IV CONTENTS. 



Correlation of the sedimentary formations of Panama — Continued. 



Age of the sedimentary formations of Panama, and the distribution of their 



age-equivalents in Central America and the West Indies— Continued. Page. 



Miocene 586 



Pliocene 593 



Tentative correlation table of the Tertiary Marine sedimentary forma- 

 tions of Panama 595 



Pre-Tertiary formations in Central America and the West Indies 595 



Outline of geologic history of the perimeters of the Gulf of Mexico and the 



Caribbean Sea 596 



Geographic relations of the three Americas 597 



General relations 598 



Tectonic Provinces 599 



Bahamas 599 



Atlantic and Gulf Coastal Plain 600 



Mexican Plateau 600 



Oaxaca-Guerrero 600 



Yucatan 601 



Guatemala Chiapas 601 



Cuba 601 



Haiti, northern part 601 



Honduras and the Jamaican Ridge 602 



Haiti, southern part, Porto Rico, and the Virgin Islands. 602 



Saint Croix 603 



Costa Rican-Panama 603 



Andes 603 



Maritime Andes ... 604 



Caribbean Islands 604 



Barbadian Ridge 604 



Caribbean Arc 604 



A ves Ridge 604 



Paleogeogrephic summary 604 



Late Paleozoic 605 



Triassic, Jurassic, and Cretaceous 606 



Eocene and Oligocene 607 



Miocene 607 



Pliocene and later 609 



Tabular summary of some of the important events in the geologic his- 

 tory of the West Indies and Central America 611 



