BIRDS OF NORTH AND MIDDLE AMERICA. 



801 



on under parts cinnamon-rufous or rufcscent brown, the white por- 

 tions often tinged or suffused with buff or ochraceous.'' 



Young (of all phases). — Similar to adults, but pileum without 

 distinct (if any) streaks. 



Adult male. — Length (skins), 138-170 (159); wing, 86.5-97 (92.1); 

 tail, 52.5-65.5 (59.7); culmcn, from cere, 9.5-12 (11).'> 



Adult female. — Length (skins), 155-180 (166); wing, 93-102.5 

 (97.1); tail, 55.5-69.5 (62.5); culmen, from cere, 10.5-13 (11.6).<= 



Lower Rio Grande Valley in southern Texas (Brownsville and Fort 

 Brown, Cameron County; Hidalgo and Lomita Eanch, Hidalgo 

 County) and southern Arizona (Camp Lowell; Tucson; Rillito 

 Creek, near Tucson; New River; Casa Grande; mountains of Pima 



« In more richly colored specimens. 

 f> Thirty-two specimens, 

 c Twenty-one specimens. 



Locality. 



MALES. 



Seven adult males from Texas 92.2 62.4 10.8 



Two adult males from Vera Cruz 94 60 10.7 



One adult male from Oaxaca 94 58 12 



One adult male from Guerrero 94 58 11 



Five adult males from Sonora 90.5 60.5 10.8 



One adult male from Tepic 91.5 62 11 



Seven adult males from Yucatan 89.2 58.6 10.9 



One adult male from Honduras 97 52.5 11.5 



Three adult males from Salvador 93 57.5 11.2 



One adult male from Nicaragua 95.5 59.5 11 



Three adult males from Costa Rica 95.2 59 11.5 



SixadultmalesfromColombia(Bonda, SantaMarta)=(?. 6. ? 94.1 59.2 11.8 



Oneadultmalefrom Venezuela (Puerto Cabello)= (3. 6. ? 91 54 11.5 



One adult male from Margarita Island= (7. &. ? 96 62.5 13 



Three adult males from Trimdad=tr. 6. p/taZasnoWfs 97.5 59.5 11.3 



Three adult malcsfroni Peru (Monocucho) 93.8 63.7 10.8 



Oneadultmalefronis. W.Brazil (Chapada,Mattogrosso)=G. 6. 7 94 58 10.5 



FEMALES. 



Sixadultfemalesfrom Texas 97.2 63.8 11.5 



Two adult females from Vera Cruz 96 62.2 12 



OneadultfemalefromJalisco 95.5 58 10.5 



One adult female from Sinaloa 94 62.5 11 



Two adult females from Sonora 97.2 65.5 11 



One adult female from Arizona 97 67 11 



Two adult females from Yucatan 94.7 G2.2 11.7 



Two adult females from Salvador 100 62 12.2 



Four adult females from Costa Rica 98.2 59.6 12 



One adult female from Venezuela (Rio Aurare)= 0.6. ? 97.5 61 12.5 



Oneadultfemalefrom Peru (Hacienda Limon)= 0.6. ? 98 66 11. S 



One adult female from s.w. Brazil (Chapada,Mattogrosso) 97.5 65 11.5 



Some of the specimens from Yucatan have very narrow streaks on the under parts 

 but others are quite normal in this respect. 



3G22°— Bull. 50, pt 6—14 51 



Culmen, 

 i'rom 

 cere. 



