CLASSIFIED KEY TO THE INDEX. 
Page. 
Alabama 109 
Alaska 109 
Arclieau and Algoukian 109 
Canada 109 
New England 109 
Appalachian region 109 
Great Lakes region 109 
Rocky Mountain region 109 
Great Basin region 109 
Miscellaneous 109 
Arizona 110 
Arkansas 110 
Bahama Islands 110 
Bermuda Islands 110 
Bibliography 110 
California 110 
Cambrian 11 
Canada 11 
New England 11 
Appalachian region 11 
Great Lakes region t 11 
Mississippi Valley 11 
Rocky Mountain region , 11 
Great Basin region 11 
Miscellaneous 11 
Canada 11 
General 11 
Alberta 11 
British Columbia '.-. 11 
Manitoba 11 
New Brunswick 11 
Northwest Territory 11 
Nova Scotia 11 
Ontario 11 
Carboniferous (including Permian) 112 
Canada 112 
New England 112 
Appalachian region 112 
Mississippi Valley 112 
Great Lakes region 112 
Rocky Mountain region 112 
Great Basin region 112 
Sierra Nevada and Pacific Coast region 112 
Colorado 112 
15 
