BIRDS OF NORTH AND MIDDl.E AMERICA. 



415 



teniiiiiall}', the iiuuidiblc paler; iris brown; legs and feet blackish (in 

 tlried skins). 



Adults in (lutuirin and whiter. — Similar to the s])ring and summer 

 dress, but general color of upper parts more decidedly olivaceous, and 

 under parts more strongly tinged with pale olive-yellowish. 



Young. — Essentially like adults, but general color of uj)per parts 

 nearly hair brown, the pileum concolor with back, etc., and the wing- 

 bands and edges of remiges wood brown or cinnamon. 



■Adult male.— Length (skins), 92-110 (97); wing, 50.5-58.5 (51.9); 

 tail, 37.5-48.5 (41); exposed culmen, 8-9.5 (8.6); tarsus, 13.5-15.5 

 (14.2) ; middle toe, 7.5-9 (8.2). « 



Adult female.— J .ength (skins), 91-103 (95.4); wing, 46.5-55 (51.2); 

 tail, 33-44 (37.4); exposed culmen, 7.5-9.5 (8.6); tarsus, 12.5-15.5; 

 (14.2); middle toe, 8-8.5 (8.2).^ 



Southwestern border of United States, in southern Texas (Loniita 

 lianch; Hidalgo; Rio Corono; Grancano) and southern Arizona (Tuc- 

 son; Santa Rita Mountains), southward through Mexico and Guate- 

 mala to western Nicaragua (Realejo).'^ [Tamaulipas: Victoria,Alta 



a Twenty-four specimens. 

 b Twenty-one si^ecimens. 



Locality. 



8 

 S.2 



H.:i 



8.2 



8.7 



8.2 



S. 1 



MALES. 



Five adult males from southern Texas , 



Ten adult males from Tamaulipas 



Five adult males from Vera Cruz (2) , Puebla (1) , Morelos (1) , 



and Tabasco (1) 



Two adult ni.ales from Sinaloa 



One adult male from Tres Marias Islands 



Six adult males from Sonora and southern Arizona .... 



FHIMALES. 



Three adult females from southern Texas 



Three adult females from Tamaulipas (2) and Nuevo 

 Leon (1) 



Four adult females from Puebla (1), Oaxaca (1), and Tabas- 

 co (2) 



One adult female from Cozumel Island 



Four adult females from Jalisco (1), Michoacan (1), Tepic 

 (1) and Sinaloa (1) 



One adult female from Tres Marias Islands 



Five adult females from Sonora (3), Chihualiua (1), and 

 southern Arizona (1) 4 



1 am not al)le to appreciate any constant difference of coloration oi- measurements coin- 

 cident with geographic area. 



<'To what species and form of tliis genus certain citations of Ornithion (or Camptos- 

 loiita) imberbe from South American h)calities refer I am unable, from lack of specimens, 

 to determine, Imt it is scarcely possible they can represent the present form. See 

 Berlepsch, Journ. fiir Orn., 1884, 301 (Bucaramanga, n. Colombia); Sclater, Cat. Birds 

 Brit. Mus., xiv, 1888, 126, 127 (Bahia, Lagoa Santa, etc., Brazil); Ihering, Aves de S. 

 Paulo, 1S99, 192 dguajx', S. Paulo). 



Middle 

 toe. 



1-4. 1 

 14. (i 



14. ii 

 14..-) 

 14 

 14.fi 



14 



14.8 



14.4 



13.4 



