Vol. VI] SWARTH— RACES OF BEWICK WREN 79 



Specimens examined from the following locality: Santa 

 Catalina Island, 14. 



Distinguishing characters — Closely similar to the mainland 

 form charienturus, but averaging slightly darker dorsally, and 

 with somewhat heavier bill and feet. 



Remarks — The peculiarities of the Santa Catalina Island 

 Wren had been already commented upon (Oberholser, 1898, 

 p. 436) before Grinnell (1910, p. 308) affixed a name to the 

 race. The differences distinguishing this form from charien- 

 turus of the neighboring mainland, however, are but slight, 

 barely sufficient to indicate average distinctions in series from 

 the two regions. Of the skins at hand, 13 are adults, mostly 

 in winter plumage, fresh and unworn. These show the color 

 difference claimed for the race, as well as differences of pro- 

 portions, and, admitting that these differential characters are 

 not trenchant, still they exist, and their existence justifies the 

 use of a separate name, especially in an insular form. 



Thryomanes bewicki leucophrys (Anthony) 



Type locality — San Clemente Island, California. 



Range — San Clemente Island, California. 



Specimens examined from the following locality: San 

 Clemente Island, 23. 



Distinguishing characters — In coloration leucophrys is not- 

 iceably grayish as compared with the darker colored neighbor- 

 ing races, catalince, nesophilus and charienturus. In its pale 

 color leucophrys thus approaches eremophilus, but is easily dis- 

 tinguishable by size and proportions; leucophrys has shorter 

 wings and tail, and longer bill. It also has tail shorter than 

 wing, while in eremophilus the reverse is true. The broader 

 superciliary stripe of leucophrys is diagnostic. 



Remarks— T\it San Clemente Wren is a strongly marked 

 form presenting various points of difference easily appreciated 

 by the most casual observer. The generally pale coloration is 

 apparent in the juvenal as in the adult plumage, and the 

 broader and more conspicuous superciliary stripe is also a 

 feature in the juvenal plumage. 



