PLATE 8 



Fig. 1. San Jacinto Peak, in back center, as viewed from Tahquitz 

 Peak. The steep declivity in foreground rises from Strawberry Val- 

 ley; at extreme right center is the edge of Tahquitz Valley. The patches 

 of brush in the right foreground are chiefly composed of chinquapin 

 (Castanopsis sempervirens) and manzanita (Arctostaphylos patula). Here 

 i- the summer borne of Passerella iliaca stephensi and the forage ground 

 of I-', aid ruins speciosus, Imtli being animals of the upper Transition zone. 

 The trees on the ridge at the right are chiefly Jeffrey pines, those on 

 the higher distant slopes are lodgepole and limber pines. The latter two 

 are purely Boreal elements. 



Pig. 2. Southeast wall of Strawberry Valley, showing lower Transi 

 tiun foresl of black oak, incense cedar, yellow j > i n c and sugar pine, 

 with silver firs of upper Transition on the higher pint inns of the slope. 

 Prom this wooded slope were heard the notes of Strix o. occidentalis; 

 other characteristic liinls were: Piranga ludoviciana, Nuttallornis borealis, 

 and Xenopicus a. gravirostris. 



402 



