I 



17. BASILEUTEKUS. 387 



Basileuterus bivittatus (>iec D'Orb.), Sn/vin, Ibis, 1870, p. 108 j id. 

 P. Z. S. 1870, p. 183; Salv. ^ Godm. Biol. Centr.-Amer., Aves, i. 

 p. 170 (1881). 



Adult (Cordillera del Chucu, Veragua ; Arce). General colour 

 above dark olive-green, rather browner on the rump and upper tail- 

 coverts ; lesser wing- coverts like the back ; median and greater 

 coverts dusky, edged with dull olive, rather lighter at the ends of 

 the greater series ; bastard-wing and primary-coverts dusky, fringed 

 with olive ; quills dusky blackish, edged with brownish olive, the 

 primaries margined with dull olive-greenish ; tail-feathers dusky 

 brown, margined with olive-brown ; centre of crown pale orange- 

 rufous, washed with ashy olive, and bordered on each side with a 

 broad band of black from the base of the bUl to the sides of the 

 neck, enclosing the occiput, nape, and hind neck, which are ashy 

 olive; a tolerablj' distinct eyebrow ashy olive or pale brownish, 

 rather whiter above the lores ; the latter as well as the ear-coverts 

 black, extending below the eye ; eyelid and feathers below the eye 

 dull whitish ; cheeks, throat, and breast pale yeUow, or whitish 

 washed with yellow, the abdomen brighter yellow, and the under 

 tail-coveits again paler yellow ; a shade of olive-green over the chest ; 

 sides of body and thighs olive-greenish ; axillaries and under wing- 

 coverts pale olive-yellow, with dull ashy bases ; quills dusky below, 

 ashy whitish along the edge of the inner web. Total length -i'-i: 

 inches, cidmen 0-45, wing 2-'Sd, tail 2, tarsus 0-8. 



Hub. Central America : Costa Rica to Veragua. 



a. Ad. sk. Costa Rica (Van Patten). Salvin-Godman Coll. 



b. Ad. sk. Cordillera del Chucu, Veragua Salvui-Godmau Coll. 



{E. Arce). 



11. Basileuterus meridanus. 



Basileuterus bivittatus {nee JJ'Orb.), Scl. S,- Salv. P. Z. S. 1870, p. 780. 



Adult male (Merida, Jrdy 1S69 ; Goering). General colour above 

 olive-green, a little duUer on the mantle and back ; lesser wing- 

 coverts like the back ; median and greater coverts, bastard-wing, 

 primary-coverts, and quills dusky brown, edged externally with 

 olive-green, rather brighter on the edge of the greater coverts and 

 primaries ; tail-feathers dusky brown, washed externally with olive- 

 green : crown of head pale ochre-yellow, entii-ely overshaded with 

 ashy olive ; a broad black band on each side of the crown from the 

 base of the bill to the hind neck, enclosing the occiput, nape, and 

 hind neck, all of which are ashy olive ; a broad eyebrow of ashy, 

 with a slight ochreous tinge above the ear-coverts, and whiter above 

 the lores ; sides of face and ear-coverts ashy with a slight ochreous 

 tinge, and a black line running along the upper edge of the ear- 

 covcrts ; cheeks and under surface of body pale yellow, rather whiter 

 on the throat, the chest somewhat shaded with brown : tlanks and 

 sides of body olive-brownish ; under wing-coverts and axillaries pale 

 yeUow, with duskv oHve bases ; quills dusky below, asbv white along 



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