fa6.) Alt. 19, greater diam. 33, lesser 29 mill. 



Tonquin. 



H. bathymophora MABILLE, Bull. Soc. Mai. Fr. 1887, p. 83, t. 2, 

 f. 6, 7. 



Allied to H. friesiana Mlldff., but with nearly covered umbilicus, 

 whorls more inflated, etc. 



H. JACULATA Mabille. PL 42, figs. 20, 21. 



Shell nearly covered perforate, conic-globose, rufescent under a 

 hydrophanous deciduous epidermis, a little thick, solid, striatulate, 

 longitudinally impressed and crispatemalleate, under a lens, shin- 

 ing; spire strong, conic-globose, the apex obtuse, corneous, shining; 

 whorls 5-5?, the first costulated, the rest convex, regularly and 

 sensibly increasing, separated by a quite distinct suture narrowly 

 marked with white ; last whorl large, not descending in front, seen 

 from above equalling nearly the moiety of the width of the penulti- 

 mate, swollen, obscurely angulated toward the base; aperture 



