51 



Brocchi. — Tellina fusca, Poll. — '' Venus 

 petagnae, Cost.'''' Phill. 

 Deep water on the north and east coasts ; rare. 

 2. scotica. 



Astarte scotica, Flem. — Venus scotica,il/'a^ 

 and Rac. Lam. — Crassina scotica, Turt. 

 Deep water on the north coast ; rare. 

 The Crassina depressa and elliptica of Brown's 

 Illustrations appear to me to be forms of this species. 



LXXVI. Artemis, Poli. 



1. exoleta. 



Venus exoleta, Lin. — Cytherea exoleta. Lam. 

 — Capsa exoleta, Risso. — Exoleta orbicu- 

 lata and radula. Brown. 

 The animal is described by Poli. 

 Rare on the Manx coasts. The Cytherea exoleta 

 and sinuata of Turton*'s British Bivalves, are both 

 referable to this species, the former being the young 

 shell. 



2. lincta. 



Venus lincta, Pult. — Venus exoleta, var. 

 Penn. Mat. Mont. — Venus excisa, Dillw. 

 — Cytherea lincta and lunaris, Lam. — 

 " Asa lineata, Def ranee.'''' Bast. — Exoleta 

 lincta. Brown. 

 Common in deep water on the east coast, off Dou- 

 glas Head. 



LXXVIL Venus, Lin. 



