10 LAND AND FRESHWATER 
Shell pyramidal, of thin texture, subperforate ; sculpture, regular 
distinct oblique costulation, radiating from umbilicus below ; colour 
pale horny brown; spire high, conic, apex blunt, sides flat ; suture 
shallow ; whorls 6, sides somewhat convex, the last whorl keeled 
and with a distinct carination ; aperture semilunate ; peristome thin, 
slightly reflected near axis, and suboblique. 
Size: major diam. 0°14 inch, alt. axis 0-10 inch. 
3°6 mm., a 2-6 mm. 
Two specimens, Hengdan Peak, with sculpture finer. 
KAtreLia ? TERIAENSIS, n, sp. (Plate II. fig. 12.) 
Locality. Teria Ghat, southern base of Khasi Hills, about 300 feet. 
Shell depressly pyramidal, rounded on base, narrowly umbilicated ; 
sculpture, on the upper whorls oblique transverse fine ribbing visible ; 
colour bleached ; spire conic, sides flat; suture shallow, a thin fine 
raised beading following it; whorls 5, flattened, the last sharply 
keeled; aperture oblate; peristome thin, the columella thickened 
and perpendicular, slightly reflected. 
Size: major diam. 0-14 inch, alt. axis 0-08 inch. 
‘ 36 mm., sore mnene Oem 
EXPLANATION OF PLATE II. 
(All figs. enlarged seven times. ) 
Fig. 1. Kaliella barrakporensis, Pfr.,=sivalensis, Hutton, var. Mussoorie, 
N.W. Himalaya. 
- cherraensis, G.-A. Teria Ghat, Khasi Hills. 
munipurensis, G.-A. Munipur. 
jaintiaca, G.-A. Marangsip Peak, Jaintia Hills. 
costulata, G.-A. 'Tanir Ridge, Dafla Hills, north of Assam 
valley. 
ee hid G.-A. North Khasi Hills. 
perakensis, G.-A. Perak, Malay Peninsula. 
fastigiata, Hutton. Mussoorie, N.W. Himalaya. 
elongata, G.-A. Raliang, Jaintia Hills. 
gratiosa, G.-A. Kopamedza Peak, Anghami Naga Hills. 
nagaensis, G.-A. Kopamedza Peak, Anghami Naga Hills. 
12, -—— teriaensis, G.-A. Teria Ghat, base of Khasi Hills, 
SO GOI Soe UE IRS) 
10. 
