NfiWTON : CONCttOLOGilCAL FEATURES Of LENtlAM SANDSTONES. lot 



Belgium 



Scaldisian 

 Diestian 

 Anversian 

 Bolderian 



Redonian France (N.W.) 



Vindobonian Holland. 



Collection — 



M.P.G., No. 416. 

 AsTARTE MUTABiLis S. V. Wood [Plate 2, figs. 6, 7]. 



Astarte vtutabilis S. V. Wood : Mon. Pal. Soc, 1853, pi. 16, figs. 

 I a, lb, p. 179 (=^. planata Nyst non J. Sowerby). 

 Distribution — 



Red Crag 1 -r. • • 



^ „. r- \ Britain 



Coralline Crag I 



Scaldisian "J t. 1 • 



\ '" ••• ... ••■ Belgium. 

 Anversian J 



Collection — 



M.P.G. (not numbered). 



Fam. CYPRINID.^. 



Cyprina rustica (?) J. Sowerby [Plate 2, fig. 13]. 



Venus rustica J. Sowerby, Mineral Conchology, 181 8, vol. 2, 

 pi. 196, p. 217 [=C. tiunida Nyst]. 

 The specimen herewith determined consists of a fragmentary sand- 

 stone cast, which, when compared with C. islandica, exhibits a 

 relatively greater depth of valve, a cordate-globose contour as opposed 

 to a suborbicular form, together with a more prominent lunuloid 

 cavity {^C. islandica Reid). 

 Distribution — 



Red Crag (derivative) Britain 



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



Coralline Crag \ 



Lenham Beds \ Britain 



Box Stones j 



Diestian ■» t» 1 • 



\ ... ... ... ... Belgium 



Anversian J 



Messinian Germany (N.) 



Vindobonian ... ... ... ... ... Denmark. 



Collection — 



M.P.G., No. 421. 

 IsocARDiA HUMANA Linnseus [Plate 4, fig. 12]. 



Cardium humanum Linnaeus : Syst. Nat., 1758, ed. x., p. 682. 

 Chama cor Linnaeus, Syst. Nat., 1767, ed. xii., vol. i, part 2, 

 p. 1 137 (=/. cor Reid). 



