BIRDS OF NORTH AND MIDDLE AMERICA. 



309 



Adnli female. — Above olive-grayish, becoming- more yellowish olive 

 on rump and upper tail-coverts, the feathers of pileum, back, and 

 scapulars with darker mesial streaks, sometimes l)lack with merely 

 the margins grayish olive; wings dusky with light grayish edg'ings, 

 the middle and greater coverts broadly tipped with white, forming 

 two distinct bands; tail yellowish olive with four middle rectrices and 

 terminal portion of the remainder darker, more grayish olive; under 

 parts plain yellowish olive, passing into clear yellow (gamboge or light 

 lemon) on median portion of breast and abdomen. (In those speci- 

 mens having Inroad ])lack centers to feathers of pileum, back, etc., the 

 throat more or less spotted or clouded with black; sometimes the 

 whole chin, throat, and chest uniform black.) 



Immature male. — Similar in coloration to adult females, but larger. 



Young male and female {first i^luinage). — Similar to the lighter- 

 colored adult females, but paler, and with the remiges more broadly 

 margined with whitish. 



Adult w«7^^.— Length (skins), 188-210.8 (199.1); wing, 98. 6-106. Y 

 (104.1); tail, 79.2-91.9(88.1); exposed culmen, 20.8-24.6 (22.9); depth 

 of bill at base, 8.6-9.9 (9.4); tarsus, 22.9-25.4 (28.9); middle toe, 

 17-19.1 (18).^ 



Adult female.— \^^wgt\\ (skins), 184.2-203.2 (191.. 5); wing, 94.5-102.1 

 (97.8); tail, 81.3-88.4 (84.3); exposed culmen, 20.3-22.9 (21.3); depth 

 of bill at base, 8.1-9.7 (8.9); tarsus, 23.4-24.9 (24.1); middle toe, 

 16.3-19.6 (17.5).' 



Southwestern United States, Lower California, and Mexican pla- 

 teau; north to western Texas (El Paso County; Pecos River), New 

 Mexico (Sandia Mountains, near Santa Fe; Silver Cit}^; Fort Bayard), 

 Arizona (Chiricahua and Santa Rita mountains; Tucson), southern 

 Utah (Beaver Dam Mountains), southern Nevada (Charleston, Grape- 

 vine, White, and Juniper mountains, and Stillwater), and southern 

 California (San Bernardino, San Diego, Los Angeles, and ln3"o 

 counties); south to Vera Cruz (temperate and alpine zones), Pue])la 

 (San Bartolo; Tehuacan), Mexico (Tlalpam), and Hidalgo (Pachuca). 



^ Sixteen specimens. 



''■ Ten specimens. 



Adult males from different localities average as follows: 



Locality. 



Middle 

 toe. 



MALES. 



Ten adult males from Arizona, New Mexico, west- 

 ern Texas, etc 



Four adult males from Lower California 



Two adult males from southern Mexico (Tlalpam 

 and Guanajuato) 



17.8 



IS. 5 



