CLASSIFIED    KEY    TO    THE    INDEX.  391 
Quaternary — Continued.  Page. 
Ohio  Valley  region .' 752 
Pacific  coast  region 752 
Rocky  Mountain  region 752 
Southwestern  region 753 
West  Indies 753 
Genera] 753 
Rhode  Island . .% 753 
Salvador 753 
Silurian r 753 
Alaska 753 
Appalachian  region 753 
Atlantic  coast  region 753 
Canada 753 
Great  Basin  region 754 
Great  Lakes  region 754 
Greenland .' 754 
Mississippi  Valley  region 754 
New  England  and  New  York 754 
Ohio  Valley  region 754 
Southwestern  region 755 
General 755 
South  Carolina 755 
South  Dakota . 755 
Tennessee 756 
Tertiary 757 
Alaska 757 
Atlantic  coast  region 757 
Canada 757 
Great  Basin  region 757 
Great  Plains  region 757 
Greenland 757 
Gulf  region 757 
Mexico 758 
Mississippi  Valley  region 758 
New  England  and  New  York 758 
Ohio  Valley  region 758 
Pacific  coast  region •. 758 
Panama 759 
Philippine  Islands 759 
Rocky  Mountain  region 759 
Southwestern  region 759 
West  Indies , 759 
General 760 
Texas 760 
Triassic 761 
Alaska 761 
Appalachian  region 761 
Atlantic  coast  region 761 
Canada 761 
Great  Basin  region 761 
Great  Plains  region 761 
Pacific  coast  region 762 
Rocky  Mountain  region „ 762 
