438 



Key to the Species. 



a. Abdomen never uniform chestnut. 

 a". Throat not black. 



a'". Abdomen yellow like the breast. 

 a*. Chin and throat chestnut-brown. 

 «', Base of forehead chestnut, as well 

 as the fore part of the cheeks. 

 «", Chin and ear-coverts chestnut- 

 brown, extending beyond the line 

 of the eye ; base of forehead 



chestnut ; bill stout galbula S , P- 442. 



//. Entire throat chestnut-brown, 

 descendino' to a point; ear- 

 coverts golden yellow, the chest- 

 nut not extending beyond the 



line of the eye castanops cJ , p. 443. 



6\ Forehead orange-yellow like the 

 head. 

 c^ Sides of face deep chestnut like 

 the throat; back and under- 



parts golden yellow xanthopterus, p. 444, 



rf". Sides of face orange like the head ; 

 back dark olive-yellow ; under 



surface of body orange aurantius (S , p. 444, 



6*. Throat orange or yellow, 

 c'. Bill black, 

 e". Outer tail-feathers for the most 

 part pale yellow on the inner 

 web. 

 cf. Larger ; olive golden above ; 

 rump similar, with scarcely 



any yellow on it suhaureiis ^ , p. 445. 



b''. Smaller; bright golden yellow ; [p. 440. 



rump bright yellow aureiflavKs ^ , 



/"". Outer tail-feathers pale olive- 

 brown, fringed with yellow along 

 the inner webs, 

 e'. With orange on the chin and 

 throat. 

 a'. Forehead or crown yellow; 

 the nape olive-yellow like 

 the back; rump and upper 

 tail-coverts olive-yellow. 

 ii'. Ear-coverts bright yellow 

 hke the head and sides of 



neck xanthops S j P- 447. 



V. Forehead yellow ; rest of 

 crown, ear-coverts, and 

 sides of neck olive-gi'een, 



not j'ellow jaincsoni J, p. 447. 



h^. Crown brilliant orange like 

 the sides of the face and 

 throat ; back golden yellow ; 



