188 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Adult male. — Above plain olive-green (deeper and browner than in 

 V. noveboracensis)', wings and tail dusky with 3'ellowish olive-green 

 or olive-yellow edgings; middle and greater wing-coverts broadly 

 tipped with sulphur-yellow, producing two conspicuous bands across 

 wing, and tertials broadly edged w^ith the same; broad supraloral stripe 

 deep gamboge or saffron yellow; orbital ring paler yellow, interrupted 

 at anterior angle of eye by a dusky grayish loral streak; sides of head, 

 otherwise, and sides of neck light brownish olive-green; chin, throat, 

 and chest mixed pale grayish and pale buffy yellow, deepening on 

 breast, sides, and flanks into dull canary 3^ellow washed or shaded with 

 olive; abdomen and under tail-coverts primrose yellow; axillars and 

 under wing-coverts deeper primrose yellow, or intermediate between 

 sulphur and straw yellow; inner webs of remiges broadly edged with 

 yellowish white, those of rectrices edged with pale yellow; maxilla 

 grayish black with paler tomia, mandible grayish (bluish gray in life); 

 legs and feet dusky horn color (grayish blue in life?); length (skin), 

 110; wing, 57; tail, 43.5; exposed culmen, 9.5; tarsus, 18.5; middle 

 toe, 10.5.« 



Eastern Mexico, in State of Vera Cruz (Papantla). 



Vireo perquisitor Nelson, Auk, xvii, July, 1900, 267 (Papantla, Vera Cruz; coll. 

 U. S. Nat. Mus.). 



VIREO GUNDLACHII Lembeye. 

 GTTNDIACH'S VIREO. 



Adults {sexes alike). — Above plain deep olive-gray; wings and tail 

 dusky brownish gray with light olive-gray edgings, the middle and 

 greater wing-coverts narrowly tipped with pale olive-gray or olive- 

 whitish, forming two indistinct narrow bands across wing, of which 

 the anterior one is sometimes obsolete; supraloral patch and orbital 

 ring pale straw or primrose yellow, the latter interrupted on both eye- 

 lids by a dusky grayish space; auricular region 3'ellowish olive-gray or 

 pale yellowish gray, the suborbital and malar regions similar but paler; 

 under parts pale straw or primrose j^ellow, passing into light grayish 

 olive on sides and flanks; axillars pale primrose yellow; under wing- 

 coverts white tinged with primrose yellow; inner webs of remiges 

 edged with white; maxilla horn brownish, mandible paler; legs and 

 feet gra3ash dusk}^ (grayish blue or bluish gray in life). 



Adult male.— Ijength (skins), 124-129 (126.5); wing, 54-58 (56.6); 

 tail, 49-53 (51.6); exposed culmen, 12-13 (12.2); tarsus, 21; middle 

 toe, 12. * 



Adult feynale.—Iuength (skins), 110-126 (118.2); wing, 54-57 (55.3); 



« Measurements of the type specimen (so far unique). 

 *^Six specimens. ^ 



