GRAY-BELLIED BECARD 



the female of this species the sides of the head 

 are chestnut brown. 



Seen on Barro Colorado Island in trees near 

 Gatun Lake April 4, 1924; April 2, 1926. 



3. Pachyrhamphus polychropterus cinerei- 



ventris (Sclater) 

 Gray-bellied Becard 



Male. Length 134 mm. (5.25 in.) ; tail 54 mm. 

 (2.15 in.). Black above, the rump gray, the 

 feathers of top of head and nape, tipped with 

 glossy steel blue; wings black with two con- 

 spicuous white bands, the scapulars so margined 

 with white as to form two white stripes along 

 back; tail black tipped with white; sides of 

 head and neck and under parts, lead gray, paler 

 on abdomen and under tail coverts. Bill blue- 

 gray tipped with black. 



Female. About same size as male. Above 

 dull grayish olive, the back and rump tinged with 

 cinnamon; wings dusky, variously margined and 

 tipped with yellowish buff and dull whitish; 

 tail brown and olive tipped with tawny buff; 

 under parts light olive and pale yellow, clearer 

 on abdomen; under wing coverts pale yellow. 

 Bill same as in male. 



"Gatun" (Jewel). " They frequent trees along 

 streams, open woodland, and scattered trees in 

 pastures. They are usually seen in small flocks, 

 although single birds or pairs are not infrequently 

 encountered' ' (Carriker) . 

 34i 



