PART II. 

 STRAT1GRAPHICAL GEOLOGY AND PALEONTOLOGY, 



BY 



ROBERT ETHERIDGE, F.R.S., 



ASSISTANT-KEEPER, GEOLOGICAL DEPARTMENT, BRITISH MUSEUM J 



LATE PALAEONTOLOGIST TO THE GEOLOGICAL 



SURVEY OF GREAT BRITAIN. 



Tfflitb verg IRumerous 'Cables anb plates* 



