MACEOCILLAMYS. 100 



elevated, blunl ; suture shallow ; whorls 4} ; aperture suboblique. 

 nearly drcular ; peristome very thin; coluuiellar margin sub 

 vertical. 



Size: maj. diam. 10'4, alt. axis 5-0 mm. 



Localitij. Heiigdan Peak, North Cachar Hills {Godivin-Austen). 



Animal not seen.] 



[102. Macroclilamys razamiensis, Godtcin-AKsten, Mol. Ind. ii, 

 18U9, p. 107, pi. 108, tigs. 2-2 i. 



Shell globose ; umbilicus concealed, very thin and transparent, 

 glassy ; sculpture none ; colour pale sap-green ; spire subconoid ; 

 suture shallo\N- ; \\horls 5, very convex and rounded on the 

 periphery ; aperture ovate, nearly vertical ; peristome very thin ; 

 columellar margin oblique. 



Size: maj. diam. 10-25, alt. axis 4-75 mm. 



Locality. Kopamedza Peak, Naga Hills {Godwin- Austen). 



Animal. Shell-lobes present, but not well preserved in the soaked 

 specimen. Foot moderately large, gland seen : olivaceous hi 

 colour ; sole divided. 



Animal dark-coloured, the shell-lobes still darker. 



Jaw with a central projection. 



Radula has a fornnila : 



yiJ . 2 . 10 . 1 . 10 . 2 . 89 

 51 . 1 . 51 



Centre tooth bicuspid ; admedian teeth bicuspid ; lateral- 

 bicuspid, becoming rapidly minute on the margin.] 



[168. Macrochlamys lahupaensis, Godwin-Ausfen, Mol. Ind. ii, 

 1907, p. 159. 



Shell subdepressedly conoid, rounded below, thin, perforation 

 fine, nearlv concealed ; sculpture none under high power, crossed 

 by many fine wavy lines of growth under eye ; colour pale ashy 

 ochre; spire subconic, sides tiat, apex fine; suture impressed; 

 whorls oh, closely wound, particularly near the apex : aperture 

 widely horizontally lunate, subvertical : peristome both slightly 

 thickened and sinuate ; columellar margin oblique and very shghtly 

 retlected near the umbilicus. 



Size: maj. diam. 13-0, min. ll'O ; alt. axis 6 mm. 



Locality. Pliunggam,Lahupa-Naga Hills, N.E.Munipur (G-Ww-r/i- 

 Aii'Sten).'\ 



[1G4. Macrochlamys hookeri, Godwin-Austen, Md. Ind. ii, 1907. 

 p. 163, pi. 109, tig-s 10~10«. 



Shell scarcely perforate, tumidly globose, thin, diaphanous, 

 smooth, strong epidermis; colour dull ochraceous ; spire depressedly 

 conoid; whorls 4, slightly convex above, rather rapidly increasing ; 

 aperture suboblique, ovoid; peristome nearly circular on the 

 peripherv ; columellar margin straight, perpendicular, weak. 



