ENGINEER DEPARTMENT, UNITED STATES ARMY. 



REPORT 



1'1'OX 



GEOGRAPHICAL AND GEOLOGICAL 



EXPLORATIONS AND SURVEYS 



WEST OF THE ONE HUNDREDTH MERIDIAN, 



IN R1IARGE OF 



FIRST LIEUT. GEO. M. WHEELER, 



CORPS OF ENGINEERS, U. S. ARMY, 



UNDER THE DIRECTION OF 



BRIG. GEN. A. A. HUMPHREYS, 



CHIEF OF ENGINEERS, U. S. ARMY. 



PUBLISHED BY AUTHORITY OF HON. WM. W. BELKNAP, SECRETARY OF WAR, 



IN ACCORDANCE WITH ACTS OF CONGRESS OF JUNE S3, 1874. AND FEBRUARY 15, 1875. 



IN SIX VOLUMES, ACCOMPANIED BY ONE TOPOGRAPHICAL AND ONE 

 GEOLOGICAL ATLAS. 



CHAPTER II. 



VOL. V.-Z00L0GY. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1S75. 



