TYEANNIB^ — TYBANNINM : TYRANT FLYCATCHEES. 431 



flycatcher of aggressive appearance, long known in Mexico, recently ascertained to occur ou 

 tlie Lower Rio Grande in Texas. 



117. MYIODYNAS'TES. (Gr. (ivXa, muia, a fly; Suracrrijs-, dunastes, a ruler.) Stkiped Fly- 

 CATCHEES. Related to Myiarclms; tail extensively chestnut, as in that genus, hut no clicstnut 

 on wings. No primaries emarginate. A yeUow crown-spot. Bill shorter than head, as long 

 as tarsus, very turgid, much broader than high at the nostrils, lateral outlines slightly convex, 

 culmen nearly straight to the little hooked tip, gonys long, ascending. Rictus moderately 

 hristled. Wings long and pointed ; od quill slightly longer than 2d, ith little shorter, .5th 

 Uiuch shorter, 1st between 5th and Gth. Tail shorter than wings, nearly even. Feet very 

 siiiull, relatively as weak as in Contopus; tarsus rather shorter than middle toe and claw. 

 .Sev<'ral species of Mexico and tropical Am. flycatchers, with crown-spot, rufous tail, and the 

 wliide plumage streaked. 



36.5. 31. luteiven'tris. (Lat. luteus, yellow, ventris, of venter, the belly.) Sulphur-bellied 

 Stkiped Flycatchef,. Entire upper parts, including the head, streaked ; the feathers with 

 broadly dusky centres and oUve-brown borders, finally edged shghtly with yeUowish-brown. A 

 yellow crown-spot, concealed as in the king-bird. Tail and its upper coverts rich chestnut, all 

 the feathers with blackish shaft stripes— ou the middle feathers about half the width of either 

 n-el), (jn the outer narrowed to the shaft itself and a slightly clubbed end ; from below, shafts 

 of the feathers white except at ends. Wings blackish, the median and greater coverts and 

 inner quills, both externally and internally, conspicuously edged with yellowish-white ; some 

 rufous edgings also on lesser coverts. Under parts, including lining of wiugs, sulphur-yellow, 

 fading to white cjn the throat; everywhere, excepting on midrUe of belly and crissum, heavily 

 .streaked with blackish, these dark stripes sufl'used and blended on the throat, particularly 

 along its sides. Lores and auriculars dusky; forehead and streak over eye whitish. Bill 

 blackish, pale at base below. Wing 4.40 ; tail 3.40 ; bill and tarsus 0.75 ; middle toe and 

 claw rather more. Central Am. and Mexico to Ari^^ona, where common, and breeding in 

 southern parts of the territcjry. 



118. MIL'VULUS. (Lat. milvulus, diminutive of milvuf!, a kite.) Swallow-tailed Fly- 

 catchers. Tail in the adult deeply forflcate, about twice as bmg as the wing. Outer primary 

 or primaries abruptly attenuate, and other characters as in Tyrannus proper (beyond). A 

 yellow or flaming crown-spot. 



Analysis nf Species. 



Three or four primaries emarginate. Crown-spot yellow, in black cap . tvrnnnus Tfi 



One prim.ary emarginate. Crown-spot flaming, in ashy cap '.'.'.''' f„,-ficatu.s %7 



36G. M. tyran'nus. (Lat. tyrannm, a tyrant.) Fork-tailed Flycatcher ^9 ulult ■ 

 Outer .3 or 4 primaries emarginate. Crown-patch yellow. Above, clear ash ; below', white ■ 

 top and sides of head black ; tail black, the outer feather white on outer web for about half its 

 length ; wmgs dusky, unmarked. Sexes ahke. Young similar, but primaries not emarginate 

 nor tail lengthened ; no crow-spot ; wing- and tail-coverts edged .^dth brown. Wing 4 50 ■ 

 tail up to a foot long, forked 6-8 inches. A beautiful bird of tropical Am., accidental in the 

 U. !5. (Louisiana, Kentucky, New Jersey!) 



367. M. forfica'tus. (Lat. forjicatus, forked like forfex, a pair of scissors. Fig. 282.) SwAl- 

 LOW-TAILED Flycatcher. Scissor-tail. ^?, adult: First primary alone emargi- 

 nate (flg. 279, a). Crown patch orange or searlet. General color hoary-ash, paler or white 

 below; sides at insertion of wings scarlet or bloody-red, and other parts of the body variously 

 tinged with the same, or a paler salmon-red. Wings blackish, with whitish edgi^igs Tail 

 black but several of the long feathers extensively white or rosy ; these are narrow and linear 

 sometimes widenmg somewhat in spoon-shape. Wing 4.50-5.00; extent of win^s 14 5o' 

 15.50 ; tail up to a foot long, usually 8.00-10.00 inches, forked 5.00-6.00. ? avenging 



