THE 



JOURNAL OF MALACOLOGY. 



Xo. 4. December 2 8th, 1904. Vol. XI. 



DESCRIPTIONS OF SOME NEW SPECIES OF 

 CINGALESE AND INDIAN MARINE SHELLS. 



By H. B. PRESTON, F.Z.S. 



(Plates vi and vii.) 



THl' spccit's ahoiit to lie dcscril)L-(l formL-d [r.irt. of the collcH'tioii of the 

 late iMr. Hugh Nevill, who was for many years resident in Ceylon, and a 

 portion of whose collection came into my hands upon its dispersal during the 

 early part of the present year. Although exact localities were often not given, 

 all the present species, with one exception, are undoubtedly from Ceylon, 



Cythara nevilliana, n. sp. 



PI. vii, figs. I, 2. 



Shell subfusiform, obtuse, solid, uniformly white ; whorls 5 — 6, convex, 

 coarsely ribbed and spirally grooved, giving the shell a cancellated appear- 

 ance : suture impressed ; aperture high and narrow ; columella curved, 

 somewhat rough ; peristome slightly thickened and bent inwards over the 

 aperture, the edge being serrated by the spiral grooves. 



.Vlt. 5 millim. ; diam. maj. 2.5. Aperture, alt. 3 millim. ; diam. .5. 



Hah. — Ceylon. 



Clathurella biiUeni, n. sp. 

 PI. vii, figs. 3, 4. 



Shell ovate, solid, brownish lilac, or ornamented on the last whorl with a 

 bioad peripheral yellowish-white band, and on the earlier whorls with a very 

 narrow, but distinct, band of a similar hue ; whorls 8, convex, transversely 

 ribbed and spirally grooved, giving the shell a coarsely granulated appearance; 

 suture well impressed ; aperture narrow, one third of the height of the whole 

 shell : columella curved ; peristome thickened and bent inwards. 



Alt. 6 millim. ; diam. maj. 3. Aperture, alt. 2 millim. ; diam. .5. 

 Hah. — Ceylon. 



JouRN. OF Malac, 1904, vol. xi, No. 4. 



