8 NEW SPECIES OF MARINE SHELLS FROM CEYLON. 



of microscopic spiral striae ; suture scarcely impressed ; aperture auriform ; 



columella fold fairly well developed. 



Alt. 8 millim. ; diam. maj. 2.25. Aperture, alt. 1.5 tnillim. ; diam. .75. 



Hah. — Ceylon. 



Gena ziezae, n. sp. 



PI. ii, figs. 34a— 34d. 



Shell haliotoid, oval, polished, yellowishpink, painted with zigzag flame 



markings and blotches of rtddish-brown, and bearing a regular line of oblong 



dark-brown blotches at the periphery ; whorls 3 — 4, sculptured with fine 



radiating lines of growth and spiral striae which become coarser at the base ; 



interior of shell iridescent, the spiral striae showing very plainly ; suture 



shallow ; peristome simple ; columella arcuate ; aperture oblong ovate. 



Alt. 9 millim. ; diam. maj 5. Aperture, alt. 5.5 millim. ; diam. 4. 



Hah. — Ceylon. 



Callista (Calloeardia) biptsi, n. sp. 



PI. ii, fig. 35. 

 Shell rather thin, ovate, white, concentrically sculptured with fine regular 

 striae ; e.xtremities of um bones tinged with very pale pink ; anterior side pro- 

 duced ; posterior side somewhat obtuse. 

 Alt. 28 millim. ; length 34.5. 

 Hah — Ceylon. 



Cultellus (Ensieulus) maeulatus, n. sp. 

 PI. ii, fig. 36. 



Shell thin, elongated, strongly curved, pale flesh-colour, irregularly blotched 

 and spotted with white, and covered with a thin, brown, periostracum ; 

 anterior margin rounded and bent outwards ; posterior margin somewhat 

 obtuse. 



Alt. I I millim. ; length 48. 



Hah. — Ceylon. 



Gastrana (Metis) bpidgmani, n. sp. 



PI. ii, fig. 37. 



Shell white, oblong ovate, sculptured with fint. Concentric, rather irregular 



striae ; left valve much depressed towards the centre, anteriorly fltxuous ; 



right valve less depressed ; anterior side descending abruptly at an obtuse 



angle ; posterior side rather attenuated, rounded, umbones small. 



Alt. 25 millim. ; length 29.5. 



HaJi. — Ceylon. 



Anatina smithi, u. sp 



PI ii, fig. 38. 



Shell elongate, thin, yellowish-white, concentricall)' striated with somewhat 



irregular lines of growth : anterior side slightly attenuated, rounded, ga[)ing ; 



posterior side rounded, moderately gaping. 



Alt. 20 millim. ; length 38. 



Hah. — Ceylon. 



