102 CLASSIFIED KEY TO THE INDEX. 
Page. 
Philippine Islands 142 
Silurian 142 
Appalachian region 142 
Canada 142 
Great Basin region 142 
Mississippi Valley region 142 
New England and New York « 143 
Ohio Valley region 143 
Southwestern region 143 
General 143 
South Carolina 143 
South Dakota 143 
Tennessee 143 
Tertiary 143 
Atlantic coast region 143 
Canada 143 
Great Plains region 143 
New England 143 
Pacific coast region 143 
Panama 143 
Philippine Islands. 143 
Rocky Mountain region 143 
Southwestern region 143 
West Indies 143 
Texas 143 
Trias 144 
Canada 144 
New England 144 
Pacific coast region 144 
Rocky Mountain region 144 
Southwestern region 144 
Utah ; 144 
Vermont 144 
Virginia 144 
Washington 144 
West Indies 1 44 
West Virginia 144 
Wisconsin 144 
Wyoming 1 44 
