UNIV, CALIF. PUBL, ZOOL. VOL, 5 
A south-facing slope on the north wall of the upper Sant: é t an altitude of 5 
zone is purely Upper Sonoran. The plant in t ; 
clumps beyond, Hriogonum fasciculatum; anil 
folius. Horned toads and brown-shouldered li 
jays, and western gnatcatchers were common. 
pine woods, with their juncos, blue-fronted jays, and nuthatches. 
a polystach 
across the 
