xiv ILLUSTRATIONS 



Desert Bighorn (Ovis cremnobates) 136 



Photograph of a mounted group by courtesy of the Cali- 

 fornia Academy of Sciences 



Desert Lynx 146 



Coyote at Bay 146 



Photograph furnished by Biological Survey, U.S. De- 

 partment of Agriculture 



Coyote- Proof Henhouse made by the Cahuilla 

 Indians of California 150 



A Desert Canon 174 



Nest of the Le Conte Thrasher 194 



Photograph by Wright M. Pierce 



Young Le Conte Thrasher 206 



Photograph by Wright M. Pierce 



Nest of the Verdin in a Cat's-Claw Bush 206 



Black-Tailed Hare 232 



Chuckwalla 240 



The Sidewinder, or Horned Rattlesnake 248 



The Pallid Rattler (Crotalus mitchellii) 248 



A Desert Tortoise which has just crawled 

 from its Winter-Hiding between the Rocks 258 



Vinegaroon 270 



