330 NORTH AMERICAN BIRDS. 



c". Tail even ; length of bill from nostril much less than length of tarsus. 



d l . Head, neck, and breast light ash-gray, paler on chin and throat ; 

 wings dusky, with indistinct paler edgings ; tail deep black, 

 the lateral feathers with outer webs abruptly white. Adult 

 male : Longer quills with tips contracted into lengthened nar- 

 row points. Adult female : Similar to male, but tips of longer 

 quills less distinctly attenuated, and orange-red crown-spot more 

 restricted. Young : similar to adult, but colors paler and duller, 

 the wing-coverts bordered with pale buify, yellow of belly, etc., 

 much paler, and colored crown-spot wanting. Length 8.00- 

 9.50, wing 4.75-5.25, tail 3.65-4.00, bill from nostril .50-.55. 

 West and eggs like those of T. tyrannus, the latter averaging 

 .97 X -68. Hab. "Western North America, east across Great 

 Plains (accidentally to Maryland, New Jersey, New York, 

 Maine, etc.), south, in winter, through western Mexico to 

 Guatemala 447. T. verticalis SAY. Arkansas Kingbird. 



d 2 . Head, neck, and breast dark ash-gray or plumbeous, the chin and 

 fore-part of malar region abruptly whitish ; wings light brown- 

 ish gray, with broad paler edgings ; tail dull black, indistinctly 

 tipped with pale brownish gray, the lateral feathers with outer 

 webs indistinctly pale grayish. Young : Similar to adult, but 

 colors much duller, the wing-coverts bordered with pale fulvous 

 or rusty buff, yellow of belly, etc., paler and duller, and colored 

 crown-patch wanting. Length about 8.75-9.00, wing 5.00-5.40, 

 tail 3.70-4-.20, bill from nostril .55-.60. Nest and eggs not es- 

 sentially different from those of T. tyrannus and T. verticalis. 

 Hab. Mexico and Guatemala, north to along eastern base of 

 Eocky Mountains to southern Wyoming, and coast district of 

 southern California to about lat. 37 ; south to Costa Eica. 



448. T. vociferans SWAINS. Cassin's Kingbird. 



GENUS PIT ANGUS SWAINSON. (Page 326, pi. XCIL, fig. 3.) 



Species. 



a 1 . Forehead, superciliary stripe, and band across nape white ; crown with a large 

 partially concealed patch of bright lemon- or gamboge-yellow ; back, scap- 

 ulars, and rump plain light olive-brown ; outer webs of greater wing- 

 coverts, secondaries, primaries, and tail-feathers, broadly edged with rufous, 

 the inner webs of quills and tail-feathers almost entirely of this color ; lores 

 and ear-coverts deep black, producing a conspicuous broad stripe along side 

 of head ; chin, throat, and malar region pure white ; rest of lower parts, in- 

 cluding under wing-coverts, continuous deep sulphur- or pale lemon-yellow; 

 length about 10.00-11.00, wing 4.90-5.10, tail 3.90-4.00, exposed culmen 1.15- 

 1.25, tarsus 1.05. Nest very bulky, dome- or oven-shaped, with entrance on 

 one side, composed of coarse straws, lichens, etc., lined with finer materials, 



