ILLUSTRATIONS. 



Page. 

 Figure 1. Map showing location of the Papago Saguaro National 



Monument 5 



Plate I. General view over the Papago Saguaro National Monu- 

 ment 12 



II. Giant Cactus or Saguaro, Papago Saguaro National Monu- 

 ment 14 



III. A. Looking eastward from forested summit of the Sierra 



Ancha ; B. Roosevelt Lake, the Sierra Ancha in the dis- 

 tance 22 



IV. A. Sierra Ancha, looking northward from the divide near 



Roosevelt Lake; B. Sierra Ancha, looking southeastward 



from the divide 23 



V. Location of nest of the painted redstart ; Sierra Ancha 26 



VI. Closer view of the painted redstart's nest 27 



VII. A. Plumbeous gnatcatcher on nest ; B. Male Gila woodpecker. 48 

 VIII. A. Nest with five eggs of Gila woodpecker in giant cactus; 



B. Nesting colony of Farallon cormorant 52 



4 



