^1^ OUTLINES OF GEOLOGIC HISTORY 

 ^M' WITH ESPECIAL REFERENCE 



TO NORTH AMERICA 



A SERIES OF ESSAYS INVOLVING A DISCUSSION OF 

 GEOLOGIC CORRELATION PRESENTED BEFORE SECTION 

 E OF THE AMERICAN ASSOCIATION FOR THE ADVANCE, 

 MENT OF SCIENCE IN BALTIMORE, DECEMBER, 1908 



SYMPOSIUM ORGANIZED BY 



™**"n of MoHuafe, 

 BAILEY WILLIS ^^•^onal librar/ 



COMPILATION EDITED BY 



KOLLIN D. SALISBURY 



THE UNIVERSITY OF CHICAGO PRESS 



CHICAGO, ILLINOIS ^^^\^^^W]^}f 



MAY 27 1988 



/■ 



