CLASSIFIED KEY TO INDEX. 13 
Devonian — Continued. Page 
Canada 58 
New England 59 
New York 59 
Appalachian region 59 
Great Lakes region 60 
Mississippi Valley region 60 
Rocky Mountain region 61 
Great Basin region 61 
Sierra Nevada and Pacific Coast region 61 
District of Columbia 61 
Dynamic geology 61 
Economic geology 67 
Miscellaneous discussions 67 
Alabama 69 
Alaska 70 
Arizona 70 
Arkansas 70 
California 71 
Canada 72 
Colorado 73 
Connecticut 74 
Cuba 74 
Delaware 74 
Florida 74 
Georgia 74 
Greenland 75 
Idaho 75 
Illinois 75 
Indiana 75 
Indian Territory 75 
Iowa 75 
Kansas 76 
Kentucky 76 
Louisiana 76 
Maine 76 
Maryland 76 
Massachusetts 77 
Mexico 77 
Michigan 77 
Minnesota 77 
Missouri 78 
Montana 78 
Nebraska 78 
Nevada 78 
Newfoundland - - 78 
New Hampshire 78 
New Jersey 78 
New Mexico 79 
New York 79 
Nicaragua 79 
North Carolina 79 
North Dakota 80 
Ohio - 80 
Oklahoma 80 
