BIRDS OF NOETH AND MIDDLE AMERICA. 



839 



intermbced with dusky immediately in front of eye; auricular, sub- 

 orbital and malar regions and sides of neck pale gray, fading into 

 white or grayish white on chin and throat; chest, sides, and flanks 

 pale gray (the former sometimes white medially),'^ the remaining 

 under parts white; axillars and under wing-coverts dull white or 

 yellowish wliite, faintly barred or otherwise variegated with pale 

 gray; inner webs of remiges broadly edged with dull yellowish white 

 or very pale yellowish bufl"; maxilla grayisii black (grayish blue or 

 plumbeous in life), mandible slightly paler, with still paler tomia and 

 tip; iris brown; legs and feet dusky in dried skins (pale grayish blue 

 in life); length (skins), 116-135 (124); wing, 66-76 (69.2) ; tail, 47-54 

 (50.6); exposed culmen, 12-13.5 (12.6); tarsus, 17-18.5 (17.7); mid- 

 dle toe, 10-12 (11.2).'' 



Adult female. — Above plain bright tawny or rufous-tawnj', the 

 pileum usually slightly darker, sometimes duller; beneath pale buff 

 deepening into bufl^ or tawny-bufl^ on sides of head and neck, chest, 

 and sides, paler (sometimes nearly wliite) on upper tliroat, chin, and 

 abdomen; axillars and under .wing-coverts clear buff or tawny-buff; 

 inner webs of remiges broadly edged with pinkish bufl^; bill, legs, and 

 feet as in adult male; length (skins), 116-133 ( 126) ; wing, 66-70 (67.6) ; 

 tail, 46-50 (48.6) ; exposed culmen, 12.5-13.5 (13) ; tarsus, 17-19 ( 17.9) ; 

 middle toe, 11-11.5 (11.4).'^ 



Panama (Panama City; Lion Hill and Paraiso stations; Chepo; 

 Veragua) and southward through Colombia (Santa Marta; Rio Lima; 

 Bogota), Venezuela (Guanaguana; Caicara; Altagracia; Merida; Cara- 

 cas) , Trinidad, Cayenne, Surinam (Paramaribo) , Lower Amazon Valley 

 (Mexiana Island; Para; Santarem), and eastern Peru (Chyavetas; 

 Chamicuros) to southern Brazil (Rio Jurua, Sao Paulo). 



a In some specimens the chest and sides of breast arc indistinctly mottled or sqna- 

 mated with white and gray, 

 b Fifteen specimens, 

 c Six specimens. 



Locality. 



MALES. 



Six adult males from Panama 



Three adult males from Colombia. 

 Two adult males from Venezuela. . 



Four adult males from Cayenne (3) and Surinam (1) ' 06. 7 



FEMALES. 



Four adult females from Panama. . 

 One adult female from Venezuela 7. 

 One adult female from Cayenne 



Tarsus. 



Middle 

 toe. 



17.8 

 17.5 

 17.5 

 17.8 



17.5 



18 



19 



11.2 

 11.2 

 10.5 

 11.5 



11.3 

 11.5 

 11.5 



The series does not show constant differences in coloration accordint;; to localitj , but 

 is too small for satisfactory comparison. 



