344 NORTH AMERICAN BIRDS. 



Adult : Above olive, usually more grayish anteriorly, especially 

 on hind-neck ; wing-bands dull light grayish, more or legs tinged 

 with olive; lower parts varying from dull grayish white, 

 faintly tinged with yellowish on flanks, etc., to decided olive- 

 yellowish, the breast always strongly shaded with olive or 

 olive-grayish, and the throat never distinctly whitish (usually 

 distinctly grayish). Male : Length about 5.50-5.75, wing 2.60- 

 2.80 (2.72), tail 2.30-2.50 (2.38), culmen .53-.59 (.56), bill from 

 nostril .26-.29 (.27), width at base .22-.24 (.23), tarsus .60-.68 

 (.63). Female : Length about 5.25, wing 2.45-2.75 (2.61), tail 

 2.15-2.40 (2.25). Nest and eggs like those of E. minimus (?). 

 Hob. Western North America, north to Lesser Slave Lake; 

 south, in winter, to southern Mexico. 



468. E. hammondi (XANTUS). Hammond's Flycatcher. 

 (?. Outer web of outer tail-feather abruptly paler than inner web (usually 

 distinctly dull whitish) ; culmen .58, or more ; tarsus usually more 

 than .70. (Length 5.75-6.40.) 



d 1 . Colors otherwise much as in E. hammondi, but averaging grayer, 

 with paler (often distinctly whitish) throat. Male: Wing 

 2.70-2.95 (2.83), tail 2.55-2.80 (2.67), culmen .62-.69 (.65), bill 

 from nostril .32-.3S (.36), width at base .24-.27 (.26), tarsus .71- 

 .77 (.74). Female : Wing 2.55-2.75 (2.64), tail 2.50-2.65 (2.52). 

 Nest usually in aspen bushes, similar in composition, etc., to 

 that of E. minimus. Eggs .69 X 51, plain buffy white. Hab. 

 Western United States, south to southern Mexico, east to 

 Eocky Mountains. 



469. E. obscurus (S WAINS.). Wright's Flycatcher. 

 d 1 . Deep brownish olive above, the wing-bands varying from olive 

 to pale olive-grayish ; lower parts dull yellow, shaded across 

 breast with olive-brown ; wing 2.92-3.00, tail 2.65-2.75, culmen 

 .60, bill from nostril .30, width at base .22-.2S, tarsus .68. Hab. 

 Southern Mexico (Orizaba ; city of Mexico). 



E. fulvipectus LAWU. Narrow-billed Flycatcher l 



a*. Lower parts deep buff, deepening into ochraceous on breast and sides. 

 b l . Upper parts deep hair-brown, tinged with umber. 



c 1 . Lower parts soft pinkish buff, inclining to isabella-color on breast, paler 

 on throat and belly, the under tail-coverts nearly white ; wing 2.70, 

 tail 2.45, culmen .52, bill from nostril .28, width at base .21, tarsus 

 .60. Sab. Eastern Mexico and southern Texas (?). 



470. E. fulvifrons ((TIRAUD). Fulvous Flycatcher. 



c 2 . Lower parts bright ochraceous-buff, inclining to deep ochraceous on 

 breast, and pale buffy yellow on belly, the throat buffy whitish and 

 lower tail-coverts yellowish white ; wing 2.35-2.55 (average 2.43), 



1 Empidonax fulvipectus LAWR., Ann. Lye. N. Y. x. Feb. 1871, 11. 



