22 THE HISTORY OF CREATION. 
IV. Tertiary Group of 
Strata, 3000 feet. 
—— ______l 
Eocene, Miocene, Pliocene. 
IX. Chalk System. 
TII. Mesolithic Group of Strata. 
Deposits of the 
Vill. Jura System. 
Secondary Epoch, about 
75.000 fk | A ae nn aos 
Vil. Trias System. 
IL Paleolithic Group of Strata. VI. Permian System. 
a oe V. Coal System. 
Primary Epoch, about 
42,000 feet. IV. Devonian System. 
ce I 
III. Silurian System, about 
22,000 feet. 
I. Archilithic Group of Strata. 
II. Cambrian System, about 
18,000 feet. 
Deposits of the 
Primordial Epoch, about 
70,000 feet. 
I. Laurentian System, about 
30,000 feet. 
