1849.] SHARPE ON THE SECONDARY ROCKS OF PORTUGAL. 145 



t4 B 



OJD 



Ferruginous 

 sandstone. 



Sands, with some 

 limestone beds. 



Limestone, with 

 Exogyra plicata . 



Limestone. 





6C 



Ferruginous sands. 



Coralline lime- 

 stones, with 

 sandstone. 



Sandstone. 

 Limestone. 

 Fault, 

 Limestone. 



Sands. 



Coralline lime- 

 stones. 



Sands. 



Hippurite limestone. 



Basalt. 



Tertiary conglomerate. 



Tertiary "Almada' 

 limestones, &c. 



