1913] Grinnell-Sivarth: Birds and Mammals of San Jacinto 201 



composition and relationships of the fauna of the San Jacinto 

 area. This will explain the mention of species of birds which are 

 not formally listed in the body of the report beyond. 



A circumstance which materially aided our work with the 

 vertebrate animals was the previously accomplished Botanical 

 Survey of San Jacinto Mountain, carried on and reported upon 

 by Harvey Monroe Hall (1902). Not only was a guide to the 

 flora of the higher parts of the San Jacintos thus made available, 

 but an admirable exposition of the life zones of the area left little 

 need for the expenditure of our own efforts in this direction. In 

 our present contribution it is presumed that the reader will have 

 already familiarized himself with Professor Hall's invaluable 

 paper; we have avoided repetition of everything already set 

 forth satisfactorily in published literature. 



DESCRIPTIONS OF LOCALITIES 

 Kenworthy and Hemet Valley 

 Kenworthy is an abandoned mining camp near the upper end 

 of Hemet Valley, at an altitude of 4500 feet. Hemet Valley is 

 broad and nearly level, from one to two miles wide, and extends 

 from Hemet Lake nearly to Vandeventer Flat, a distance of about 

 ten miles. Thomas Mountain hems it in on the southwest, while 

 on the northeast are Hemet Peak and the series of ridges leading 

 down from Tahquitz Peak. The floor of the valley is covered 

 mostly with sage {Artemisia tridentata) and widely scattered 

 yellow pines, while at irregular intervals there are grass-covered 

 areas. The largest of these tracts of meadow land is at the 

 head of Hemet Lake and on the adjoining Thomas Ranch ; there 

 are other smaller meadows at Kenworthy and Vandeventer Flat. 

 The hills on both sides are covered with Upper Sonoran chap- 

 arral: greasewood (Adenostoma fasciculatum and A. sparsi- 

 folium), manzanita, ceanothus and scrub oak. The slopes to 

 the northeast of Kenworthy, culminating in Hemet Peak, are 

 extremely rocky, and the brush is more sparse, with scattering 

 Coulter pines and a few four-leaf pinons. The hills west of the 

 valley are more thickly brush-covered, with many dense clumps 

 of scrub oak at their base. Toward Vandeventer Flat these oak 



