NEWTON : CONCHOLOGICAL FftATURES OF I.fcNIlAM SA^IDSi'ONES. tO^ 



Collections — 



M.P.G., No. 420. 

 B.M. (Graham Wallas). 



Fam. SOLENID^. 

 Ensis ensis Linnaeus. 



Solen efisis Linnaeus: Syst. Nat., 1758, ed. x., p. 672. 

 Ensis ensis Sacco : Moll. Terz. Piemonte, 1901, part 79, pi. 4, 

 figs. 2 1, 22, p. 18. 



Distribution — 



Recent British and Mediterranean Seas ; Atlantic 



Post-Pliocene ... ... ... ... Ireland 



Red Crag ... ... ... ... ... Britain 



Scaldisian ... ... ... ... ... Belgium 



I ... ... Italy 



Astian 



Plaisancian 



Coralline Crag ^ 



St. Erth Beds - Britain 



Lenham Beds j 

 Diestian 'j^ 



Anversian j 



Belgium 



Redonian ... ... ... France (N.W.) 



Vindobonian ... ... ... ... Vienna Basin. 



Collections — 



M.P.G., No. 433. 



B. M. (Graham Wallas). 



Fam. SAXICAVID.^:. 



Cyrtodaria angusta Nyst and Westendorp [Plate i, fig. 10]. 

 Glycimeris angusta Nyst and Westendorp : Bull. Acad. R. Sci., 



Bruxelles, 1839, vol. 6, part 2, pi. i, fig. i, p. 396. 

 Cyrtodaria angusta 1^ \schtx '. Man. Conchyliologie, 1887, p. 11 28. 

 Distribution — 



Red Crag (derivative?) ... ... ... Britain 



Scaldisian ... ... ... ... ... Belgium 



Coralline Crag \ 



Lenham Beds V Britain 



Box Stones J 



Diestian 1 



Anversian ( •" Belgium 



Bolderian J 



Messinian ... Germany (N.). 



