GEOGRAPHICAL AND GEOLOGICAL EXPLORATIONS AND SURVEYS WEST OP THE ONE 



HUNDREDTH MERIDIAN, FIRST LIEUT. GEO. M. WHEELER, CORPS 



OF ENGINEERS, U. S. ARMY, IN CHARGE. 



REPORTS 



UPON 



THE ZOOLOGICAL COLLECTIONS OBTAINED FROM PORTIONS OF NEVADA, 

 UTAH, CALIFORNIA, COLORADO, NEW MEXICO, AND ARIZONA, 



DUUING 



THE YEARS 1871, 1872, 1873, AND 1874. 



BY 



H. C. YARROW, A. A. SURGEON U. S. ARMY, SURGEON AND ZOOLOGIST 

 TO THE EXPEDITIONS OF 1872 AND 1874. 



H. W. HENSHAW, ORNITHOLOGIST TO EXPEDITIONS OF 1872-'73-'74. 

 PROF. E. D. COPE, PALEONTOLOGIST TO EXPEDITION OF 1874. 



AND THE FOLLOWING SCIENTISTS: 



ELLIOTT COUES, ASSISTANT SURGEON TJ. S. ARMY, SUR- 

 GEON AND NATURALIST TO THE NORTHERN BOUNDARY 

 COMMISSION. 



E. T. CRESSON, OF THE AMERICAN ENTOMOLOGICAL SOCIETY, 

 PHILADELPHIA. 



EDWARD NORTON, FARMINGTON, CONN. 



THEO. L. MEAD, OF CORNELL UNIVERSITY, ITHACA, N. Y. 



WM. H. EDWARDS, CoALBURGH, WEST VA. 



RICH'D H. STRETCH, SAN FRANCISCO, CAL. 



C. E. OSTEN-SACKEN, MUSEUM OF COMPARATIVE ZOOL- 

 OGY, CAMBRIDGE, MASS. 



HENRY ULKE, WASHINGTON, D. C. 



PROF. P. K. tTHLER, PEABODY INSTITUTE, BALTIMORE, MD. 



PROF. CYRUS THOMAS, STATE ENTOMOLOGIST, CARBON- 

 DALE, ILL. 



DR. H. A. HAGEN, MUSEUM OF COMPARATIVE ZOOLOGY, 

 CAMBRIDGE, MASS. 



PROF. A. E. VERRILL, YALE COLLEGE, NEW HA YEN, CONN. 



IN 16 CHAPTERS. 



ILLUSTRATED BY 45 PLATES AND 3 WOOD-CUTS. 



