CONTENTS 
PAGE 
Introduction . . . . . . . xv 
Acknowledgments ..... xv 
Directions for Skinning Mammals . . . xviii 
Life Zones ....... xxi 
Bibliography ...... xxv 
THE MAMMALS OF COLORADO 
Class Mammalia ...... i 
Key of the Orders ...... 2 
Order Ungulata 3 
Key of Families and Genera of Ungulata . 3 
Family Bovidas ..... 4 
Family Antilocapridae . . . .12 
Family Cervidae . . . . .18 
Order Rodentia ...... 28 
Key of the Suborders and Families of 
Rodentia ...... 29 
Suborder Duplicidentata .... 30 
Family Leporidas ..... 30 
Family Ochotonidse . . . . -53 
V 
