302 V nivt rsity of California Publications in Zoology 1 Vul - 1() 



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

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

 May 7. 13 and 15, arc 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 al 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 Augusl 16 and 21. 



Anthus rubescens (Tunstall) 



Pipil 



A single bird seen Ma\ 4 in ;i cultivated field near Cabezon. 



Cinclus mexicanus unicolor Bonaparte 

 Dipper 



Several seen near the months of the canons at Cabezon and 

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

 Mill, where several were noted from .lime 30 to .Inly 5, Straw- 

 berry Valley, one seen -Inly 30, and Tahquitz Valley, where 

 single birds were met with occasionally during the last two weeks 

 of -Inly. 



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 .Inly 17. was full grown, 

 and apparently caring 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 I'ass to tile 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 hut a single individual was encountered, at Thomas Val- 

 ley, altitude ahollt 4400 feet, oil .llllie li. 



