-4m^ 





UNITED STATES GEOLOGICAL I^XFLORATION OF THE FORTIETH PARALLEL. 

 CLARENCE KING, GEOLOGIST-IN-CHARGE. 



PAET I. 



PALEONTOLOGY. 



BY 



F. B. MEEK. 



PART II. 



F^ L .^E; O ]^T O L O G^ Y 



BY 



JAMES HALE AND R. P. WHITFIELD. 



PART II r. 



ORNITHOLOGY 



BY 



ROBERT RIDGWAY. 



SUBMITTED TO THE CHIEF OF ENGINEERS AND PUBLISHED M OEDEK OF THE SECEETABY OF 

 WAK UNDER AUTHORITY OF CONGRESS. 



rLLTJSTKATED BY XXIV PLATES. 



» ^ > ^ «- 



WASHINGTON: 



GOVEKNMENT PRINTING OFFICE. 



18 77. v-vi 



