94 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



white; abdomen light saffron yellow; flanks and under tail-coverts 

 dull white or yellowish white, barred with black, the bars usually 

 somewhat V-shaped, at least on coverts; bill dull black or slate-black; 

 legs and feet dusky greenish (olive-green or grayish green in life?); 

 length (skins), 207-251 (225); wmg, 125-140 (131.1); tail, 72.5-88 

 (81); culmen, 28-35 (30.3); tarsus, 22-25 (22.8); outer anterior toe, 

 18-20.5 (19.1).« 



Adult female. — Similar to the adult male but no red spot on crown, 

 wliich is wholly light drab (like general color of head, neck, and 

 under parts), and yellow of abdomen paler and more restricted; 

 length (skms), 195-224 (214); wmg, 120.5-134 (128); tail, 62-83 

 (73); culmen, 24.5-29 (26.4); tarsus, 20.5-23 (21.6); outer anterior 

 toe, 17-19 (18).^ 



Young male. — Similar to the adult male but general color of head, 

 neck, and under parts rather paler and more grayish, red crown-spot 

 smaller and much duller red, and back more or less tinged or washed 

 with pale buffy gra3dsh brown, the bars also less sharply defined than 

 in adults. 



Young female. — Similar to the young male but crown without any 

 red. 



Northwestern Mexico, in States of Sonora (Fronteras; Hermosillo; 

 Alamos; Batamotal; Camoa; Colonia Lerda; Guaymas; Senoyta; Rio 

 Santa Cruz; Pozo de Luis; Bacadehuachy; Sierra Blanca; Ysleta; 

 Rio Negro; RioMa3^o; Moctezuma; Altata; Nuri; Cedros), Chihuahua 

 (Batopilas; Cajon Bonita Creek), Sinaloa (Mazatlan; Presidio de 



o Thirty-three specimens. 



b Twenty-one specimens. 



Locality. 



Outer 

 ante- 

 rior toe. 



MALES. 



Ten adult males from Arizona 



Ten adult males from Sonora 



Ten adult males from Sinaloa (9) and Tepic (1) 



Two adult males from Jalisco 



One adult male from Durango 



Ten adult males ( C. u. brewsteri) from Cape district, Lower 

 California 



FEMALES. 



Ten adult females from Arizona (9) and New Mexico (1) 



Seven adult females from Sonora 



Ten adult females from Sinaloa (S) and Tepic (2) 



Two adult females from Jalisco 



Ten adult females ( C. u. brewsteri) from Cape district 



19.1 

 18.7 

 19.2 

 19.3 

 19 



17.7 



17.8 

 17,4 

 18.2 

 17.8 

 16.6 



While specimens from Sinaloa, Durango, Jalisco, etc., average smaller than those 

 from Arizona, some of them being quite as small in one measurement or another aa 

 those from the Cape San Lucas district, their coloration is, however, like that of 

 northern examples. 



