igiS.] H. H. Godwin-Austen : Mollusca, VIII. 587 



Jaw (pi. liv, fig. 9) very straight in front, narrow, slightly 

 convex above. 



Macrochlamys albulus, n. sp. 



(Plate liii, figs. 8, 9.) 



Locality. — Abor Hills (S. W. Kemp). 



Shell narrowly umbilicated, depressedly globose, smooth 

 shiny ; sculpture microscopic longitudinal striation, stronger near 

 the suture; colour dull ochre with animal inside, colourless other- 

 wise; spire low; suture shallow; whorls 5, rather rapidly increas- 

 ing; aperture lunate; peristome thin; columellar margin sub- 

 oblique. 



Size: major diameter 5 "5, minor 4*0 mm. 



There were two specimens, the shell of one was broken ex- 

 tracting the animal, the second shell is in spirit, animal not re- 

 moved. 



Animal (pi. liii, fig. 8) in spirit about 10 ram. long, quite 

 white, no markings of any kind, elongate; right shell lobe very 

 long on side of shell the left also long and tapering from a broad 

 base. A long lobe over the mucous gland. The generative organs 

 were hardly developed, there appeared to be an amatorial organ. 



I managed to get the radula in a very complete state. The 

 centre and admedian teeth have blunt rounded points with a small 

 outer basal cusp, the marginals nearly evenly bicuspid. Formula : 

 60.3.9.1.9 3.60 or 72.1.72, it was almost impossible to count the 

 marginals they are so minute. 



Jaw (pi. liii, fig. 9) strongly convex on the cutting edge, very 

 narrow, with a very small central projection. 



Macrochlamys murdochi, n. sp. 



Localitv. — Renging, Abor country. No. 6131 ; No. 6125^, 

 Sadiya (5. W. Kemp). 



Shell perforate, almost discoid, base flat, smooth; sculpture 

 none; colour pale ochraceous; spire flat, the apex just raised above 

 the last whorl ; suture impressed ; whorls 5 , rather closely wound 

 and regularly increasing; aperture lunate horizontally, oblique; 

 peristome thin. 



Size: major diameter 8, minor 7*5, alt, axis 3"o mm. 



A distinct species, unfortunately represented by only two 

 immature shells, easily recognizable again. 



Macrochlamys ? luyorensis, n. sp. 



(Plate li, figs. II, iia.) 



Locality. — I<uyor, Abor country {Capt. G. F. T. Oakes, RE.). 



Shell globosely, depressedly conoid, narrowly perforate, 

 smooth; sculpture no striation of any kind; colour umber brown 

 with ruddy tinge; spire rather high, flat, apex rounded; suture 

 very slightly impressed; whorls 5, close wound, regularly increas- 



