BIEDS OF NORTH AND MIDDLE AMBEIOA. 



173 



114-131(123.2); wing, 70-77 (72.3); tail, 49-56 (52.3); exposed culmen, 

 10-11 (10.2); tarsus, 18-20 (18.9); middle toe, 11-12 (11.2).« 



Adult female. — Similar to the adult male but duller in color, with 

 gray of head and neck browier and white of under parts less pure; 

 length (skins), 117-127 (121.7); wing, 70-75 (72.1); tail, 49.5-54 (52); 

 exposed culmen, 9-11 (9.6); tarsus, 18-20 (19.1); middle toe, 11-12 

 (11.2).» 



Yovmg {in first autumn and winter). — Very different from the cor- 

 responding stag'e of L. s. soUtarius. Pileum, hindneck and sides of 

 head and neck varying from olivaceous hair brown to grayish olive, 

 not very, if at all, different from color of back; orbital ring and 

 supraloral mark and white of under parts strongly tinged with brown- 

 ish buff. 



Young {first plumage). — Wings and tail as in adults; rest of upper 

 parts brownish gray; under parts entirely dull white, the flanks and 

 under tail-coverts faintly tinged with yellowish. 



Pacific coast district of the United States and British Columbia (both 

 sides of Cascade Range) ; breeding from Vancouver Island and eastern 

 side of Cascade Range in British Columbia (Clinton; Tobacco Plains) 

 southward to southern California (mountains of Los Angeles County) 

 and eastward to Idaho (Fort Sherman; Fort Lapwai), western Wyo- 

 ming (Fort Bridger) ?, and eastern Oregon (Fort Klamath); during 

 migration east to Utah (Wasatch Mountains), New Mexico (upper 

 Pecos River), etc., and southward through Arizona and western Mex- 

 ico to States of Jalisco (Talpa, San Sebastian), Morelos (Tetela del 

 Volcan), Guanajuato, and Oaxaca (Talea). 



« Nineteen specimens. 



6 Nine specimens. 



Specinaens from different localities average, respectively, as follows: 



Locality. 



Middle 

 toe. 



MALES. 



Six adult males from Arizona (April to June) 



Two adult males from northern Lower California and 



southern California 



Three adult males from northern California and Oregon. . . 



Two adult males from Washington (Seattle) 



Five adult males from Vancouver Island 



One adult male frcrlh Fort Bridger, Wyo. (May 16) 



FEMALES. 



Five adult females from Arizona ( April, May) 



One adult female from southern California (Los Angeles) . . 

 Two adult females from northern California arid Oregon . . 

 Oneadult female from eastern British Columbia (Clinton) . . 



11.7 

 11 



11.3 

 11 



11.5 

 11 



11.7 

 11 



