weeks.] CLASSIFIED KEY TO THE INDEX. 17 
Glacial geology — Continued. Page. 
Colorado 117 
Greenland 117 
Illinois 117 
Indiana 117 
Minnesota 117 
Missouri 118 
Montana 118 
New England 118 
New Jersey 118 
New York 118 
Ohio 118 
Pennsylvania , 118 
South Dakota 118 
Vermont 118 
West Virginia - 118 
Wisconsin 118 
General papers 118 
Greenland 118 
Guatemala 118 
Idaho 118 
Illinois 118 
Indiana 1 18 
Indian Territory 119 
Iowa 119 
Juratrias 119 
Canada 119 
Atlantic Coastal Plain 119 
Great Plains 119 
Rocky Mountain region 119 
Sierra Nevada and Pacific Coast region 119 
Miscellaneous 119 
Kansas 119 
Kentucky 119 
Maine 120 
Maryland 120 
Massachusetts 120 
Mexico 120 
Michigan 120 
Mineralogy 120 
Condensed titles of papers 120 
Minerals described 121 
Minnesota 121 
Mississippi 121 
Missouri 121 
Montana 122 
Nebraska 122 
Nevada 122 
New Hampshire 122 
New Jersey 122 
New Mexico „ 122 
New York , , 122 
Nicaragua ,,.,.., 123 
North Carolina .,-,.,, 123 
North Dakota.. }23 
Bull, 135 2 
