Class VI. HELIX. SNAIL. 335 



cated; length a quarter of an inch; inhabits 

 the sea. 



Lin. Tr. viii. 20g. Mont. Test. Br. 3Q9. t.\5. 45. decus- 



SATA. 



f-1- 



* He. with a slender tapering shell, decus- 

 sated ; aperture angular at each end ; eight or 

 nine volutions ; length three tenths of an inch, 

 breadth one tenth of an inch ; inhabits the sea. 



Lin. Tr. viii. 210. Mont. Test. Br. Sup. 142. 46. sdeu- 



LATA. 



* He. with a slender tapering, very smooth 

 shell, striped ; aperture ovate ; length three 

 fourths of an inch. Western coast. 



Turbo politus. Gm. Lin. 3612. Mont. Test. Br. 3Q&. 4 _ polity 



H. polka. Lin. Tr. viii. 210. T. laevis. Br. Zool. iv. 130. 



* He. with a pyramidal glossy shell; with eight 

 spires striated transversely; length about the 

 third of an inch. 



Found on the shores of A?iglesey [and on 

 the western coast.] Tab. lxxxii. Jig. 1 . 



