MOLLDSCA OF INDIA. 



is more open than in the Darjiling form. The form of the Jaintia 

 Hill shell is again so very distinct from that of the type species 

 that I think it will be better to distinguish it as A. granum, var. 

 major.'" 



Alycjjus busbyi, Godwin-Austen, (Plate LXIIL figs. 1, 

 1 a, 1 b.) 



Alyccmis bush/i, G.-A. P. Z. S. 1893, p, 595. 



Localitij. Nicobars {G. Busby, in coll. Dr. Hungerford). 



Original description : — " Shell turbinate, of tumid form, widely 

 umbilicated ; sculpture smooth, tine ribbing near the sutural tube 

 and still finer below ; colour pale ochraceous ; spire moderately 

 high, apex blunt; suture deep, the sutural tube short and thick; 

 whorls 4^, very rounded, the last much swollen and compressed 

 within the umbilical cavity, constriction simple, slight ; aperture 

 oblique circular ; peristome double, the outer lip flat and expanding 

 at right angles to the whorl. 



" Size : maj. diam. 7*5 ; alt. axis 3-0 mm. 



" This is the largest species as yet known from the Nicobar 

 Islands. 1 name it after its discoverer, who gave the specimen to 

 Dr. Hungerford ; its exact locality has not been recorded." 



Subfamily DiPLOMMATiNijir^, 



Genus Diplommatina (continued from Part V. pp, 166-185). 



Species from the Garo, Naga, and Munipur Hills Ranges, 

 N.E. Frontier of India. 



Constriction in front, above the jjeristome ; sculptared throughout. 



DiPLOMMATiNA DBCOEOSA, Godwin-Austen. (Plate LXIV. fig. 1.) 

 Diplommatina clecorosa, G.-A. P. Z. S. 1892, p. 510, 

 Locality. Anghami Naga Hills (W. Doheriy, in coll. T. H. 

 Aldrich). 



Original description : — " Shell elongately fusiform, not rimate ; 

 sculpture, fine, close, regular costulation on all the whorls ; colour 

 pale whitish horny ; spire, sides somewhat flat, apex rather 

 acuminate, rapidly diminishing ; suture moderately impressed ; 

 whorls 8, sides flatly convex, penultimate and antepenultimate 

 equal ; constriction above the aperture, towards the outer margin ; 

 aperture ovate, rounded below ; peristome thickened ; columellar 

 tooth small, in front. 



" Size : maj. diam. 2*5 ; alt. axis 5-5 mm. 



" There was one solitary specimen in my collection of this species 

 from north of the Burrail, and six specimens, but smaller in size 

 (4-5 mm. in height of spire), from the peak of Shiroifurar, in the 



