MOLLDSCA OF INDIA. 391 



Altc^us distinctus, G.-A., var. (Plate CXLIX. fig. 4.) 



Locality. Naraindhur, Cachar, No. 3038 B.M. Type (F. Ede). 



Shell g'lobosely conoid, umbilicated ; sculpture confined to the 

 swell of the last whorl, where the cestui ation is close and rather 

 fine; colour whitish, sometimes with a pink tinge on the ajiex ; 

 spire high, apex rather tine ; suture well impressed ; whorls 4, 

 well rounded ; aperture ovate, subvertical ; peristome double, 

 vertical, curved on the columellar margin and much thickened at 

 its base, very short angulation on the outer lower margin, curving 

 over above. 



Size : maj. diam. 5-0 ; alt. 2*5 mm. 



ALYCiEus DISTINCTUS, G.-A., var. No. 2576 B.M. Type. 



Localiti/. Jatiiiga Valley, N. Cachar Hills {Godwin- Atisten). 



The specimens collected in this valley, 19 in number, differ 

 from the tyjje from near Asalu. It is quite a passage variation, 

 displayed in the outer margin of the peristome which has not got 

 the distinct notches of the shells that come in on the eastward, also 

 in the general shape of the shell, which is higher in the spire, thus 

 more conical, the sculpture coarser and umbilicus smaller. 



This variety was also obtained in South Sylhet (3042) by 

 Mr. Wm. Chennell. In N. Khasi (No. 3630) and Garo Hills (2559). 

 It thus has an unusually extended range for species of the genus. 



Aylc^its duortjgostjs, n. sp. 



Locality. Burrail Range, Naga. No. 2771 B.M, Coll. Type. 

 ( Oodivin-Austen .) 



Also Angaoluo Trigonometrical Station, No. 2572; South Barak, 

 No. 2629, and Munipur, No. 2654 B.M. 



Shell very globose, umbilicated : sculpture smooth on the upper 

 whoils, with indistinct striation, distant costulation on the last 

 whorl, very fine and regular next the suture ; colour umber- 

 brown ; spire high ; suture impressed, the sutural tube short and 

 thick ; whorls 4, much rounded, the constricted part near sutural 

 tube is fairly long, succeeded by two ridges well defined and both 

 of nearly equal size lying close up to the peristome ; aperture 

 circular, somewhat flat above, well rounded below ; peristome 

 double, somewhat thickened and reflected. Columellar margin 

 curving perpendicularly. 



Size : maj. diam. 3*75 ; alt. axis 2*0 mm. 



This, at first sight, recalls A. birugosus, of the Khasi Hills, but 

 is larger, more globose, the ridges near aperture more developed, 

 the aperture quite circular without the notch on the lower margin. 

 It is near A. khasiacus, but smaller ; the ridges in that species are 

 unequal, the anterior much the smallest. 



Altc^tjs edei, n. sp. (Plate CXLIX. figs. 2, 2 a.) 



Locality. Naraindhur, Cachar, No. 1665 B.M. {F. Ede). 



Shell openly umbilicate, globose, rather flattened ; sculpture 



PAHT XII. 2 1 



