IV CONTENTS. 



PART II. 



PaRe. 



Special keports on geology and paleontology 315 



Lignitic formation and Fossil flora, by Leo. Lesquerenx 317 



Part 1. — Details of explorations in the Lignitic formations of the Rocky 



Mountains 318 



Raton Mountains 318 



The Arkansas Valley, from Pueblo to Caiion City 322 



Colorado SiJrings to Denver 325 



South Platte to Cheyenne 327 



Cheyenne to Carbon Station 330 



Carbon to Black Butte Station , 331 



Black Butte to Rock Spring 333 



Green River Station 336 



Evanston 337 



Coalville, Utah 339 



The Western Lignitic formation considered as Eocene 339 



General characters of the flora of the American Eocene 343 



The American Eocene identical with that of Europe by general characters, 348 



Part 2. — The Lignite ; its formation 350 



The Lignitic considered in its applicability — areal distribution and thick- 

 ness of the strata 358 



The Northern Lignitic Basin 358 



The New Mexico Lignitic Basin 362 



The Colorado Liguitic Basin, from Pueblo to Cheyenne 364 



The Lignitic deposits along the Union Pacific Railroad, from Cheyenne 



to Evanston 367 



Concluding remarks 368 



Enumeration and description of Fossil plants from the Western Tertiary 



formations 371 



General remarks 408 



Table of distribution of the species of Fossil plants from the Tertiary for- 

 mations of North America .• 410 



Description of species of Fossil plants from the Cretaceous of Kansas 421 



Conclusion 426 



Paieoutological report by F. B. Meek 429 



General remarks , 431 



Silurian age 431 



Carboniferous age 432 



Jurassic age 434 



Cretaceous age 435 



Tertiary age 462 



Lists of fossils collected 463 



Silurian species 463 



Carboniferous species , 465 



Jurassic species 471 



Cretaceous list 474 



Tertiary species 478 



Description of new species of fossils - 479 



Silurian forms 479 



Cretaceous forms 487 



Tertiary forms 516 



Report of a geological reconnoissance along the Union Pacific Railroad, by H. 



M. Bannister 521 



