76 THE INVERTEBRATE FAUNA 



Cardium norvegicum (Spengler). 



Firth of Forth (MR) ; off Inchkeith (Com. 

 Mar. ZooL). 



We have dredged this species off the Isle 

 of May, in 8 fathoms, and near Portobello. 



CYPRINID^E. 



Cyprina, islandica (Linn.) . 



Firth of Forth (M'R, and Ed. Mus.) ; Firth 

 of Forth, very low tides (F. and ff.\ 

 I have taken it alive, and apparently in 

 situ, in muddy sand, between Granton and 

 Newhaven at very low water (M.). 

 We have dredged this species east of 

 Inchkeith, 18 fathoms ; north-west of the 

 Isle of May, 26 fathoms; and have found it 

 frequently on the beach at Portobello, etc. 

 Astarte sulcata (Da Costa). 



Firth of Forth (MB.). 

 We have dredged this species in the Firth. 

 A. sulcata, var. dliptica. 



Firth of Forth, dead valves (M'B). 

 A. compressa (Mont.). 



Firth of Forth, not rare on the oyster 

 banks in 7 to 14 fathoms (F. und H.) ; 

 Firth of Forth (M'B.). 

 A. compressa, var. striata. 



Firth of Forth, plentiful (/. G-. /".). 

 A living specimen cast up on the beach 

 in Canty Bay. Single valves are com- 

 mon on the shore between Canty Bay 

 and North Berwick (M.). 

 We have dredged this species near Inch- 

 keith, in 7 fathoms. 

 A. triangularis (Mont.). 



Single valves, and sometimes a perfect 

 specimen, in drifted shell sand at North 

 Berwick (M.). 



