170 TYRANNIDiE, FLYCATCHEES. GEN. 105, 106. 



hut chiefly Eastern United States to Eocky Mountains ; rare or casual on 

 the Pacific slope ; abundant in summer. Destro^'s a thousand noxious insects 

 for every bee it cats ! WiLS., i, 66, j)!. 13 ; Add., i, 204, j)!. 56 ; Nutt., i, 



265; Bd.,171; Coop., 311 cakolinensis. 



Gray Kingbird. Five or six outer primaries usually emarginate. Grayish- 

 plumbeous, rather darker on the head, the auriculars dusky ; below white, 

 shaded with ashy on breast and sides, the under wing and tail coverts faintly 

 yellowish ; wings and tail dusky, edged with whitish or yellowish ; the tail 

 feathers merely indistinctly lighter at the extreme tip. Larger than the last ; 

 about 9 ; wing 5 J ; tail nearly 5, more or less emarginate ; bill very turgid, 

 an inch long. West Indies ; Florida regularly ; N. to Carolina rarely {Aud- 

 ubon), to Massachusetts accidentally {Allen). Aud., i, 201, pi. 55; Bd., 



172 DO.MINICENSIS. 



* * Olivaceous and j-ellow ; belly and under tail coverts clear yellow, back ashy 

 olive, changing to clear ash on the head, throat and breast, the chin whitening, the 

 lores and auricnlars usually dusky, wings dark brown with whitish edging, tail 

 black or blackish, bill and feet black. Very young liirds paler below, with rufous 

 traces above. 8-9 long ; wing nearlj' 5 ; tail about 4 ; bill f-f . 



Arkansas Flycatcher. Several outer primaries gradually attenuated for a 

 h)ug distance (tig. 110c). Outer web of outer tail feather entirely white. Ash 

 of the fore parts pale, contrasting with dusky lores aud auric- 

 ulars, fading insensibly into white on the chin, and chang- 

 ing gradually to yellow on the belly ; olive predominating 

 over ashy on the back. Western U. S., abundant; acci- 

 dental in Louisiana, New Jersey. Nutt., i, 273 ; Aud., i, 



Fig. 112. Arkansas Flv- , ^^i irj t-» Ann r-\ o-ic* 



catcher. 199, pi. 54; iJD., 173; Coop., 312. . . verticalis. 



Cassin's Flycatcher. Several outer primaries abruptly emarginate for a 

 short distance (fig. 110c?) . Outer web of outer tail feather barely or not edged 

 with whitish. Ash of fore parts dark, little different on the lores and auricu- 

 lars, changing rather abruptly to white on the chiu and to yellow on the 

 belly; ashy predominating over olive on the back. Southwestern U. S., and 

 southward, common. Tyrannus cassinii 'Lxwn., Arm. Lye. Nat. Hist. N. Y. 

 V, 39, pi. 3, f. 2; T. vociferans Bd., 174; Coop., 314. . vocifeuans. 



Couch's Flycatcher. Very similar to the last ; tail dark brown, like the 

 wings, and obviously forked (about ^ an inch ; in cassinii the tail is quite 

 black and slightly emarginate or nearly even), all its feathers with slight 

 pale edges, and their shafts pale on the under surface ; yellow of under parts 

 very bright, reaching high up the breast ; throat as well as chin extensively 

 white. A universally distributed S. aud Cent. Am. species, of which a slight 

 northern variety {T. couchii Bd., 175) reaches our Mexican border. S. 

 Arizona {Bendire) ; Coues, Am. Nat. vi, Aug. 1872. . melanciiolicus. 



106. Genus MYIARCHUS Catoanis. 



* ,n* No colored patch on the crown, but head slightly crested ; primaries not 

 emarginate. Olivaceous ; more or less yellow below, the throat ash, the primaries 



