18 CLASSIFIED KEY TO INDEX. 
Tertiary — Continued. Page. 
Appalachian region 329 
Cuba 329 
Great Basin region 329 
Creat Plains region 329 
Gulf States 329 
Jamaica 330 
Mexico 330 
Mississippi Valley region. 330 
Nicaragua 330 
Panama 330 
Rocky Mountain region 330 
Sierra Nevada and Pacific Coast region 330 
Southwestern region 331 
Trinidad 331 
Yucatan 331 
Texas 331 
Trinidad 333 
Utah 333 
Vermont 333 
Virginia 334 
Washington 334 
West Indies : 335 
West Virginia 335 
Wisconsin 335 
Wyoming 336 
Yucatan 337 
