HELIX. 157 



H. AXAX, Benson. PL 33, figs. 16-18. 



Widely umbilicated, somewhat solid, obliquely costulate-striate 

 above, striate below, a little shining, dark chestnut color, lighter 

 below; whorls 5, convex, the last dilated, and deflected in front; 

 .aperture suboblique, rounded oblong, with two parietal lamellae, the 

 upper one long, entering, sinuate, the lower one shorter, deeper, 

 obliquely sinuate, with three rather deep, parallel palatal teeth, lip 

 extremities joined by a white callus, inferior margins with a sub- 

 dentate thickening. Diam. 23 mill. 



Mts., Travancove, India. 

 H. ERRONEA, Albers. PL 33, figs. 19-21. 



Widely umbilicated, irregularly revolving, rather solid, costulate 

 striate above and chestnut color, dark olivaceous, shining, shining 

 and scarcely striate below; whorls 5, scarcely convex, the last some- 

 what gibbous opposite the aperture, tumid and slightly descending 

 in front, inflated below; aperture with three parietal lamellae, of 

 which the middle one is elongate, strong, the others deeper and 

 scarcely visible, palate with three deep, flexuous lamellse, the middle 

 one conspicuous, the others visible through the shell, lip white, callus 

 shortly reflected, upper and columellar margin subdentately 

 thickened. Diam. 24 mill. 



Ceylon. 



Is H. jRivolii, Pfr. in part. 



H. ODONTOPHORA, Benson. PL 33, figs. 24-26. 



Widely umbilicated, rather solid, chestnut color, or brownish 

 yellow, obliquely, thinly, costulate-striate above, concave, striate and 

 .shining below ; whorls 4, somewhat convex, the last more convex in 

 front, dilately deflected in front, inflated below ; aperture with two 

 parietal lamellge, the upper one curved, the lower shorter, and deeper 

 seated, palatal teeth four, semilunar or sinuate, visible from the 

 aperture and through the shell, peristome purplish white or chestnut, 

 callous, shortly reflected, upper and lower margins subdentately 



thickened. Diam. 22-26 mill. 



Ceylon; Mts., 4500 ft. alt. 



H. PULVINARIS, Gould. PL 33, figs. 29-31. 



Very widely umbilicated, obliquely striate, yellowish brown; 

 whorls 6, scarcely convex above, the last obtusely biangulate, 

 deflected but not dilated in front; aperture oblique, elliptically 

 lunate, lip expanded, with nine teeth in the throat. 



Diam. 15-18 mill. 



Hong Kong and Canton, China. 



