CONTENTS. 



Introduction 547 



Biologic character of the sedimentary formations in Panama 547 



Eocene 547 



Oligocene 549 



Bohio conglomerate 549 



Limestone on Haut Chagres 549 



Limestone at David 549 



Large Foraminifera from David 549 



Culebra formation 550 



Fossils from the Culebra formation 551 



Deposits of the age of the Culebra formation near Tonosi 554 



Large Foraminifera from near Tonosi 555 



Fossil corals from station 6587, Tonosi 555 



Cucuracha formation 555 



Emperador limestone 556 



Fossils from the Emperador limestone 557 



Caimito formation 558 



Miocene. 558 



Gatun formation 558 



Fossils, except Mollusca, from the Gatun formation 559 



Mollusca from the Gatun formation according to Brown and Pilsbry. 560 



Pliocene 562 



Toro limestone 562 



Pleistocene 563 



Fossils from the Pleistocene of the Canal Zone 563 



Correlation of the sedimentary formations of Panama 565 



Tertiary formations of the southeastern United States 565 



A provisional correlation table of the Tertiary formations of the South 



Atlantic and eastern Gulf Coastal Plain of the United States 569 



Correlation of the Tertiary formations of the southeastern United States 



with European subdivisions of the Tertiary 569 



Eocene 569 



Oligocene 570 



Miocene 572 



Alum Bluff formation 572 



Marks Head marl and the Calvert formation 574 



Choptank and St. Marys formations 575 



Yorktown formation and Duplin marl 575 



Choctawhatchee marl 576 



Pliocene 576 



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



age-equivalents in Central America and the West Indies 577 



Eocene 577 



Oligocene 578 



Lower Oligocene 578 



Middle Oligocene 582 



Upper Oligocene 585 



in 



