CIRCE. ASTARTE. ill 



CIRCE, Schumacher. 



C. MINIMA, Montagu. 



C. minima, Brit. Moll. i. p. 446, pi. 26. f. 4, 5, 6, 8 ; and (animal) 

 pi. M. f. 3. 



The animal has not occurred to iis alive. 



ASTARTE, Sowerby. 

 A. SULCATA, Da Costa. 



A. sulcata, Brit. Moll. i. p. 452, pi. 30. f. 6; and (animal) pi. M. f. 5. 



and iv. p. 254, pi. 30. f. 5, 6, and pi. 133. f. 4. 

 A. elliptica, Brit. Moll. i. p. 459, pi. 30. f. 8. 

 Venus scotica and Damnonia, Mout. et Auct. 



The animal has not been found on the Devon coast. 



A. ARCTICA, Gray. 



A. arctica, Brit. Moll. i. p. 461, pi. 30. f. 7- 

 Animal unknown. ? British. 



A. CREBRICOSTATA, Forbes. 

 A. crebricostata, Brit. Moll. i. p. 456, pi. 30. f. 9. 

 Animal unknown. ? British. 



A. COMPRESSA, Montagu. 



A. compressa, Brit. Moll. i. p. 464, pi. 30. f. 1, 2, 3. 

 Venus compressa, Mont, et Auct. 



This very common Scotch species has not occurred alive. 

 Of the above, the A. arctica and A. crebricostata are very 

 doubtful indigena. 



A. TRIANGULARIS, Montagu. 



A. triangularis, Brit. Moll. i. p. 467, pi. 30. f. 4. 

 A. minutissima, Auctorum. 



Animal occupying a subtriangular yellow or brown strong- 

 smooth shell, crenated at its edges when adult, plain when 



