204 VENUS. VENUS-SHELL. Class VL 



9. scotica. Lin. Tr. viii. 81. t. 2. f. 3. Mont. Test. Br. Sup. 44. 



* V. with a somewhat heart-shaped flat shell; fur- 

 rows transverse, parallel, regular, edge smooth 3 

 length five-tenths of an inch, breadth eight- 

 tenths. 



Discovered by Mr. M^Leay on the Caith- 

 ness-shire coast. 



10. subcor- V. cancellata. Gm. Lin. 3270? Mont. Test. Br. 121. t. 3. 

 data. Lin. Tr. viii. 82. /. 1. 



* V. with a somewhat heart-shaped shell, with 

 strong longitudinal ribbed strice, and distant 

 transverse ridges ; edges faintly crenated ; dia- 

 meter a quarter of an inch. 



J Fey mouth. 



11. dysera. Gm. Lin. 3268. Mont. Test. Br. Sup. 42. 



* V. with a subcordate shell ; ridges distant, 

 transverse, reflected; edges crenulated; beak 

 small; diameter not quite three quarters of 

 an inch. 



