weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. Ill 
Petrology — Continued. Page. 
Indian Territory 157 
Maine 157 
Massachusetts 157 
Mexico 157 
Michigan 157 
Minnesota 157 
Montana 157 
New Jersey 157 
New Mexico 157 
New York 157 
North Carolina 157 
Oregon 157 
Pennsylvania 157 
Utah 157 
Virginia 157 
Washington 157 
Wisconsin 157 
Rocks described 157 
Pennsylvania 159 
Physiographic geology 159 
Pleistocene 160 
General 160 
Correlation «. 161 
Canada 161 
New England and New York 161 
Atlantic coast region 161 
Great Lakes region 161 
Mississippi Valley 161 
Rocky Mountain region 161 
Southwestern region 161 
Pacific coast region 161 
Rhode Island 161 
Silurian 161 
General 161 
Canada 161 
New England * 161 
New York 161 
Appalachian region 161 
Mississippi Valley 161 
Rocky Mountain region 162 
South Carolina 162 
South Dakota 162 
Tennessee 162 
Tertiary 162 
General 162 
Classification 162 
Correlation 162 
Atlantic coast region 162 
Appalachian region 162 
Mississippi Valley 162 
Great Plains region 162 
Rocky Mountain region 162 
Texas 162 
Pacific coast region 162 
