678 EVIDENCE OF CHANGE OF LEVEL 
have long ago ceased. We only point out that the fact belongs to 
some period in geological history. 
These observations bear us on to the grand conclusion, that the 
changes on our globe have not been produced by any fitful earthquakes 
or local changes of limited cause, but rather that they belong to a 
single system,—the same system which, under a Divine hand, origi- 
nated the great lineaments of the earth, giving shape to its conti- 
nents, and courses to its mountain chains. 
