302 University of California Publications in Zoology [Vol. 10 



others were seen in the vicinity of Dos Palmos as late as May 27. 

 Three specimens (nos. 1757-1759) secured at Cabezon on 

 May 7, 13 and 15, are referable to the subspecies pileolata, as 

 in all probability is the case with all of these late migrants 

 travelling northward on the eastern side of the mountains. 



Wilsonia pusilla chryseola Ridgway 



Golden Pileolated Warbler 



A pileolated warbler taken at Tahquitz Valley, July 30 (no. 



2788) is of this subspecies. Several others, presumably of the 



same form, were seen in Tahquitz Valley at this time, and on 



Thomas Mountain, between August 16 and 21. 



Anthus rubescens (Tunstall) 



Pipit 



A si null' bird seen May 4 in a cultivated field near Cabezon. 



Cinclus mexicanus unicolor Bonaparte 

 Dipper 



Several seen near the mouths of the canons at Cabezon and 

 Whitewater, during May. Other points of record were Fuller's 

 Mill, where several were noted from June 30 to July 5, Straw- 

 berry Valley, one seen July 30. and Tahquitz Valley, where 

 single birds were met with occasionally during the last two weeks 

 of July. 



Three specimens were preserved, an adult and a juvenal from 

 Puller's Mill (nos. 1990, 1991). and a juvenal from Tahquitz 

 Valley (no. 2756). The latter, shot July 17, was full grown, 

 and apparently earing for itself, as no adults were with it. 



Mimus polyglottos leucopterus (Vigors) 

 Western Mockingbird 



A common species at the western base of the mountains, and 

 in San Gorgonio Pass to the northward. In the latter region 

 mockingbirds were seen commonly at Banning, and in dimin- 

 ishing numbers eastward as far as Cabezon. In the mountains 

 proper but a single individual was encountered, at Thomas Val- 

 ley, altitude about 4400 feet, on June 6. 



