108 



PKOE. J. PRESTWICH 0^^ THE CORRELATION OP THE 



1 



Co 

 O 



France (Paris Basin). 



S 



1 



3 



© 



1 



© 

 02 



r2 



:3 

 ?3 



© 



1 i 



g 2 

 ^ .2 

 ^ 1 

 1. 1 



* 



I Sands of Cuise-la-Motte. 



TVanting ? 



[ Sables Inf^rieurs of theSoissonnais, including 

 the Marls of Billy, the Argile Plastique 

 1 and ' Lignites,' and the Sands of Bracheux, 

 [^ Chalons-sur-Yesles and Eilly. 



r Sands of St. Oiner, Douai, and the lower 

 [ sands of La Fere. 



Wanting. 



pq 



J 

 '© 



g 



<3 



Laekenian 



and 

 Bruxellian. 



Paniselian. 

 Upper Ypresian, 

 Lower Ypresian. 



Upper Landenian. 



Lower Landenian and Heersian. 

 Calcaire de Mons. 



< 



o 



1 



1 



53 



b. Bracklesham Beds. 



= Upper and 

 b*. Middle Bngsliots. 



Wanting. 



London Sands= Lower Bagshot. 



London Clay. 



Oldhaven or Basement-beds. 

 Woolwich and Beading Beds. 



Thauet Sands. 

 Wanting. 





^ ^ 



1 

 Lower Eocene... \ 



1 



i 



