1913] Grinnell-Swarth : Birds and Mammals of San Jacinto 207 



to individuals and species. In many instances the breeding 

 species were not the same as those encountered in Strawberry 

 Valley, two thousand feet lower. These more boreal forms were 

 Stephens sparrow, Williamson and red-breasted sapsuckers, 

 golden-crowned and ruby-crowned kinglets, and Lincoln sparrow ; 

 but besides these there were the hordes of birds of the lower zones 

 beginning the late summer movement into the high mountains. 

 Such species as the Parkman and San Diego wrens, Cassin vireo, 

 and black-throated gray warbler (to mention but a few) were 

 abundant; while occasionally one or two Bell sparrows and black- 

 chinned sparrows, black phoebes, Bullock orioles, and even 

 meadowlarks, were encountered. We were camped in Tahquitz 

 Valley from July 19 to August 5. 



Hemet Lake 



At the extreme lower end of Hemet Valley. The lake, lying 

 between lateral ridges, is a mile and a half long and a quarter 

 of a mile across, and was formed artificially by the building of 

 a dam. about two hundred feet high, across the narrow canon at 

 the outlet of the valley. Lying between Thomas Mountain on 

 the south, and Bald Mountain on the north, it is the natural 

 reservoir and outlet of a vast surrounding area. At the lower 

 (western) extremity of the lake the hills abut closely, the coun- 

 try is rough and brushy, and the shores are steep and rocky; but 

 at the eastern end the valley opens more widely, and in the 

 shallow water of the lake there is a thick growth of tules. Im- 

 mediately above this end of the lake are stretches of marshy 

 ground, rising gradually to the dry meadow land beyond. 



Many large yellow pines surround the lake and dot tin 1 

 meadows above. The adjacent hill sides are densely covered 

 with chaparral, of the same character as that upon the Ken- 

 worthy hills; and over the valley southeast of the lake there is 

 a dense growth of sagebrush. On Bald Mountain, to the north- 

 ward, are many large golden oaks. 



The presence of this large body of water in an otherwise 

 rather arid region accounts for the presence here of numerous 

 species of birds and some mammals which do not find congenial 

 surroundings elsewhere in these mountains. We did not visit 



