706 



BULLETIN 50, TJNITED STATES NATIONAL MUSEUM. 



coverts usually having indistinct transverse mottlings or vermicula- 

 tions of grayish brown or dusky; outer webs of exterior scapulars 

 pale buff to buffy white, margined with black terminally, pattern of 

 larger wing-coverts, remiges, and rectrices as in the gray phase, but 

 the color of both darker and lighter markings more rufescent or cin- 

 namomeous; face light cinnamon-rufous, sometimes intermixed with 

 buffy white; chin immaculate dull white or buffy white; throat pale 

 cinnamon-rufous streaked with dusky; rest of under parts white (the 

 plumage suffused with light cinnamon-buff beneath surface), with 

 conspicuous mesial streaks of black, these broadest (spot-like) on 

 breast, and here and there throwing off on each side narrow bars of 

 black, often in pairs, enclosing between them a space of light 

 cinnamon-rufous; thighs plain light cinnamon-rufous, passing into 

 pale cinnamon-buff on legs. 



Young. — ^Remiges and rectrices (if developed) as in adults; rest of 

 upper parts as in adults but black streaks indistinct (obsolete in some 

 places) ; under parts pale cionamon-buff deepening into light cinna- 

 mon-rufous on chest and throat, the breast, sides, and flanks with 

 narrow and indistinct bars of dusky. 



Adult male.— Length, (skins), 150-193 (175); wing, 139.5-151.5 

 (143.2); tan, 64-75.5 (69.7); cuknen, from cere, 10.5-13.5 (12.1). » 



AduU female.— Length, (skins), 164-199 (189); wing, 141-151 

 (145.7); tail, 68.5-75.5 (71.5); cuhnen, from cere, 11.5-13 (12.2).'' 



Southern Arizona (Huachuca Mountains; west side San Luis 

 Mountains; San Pedro slope of Sierra de Catalina; Fort Lowell), 

 and southward through Mexico, in States of Chihuahua (El Carmen), 

 Durango (Rio Sestln), Jalisco (Los Masos, 5,800 feet; La Pis&gua), 

 Michoacfi.n (Patzcuaro), Guerrero (Omilteme, 8,000 feet), Mexico 

 (CJhimalpa; Ajusco), Puebla (Zentla), and Oaxaca (La Parada), and 

 Territory of Topic (Sierra Madre) to highlands of Guatemala (Cob&n; 

 Duenas; Volc&n de Fuego above Calderas; San Bernardino in Mon- 



