90 THE INVERTEBRATE FAUNA 



Granton (M.) ; beach between Portobello 

 and Fisherrow (Metz. and Mey.). 

 Very common in the littoral zone at War- 

 die, Aberdour, Elie, etc. 



Littorina obtusata, var. fabalis. 



Not uncommon at Dunbar, etc. ; a doubt- 

 ful variety (M.). 



L. neritoidcs (Linn.). 



Firth of Forth (MR). 

 North Berwick, on the harbour rocks, 

 above high water mark. Abundant and 

 well grown at the landing-place on the 

 Isle of May (M.). 



L. rudis (Maton). 



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

 Granton (M.) ; beach between Portobello 

 and Fisherrow (Metz. and Mey^) ; very 

 common at Wardie, Elie, Aberdour, etc. 



L. rudis, var. saxatilis. 



North Berwick, living with L. neritoides ; 

 and dead in shell sand (M). 



L. rudis, var. lineata. 



Granton. Is this a variety, or a common 

 form? (M.). 

 Common at Wardie. 



L. rudis, var. tenebrosa. 



Granton and Dunbar (M.). 



L. littorea (Linn.). 



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

 Granton, sometimes orange-red (M.). 

 Very common on the beach at Wardie, etc. 



Rissoa reticulata (Mont.). 



We have found this species on the shore, 

 near Aberdour. 



E. punctura (Mont.). 



Also found near Aberdour. 

 Common in the shell sand at North Ber- 

 wick and Dunbar (M.). 



