100 CLASSIFIED KEY TO THE INDEX. 
Glacial geology — Continued. Page. 
Ohio Valley 120 
Pacific coast region 120 
Rocky Mountain region 120 
General 120 
Greenland 1 20 
Hawaiian Islands 1 20 
Idaho 120 
Indiana 120 
Indian Territory 120 
Iowa 120 
Jura 121 
New England 121 
Rocky Mountain region 121 
Kansas 121 
Kentucky 121 
Maine 121 
Maryland 121 
Massachusetts 121 
Mexico 121 
Michigan 121 
Mineralogy 122 
Minerals described 122 
Minnesota . 123 
Mississippi 123 
Missouri 123 
Montana 123 
Nebraska 123 
Nevada 123 
Newfoundland 124 
New Hampshire 124 
New Jersey 124 
New Mexico 124 
New York 124 
Nicaragua 1 24 
North Carolina 124 
North Dakota 124 
Ohio 1 24 
Oklahoma 124 
Oregon 1 25 
Paleontology 125 
Algonkian 125 
Cambrian 125 
Carboniferous 125 
Cretaceous 125 
Devonian 125 
Jurassic 125 
Pleistocene 125 
Silurian 126 
Tertiary 126 
Triassic 126 
General 126 
Genera and species described 127 
Panama 139 
