BIRDS OF NORTH AND MIDDLE AMERICA. 



77 



Adult female.— Length (skins), 485-577 (524); wing, 162-194.5 

 (173.2); tail, 260-305 (287); exposed culmen, 49-56 (52); tarsus, 

 57-64 (59.9); outer anterior toe, 29.5-34.5 (31.5).« 



More southern portions of western United States (chiefly in Lower 

 Sonoran and southern part of Upper Sonoran zones), north to upper 

 Sacramento Valley, California (Fort Reading; Marysville Buttes; 

 Pitt River), southern Utah (St. George), Colorado (El Paso County; 

 Baca County; near Puebla; near Denver; Gaumer's Ranch; Arkan- 

 sas River; Littleton; Rhinehart Station), and Kansas (Comanche 

 County; Kiowa County; near Ashland, Clark County), east to Gulf 

 coast in Texas (Corpus Christi to Rio Grande) ; south over northern 

 and central Mexico, in States of Sonora (Guaymas; Bisbee), Chihuahua, 

 Nuevo Le6n (Rodriguez; Rio de Ramos; Montemorelos), Tamaulipas 

 (Sierra Madre above Victoria; Jaumave; Camargo; Xicotencal; 

 Velasco; Tamesl, near Tampico; Soto la Maria; Tenango del VaUe); 

 Guanajuato (Silao), Durango (Rio Sestin; Rancho Baillon; Arroyo 

 del Buey; Rio Campo; GuanacevI), Zacatecas (Plateado), Jahsco 



o Twenty-one specimens. 



Locality. 



Outer 



anterior 



toe. 



MALES. 



One adult male from Colorado 



One adult male from Oklahoma 



Seven adult males from western Texas 



Three adult males from Arizona and northern Sonora 



Five adult males from California 



Two adult males from southern Lower California 



Two adult males from Michoacan 



One adult male from Guanajuato 



One adult male from Nuevo Leon 



Three adult males from Tamaulipas 



One adult male from lower Rio Grande, Texas 



FEMALES. 



One adult female from Colorado 



One adult female from New Mexico 



Two adult females from Arizona or northern Sonora (boundary 

 line) 



Three adult females from California and northern Lower Cali- 

 fornia 



Four adult females from southern Lower California 



One adult female from southern Sonora 



Two adult females from Chihuahua 



One adult female from Zacatecas 



One adult female from Nuevo Leon 



One adult female from Puebla 



One adult female from Vera Cruz (Las Vlgas) 



One adult female from Tamaulipas 



One adult female from lower Rio Grande Valley, Texas 

 (Hidalgo) 



One adult female from northern Texas (Granbury) 



32 



34 



32 



33 



31.3 



33 



34 



34 



30.5 



31.8 



31.5 



33 

 3L5 



31.5 



31.2 



32 



30 



30.7 



30 



31 



31.5 



31 



31.5 



32 

 34.5 



