80 THE INVERTEBRATE FAUNA 



We have dredged it in Aberlady Bay, 9 

 fathoms, and off Leith. 



Psammobia vespertina (Chemn.). 



Firth of Forth (M'B. t and J. G. J.}. 



Donax vittatus (Da Costa). 



Firth of Forth (M'B.) ; Craigroyston, Aber- 

 lady, and Dirleton shores (M). 

 We have found it at Elie and Largo. 



MACTRID^:. 



Mactra solida (Linn.). 



Beach at Fisherrow (Mete, and Mey.) ; 

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

 We have dredged it off Elie. 



M. solida, var. truncata. 



Firth of Forth (M'B., and J. G. J.) ; 

 Firth of Forth, 7 fathoms (F. and H.). 

 Lives with the species, and with inter- 

 mediate forms, on the shore from New- 

 haven to Cramond Island (M.). 

 We have obtained this variety on Cramond 

 Island. 



M. solida, var. elliptica. 



Firth of Forth (MB., and F. and K). 



M. sultruncata (Da Costa). 



Firth of Forth (F. and H., and MR)] 

 Grant on and Portobello (M.). 

 We have dredged it in the Firth. 



M. subtruncata, var. striata. 



Gran ton, not common (M.). 



M. suUruncata, var. inaequalis. 



Dead shells at South Queensferry (M.). 



M. stultorum (Linn.). 



Firth of Forth (MB., and Ed. Mus.}', 



Portobello (M.). 



This species is sometimes found cast up in 



large quantities on Portobello sands after 



storms. 



