UNITED STATES GEOLOGICAL AND GEOGRAPHICAL SURVEY OF THE TERRITORIES. 

 F. V. HAYDEN, U. S. Geologist-in-Charge. 



I.— A KEVIEW OF THE FOSSIL FLORA OF NORTH AMERICA. By Leo 

 Lesquereux. 



II.— NOTES ON THE GEOLOGY OF SOME LOCALITIES NEAR CANON CITY, 

 FREMONT COUNTY, COLORADO. By'S. G. Williams. 



III.— SOME ACCOUNT, CRITICAL, DESCRIPTIVE, AND HISTORICAL, OF 

 ZAPUS HUDSONIUS. By Dr. Elliott Coues, U. S. A. 



IV.— ON THE BREEDING-HABITS, NEST, AND EGGS, OF THE WHITE- 

 TAILED PTARMIGAN ( LAGOPUS LEUCURUS). By Dr. Elliott 

 Coues, U. S. A. 



v.— LIST OF HEMIPTERA OF THE REGION WEST OF THE MISSISSIPPI 

 RIVER, INCLUDING THOSE COLLECTED DURING THE HAYDEN 

 EXPLORATIONS OF 1878. By P. R. Uhler. 



VI.— ON SOME NEW SPECIES OF FOSSIL PLANTS OF THE LIGNITIC 

 FORMATIONS. By Leo Lesquereux. 



VII.— NEW SPECIES OF FOSSIL PLANTS FROM THE CRETACEOU^ FORMA- 

 TION OF THE DAKOTA. GROUP. By Leo Lesquereux. 



VIIL— NOTES ON THE LIGNITIC GROUP OF EASTERN COLORADO AND 

 WYOMING. By F. V. Hayden. 



IX.— ON THE SUPPOSED ANCIENT OUTLET OF GREAT SALT LAKE. By 

 A. S. Packard, Jr. 



BULLETIN NO. 5.-SEC0ND SERIES. 



WASHINGTON:. 



GOVERNMENT PRINTING OFFICE. 

 1876. 



