108 ZOXITIDJE. 



[159. Macrochlamys fragosus, Godwin-Austen, Mol. Ind. ii, 1899, 

 p. 161, pi. 109, fig. 4. 



Shell scarcely perforate, globose, thin, translucent ; sculpture 

 fine microscopical regular longitudinal striae ; colour sap-green ; 

 spire flatly convex ; suture shallow ; whorls 3^, last swollen and 

 rounded at the periphery ; aperture semi-ovate ; columellar margin 

 perpendicular, not reflected, weak. 



Size : maj. diain. 6 ! 7, iniii. 6*0 ; alt. axis 3*5, alt. body-whorl 

 2-8 min. 



Locality. Toruputu Peak, Dafla Hills (Godwin- Austen*). 



The shell figured has been considerably damaged, but fortunately 

 two other specimens should be preserved in the Calcutta Museum. 



Vide jVevill's Hand-list, no. 167, p. 39. 3, from above locality.] 



a". Shells depressedly conoid. 

 b". Sculpture smooth. 



[160. Macrochlamys mahadeoensis, Godwin-Austen, Mol. Ind. ii, 

 1899, p. 157, pi. 108, figs. 3-3 . 



Shell depressedly globose, thin, not umbilicated ; sculpture 

 smooth, crossed by irregular lines of growth ; colour dull olivaceous 

 green ; spire flatly conoid ; suture impressed ; whorls 4, the last 

 expanding and capacious, rounded on the periphery ; aperture 

 flatly ovate, subvertical ; peristoine thin ; columellar margin sub- 

 oblique. 



Size: maj. diam. 11-5, min. 9'5, alt. axis 5'0 mm. 



Locality. Mahadeo Peak, Bui-rail Eange, near Asalu (Godwin- 

 Austen). 



Shell-lobes, from what was left of them, resemble those of typical 

 Macrochlamys, tongue-like. 



Jaw not found. 



Radula formula : 



43 . 2 . 10 . 1 . 10 . 2 . 43 

 55 . 1 . 55 



The centre tooth is tricuspid ; the admedian teeth have a small 

 cusp on the inner side just below the main point, with another 

 basal cusp on the outside ; the lateral teeth are evenly bicuspid, 

 the marginals small. 



In this species the odontophore is of the same type as that of 

 Austenia yiyo.s, with the inner upper cusp on the admedian teeth.] 



[161. Macrochlamys hengdanensis, Godwin-Austen, Mol. Ind. ii, 

 1899, p. 158, pi. 108, tigs. 4-4 b. 



Shell globosely conoid, very thin, transparent, somewhat glassy, 

 umbilicated, extremely minute and hidden; sculpture, surface 

 quite smooth ; colour pale sap-green ; spire subconical, apex 



