552 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



ing).— Bangs, Auk, xviii, 1901, 363 (Divala, Panama, Nov. 30); Proc. New 

 Engl. Zool. Club, iii, 1902, 39 (Boquete, Panama, Jan.). — Williams, Auk, 

 xxi, 1904, 457 (Leon Co., Florida, Oct.).— Schalow, Vog. der Arktis, 1904, 

 236 (Godthaab, Greenland, 1 spec, summer 1853, 1 Spec, Sept., 1878). 



[Empidonax] flaviventris Coues, Key N. Am. Birds, 1872, 175, part. — Sclater 

 and Salvin, Nom. Av. Neotr., 1873, 52.— Sharpe, Hand-list, iii, 1901, 139. 



E[mpidona.r] flariventris Coues, Key N. Am. Birds, 2d ed., 1884, 442; 5th ed., i, 

 1903, 530.— RiDGWAY, Man. N. Am. Birds, 1887, 341. 



[Empidonax flamiHmtris]\ar. faviventris Baird, Brewer, and Ridgway, Hist. N. 

 Am. Birds, ii, 1874, 364. 



[Empidonax flaviventris] a. flaviventris Coues, Birds Northwest, 1874, 255. 



[Pyrocephalus] flaviventris Gray, Hand-list, i, 1869, 361, no. 5493 (cxcl. syn. (/(/// - 

 cilis Baird). 



[Tyranmila} minnta (not Mnscicapa minuta "Wilson?) Bonaparte, Consp. Av., i, 

 1850, 189. 



Tyrannula pusilla (not Platyrhynchus 2)usillns Swainson) Reinhardt, Vid. Medd. 

 for 1853 (1854), 82 (Godthaab, Greenland); Ibis, 1861, 7 (do.); Journ. fur 

 Om., 1854, 428, 439 (Greenland). 



Tyrannula ? Sclater, Proc. Zool. Soc. Lond., 1856, 296 (Cordova, Vera 



Cruz). 



Empidonax hypoxanthus Baird, Rep. Pacific R. R. Surv., ix, 1858, 198, in syn- 

 onymy of E. flaviventris ("Provisional name for eastern specimens ").a 



EMPIDONAX VIRESCENS (Vieillot). 

 GREEN-CRESTED FLYCATCHER. 



Adults (sexes alil-e). — Above plain gra^dsh olive-green, slightly 

 darker and duller on pileum; tail grayish brown (nearly hair brown), 

 the outer webs of rectrices passing into grayish olive-green on edges; 

 wings darker grayish brown or dusky, the middle and greater coverts 

 broadly tipped with pale buff or olive-buff (forming two conspicuous 

 bands), the secondaries edged (except basally) with the same; a 

 rather broad orbital ring of dull white or yellowish white, narrower 

 but scarcely interrupted on upper eyelid; lores didl whitish, more or 

 less suffused with dusky, especially near anterior angle of eyes; sides 

 of head otherwise and sides of neck similar in color to back, fading 

 gradually below into the dull yellowish wliite of chin and throat; 

 under parts dull yellowish white, passing into primrose or pale sulphur 

 j^ellow posteriorly (whole under parts usually more or less tinged with 

 this color, especially laterally), the chest and sides shaded with pale 

 grayish olive; axillars and under wing-coverts pale sulphur or prim- 

 rose yellow; inner webs of remiges edged with pale grayish bufFy; 

 maxilla deep or dark horn brown, mandible pale brownish buffy 

 (fleshy or lilaceous whitish in life); iris brown; legs and feet horn 

 color (more or less dark). 



Young. — Similar to adults, but feathers of upper parts narrowly 

 tipped with pale buffy ,^ and wmg-bands clear buff or cream-buff. 



« In case Mnscicapa flaviventris Vieillot (Ois. Am. Sept.. i, 1807, 70, from Santo 

 Domingo), unidentified, should prove to be congeneric. 



b Agreeing in this respect with the young of species of Myiochanes and Blacicus, and 

 the only Empidonax thus marked. 



