OF CONCKOLOGY. 71 



described ; many of them from the 

 chalk cliffs in Hampshire. 



In Turton's Linne seventy-one spe- 

 cies of cones are described ; none of 

 this ore nus have been found to inhabit 

 the British seas. 



Genus 21st.— CYPR^A (or Cow- 

 ry.) Animal a Slug; shell univalve, 

 involute, sub-ovate, smooth, obtuse at 

 each end; aperture effuse at each end, 

 linear, extending the whole length of 

 the shell, and dentated or toothed on 

 each side. Linn. Syst. 320. Plate 

 8th, %. 21. 



Linne divides the genus Cyprsea 

 into four families : *mucronata3, or 

 pointed ; **obtuse, and without any 

 manifest spire; ***umbilicated, or with 

 a small perforation ; ****marginated. 



The genus Cyprsca consists of beau- 

 tifully coloured, and very highly polish- 

 ed shells. It is said, that all the Cy- 

 praea leave their shells annually, and 

 construct new and larger ones. But 



