MNIOTILTA. 483 



a 2 . Gape with very distinct oristles. 



b 1 . Top of head without distinct stripes or yellow crown-patch. 



c 1 . Lower parts yellow (throat sometimes black) ; tail not longer than 



wing, nearly even Sylvania. (Page 527.) 



e 2 . Lower parts without yellow (except in Central and South American 



species of Setophaga). 



d 1 . Bill broad and much depressed at base (as in certain Flycatchers) ; 



tail parti-colored, decidedly rounded, usually longer than wing. 



Plumage with more or less of red and black (except in female 



and young of S. ruticilld) Setophaga. (Page 529.) 



d z . Bill smaller, narrow and deep at base (as in some Titmice) ; tail 

 unicolored, slightly emarginated, about as long as wing, or a 

 little shorter. 



e l . Gray above, with white rump and black crown ; face and 

 throat red, rest of lower parts whitish. 



Cardellina. (Page 530.) 



e 2 . Prevailing color red, with white ear-coverts, or else with 

 whitish tips to feathers of head and neck. 



Ergaticus. (Page 531.) 

 fc 2 . Top of head distinctly striped, or else with a yellow crown-patch. (Lower 



parts at least partly yellow.) 



c 1 . No white on tail ; a black stripe on each side of crown, enclosing a 

 broader one of light olive, ochraceous-orange, or chestnut ; wing and 



tail less than 2.50 Basileuterus. (Page 531.) 



c 2 . Tail-feathers (except middle pair) tipped with a white spot; top of 

 head black, with a yellow crown-patch ; wings and tail about 3.00. 

 . Euthlypis. 1 



GENUS MNIOTILTA VIEILLOT. (Page 480, pi. CXV., fig. 7.) 



Species. 



Plumage black striped with white above, beneath white with black streaks; 

 wing with two white bands, and two outer tail-feathers with white spot near end 

 of inner webs. Adult male : Throat thickly streaked with black, the latter some- 

 times nearly uniform. Yourig male : Throat pure white, without streaks ; other- 

 wise like adult. Adult female : Similar to young male, but colors duller, the black 

 less intense, and white of lower parts tinged with brownish, especially along sides. 

 Nestling: Similar to adult female, but colors much duller and less sharply defined, 

 the head-stripes dull grayish instead of black, and the white parts tinged with 

 fulvous. Length 4.55-5.50, wing 2.60-2.90, tail 1.95-2.25. Nest embedded in 



1 Euthlypis CAB., Mus. Hein. i. 1850, 18. Type, E. lachrymose* CAB. 



The single species of this genus is 5.50-6.00 long (wing and tail each about 3.00) ; upper parts, except as 

 described above, dark slate-color ; lower parts yellow, deepening into tawny ochraceous on chest, the lower tail- 

 coverts whitish ; a white spot on lores, and a smaller white spot on each eyelid. It occurs as far north as Cordova 

 and Mazatlan, perhaps farther. 



