CONTENTS. Xl 



CHAPTER XVI. 



MAY NOT ALL THE PHENOMENA OF THE PRIMARY ROCKS, 

 BOTH STRATIFIED AND UNSTRATIFIED, BE SATISFACTORILY 

 EXPLAINED ON THE SUPPOSITION THAT THESE ROCKS ARE 

 OF CONTEMPORANEOUS ORIGIN? 



Recapitulation of the principal facts and of the conclusions deduced 

 therefrom. The primary slates not sedimentary deposits are in their 

 original positions their contortions, fragment-like structure, and veins, 

 no indications of violence not derived from the metamorphoses of 

 fossiliferous strata. The prevailing theory not founded on a correct 

 deduction from facts. Another explanation of the phenomena of the 

 primary rocks offered. Its consistency with the general opinions 

 concerning the nature of the secondary and tertiary formations. 

 Conclusion - - Pae 370 



