PKESTON : ON NEW SPECIES OF MELANIA. 



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disappear below the peripheiy altogether, the shell in this region 

 being only sculptured by eight spiral grooves ; suture impressed ; 

 peristome simple and only slightly produced, a callus joining the 

 margins; aperture ovate. Long. 275, diam. maj. 10 mm.; aperture, 

 long. 9"5, diam. 4 mm. 

 Mab. — New Ireland. 



Melania Melvilli, n.sp. 



Shell fusiform, rather solid, dark brown ; remaining whorls 4-5, 

 sculptured on the first four with closely set transverse ribs, crossed by 

 3 spiral grooves, presenting a beaded appearance, the lower portion of 

 the body- whorl bearing four or five spiral ridges much interrupted by 

 lines of growth ; sutures impressed ; aperture oblong-ovate ; peristome 



simple ; columella lip slightly expanded below, callously effused above. 

 Long, (type - specimen) 18, diam. maj. 9 mm.; aperture, long. 9, 

 diam. 3 '5 mm. 



JIah. — Kelantan, Malay Peninsula. 



Somewhat closely allied to II. rudt's, Lea, a common Eastern form. 

 The general sculpture is, however, coarser than in M. rudis, and it 

 lacks the narrow channelled spii'al groove just below the sutures so 

 noticeable in that species. 



Melania Kelantanensis, n.sp. 

 Shell acuminately turreted, dark blackish brown ; remaining whorls 

 4, angular, bearing a single row of coarse nodulous tubercles on the 



angle ; upper whorls sculptured above the angle with two spiral lirse 

 and numerous very fine wavy striae, and below the angle with one 

 spiral liration, the body-whorl bearing seven lira3 below the angle ; 



