ICTERID.E — THE ORIOLES — XANTIIOCEniALUS. 



267 



Genus XANTHOCEPHALUS, Bonaparte. 



Xaid/ionplialus, Bonaparte, Conspectus, 185(1, 431. (Type, Idenis icterocephalus, Bona- 

 parte.) 



Gk-V. Cii-Vi:. Bill conical, the length about twice the height; the outlines nearly 

 straight. Claws all very long ; much curved ; the iuner lateral the longest, reaching be- 





yond the middle of the middle claw. Tail narrow, nearly even, the outer web scarcely 

 widening to the end. Wings long, much longer than the tail ; the first (juill longest. 



Tliere i.s a .species in Soutli America so closely resembling ours that tliey 

 were at first cousidered identical. 



Xanthocephalus icterocephalas, Bonaparte. 



THE YELLOW-HEADED BLACKBIED. 



Icterns ictei-ocep/ialiis, Bonaparte, Am. Orn. I. 1825, 27 ; pi. iii. 



Icterus xiiiit/iurr-jjiulus, AuDunoN, Orn. Biog. V. IS-ig, G; pi. .388. — Af/e!iiiii:i xunllinrqihiihis, 



SwAiNSON, F. B. Ara. II. 1831, 281. — Audubon, Birds Amor. IV. 1842, 24 ; jil. 213. 



— Newuerry, Zool. Cal. & Or. Route; Rep. P. R. R. Surv. VI. iv. 8C. — IIeekmann, 



X. vi. 52. — Coues, Pr. A. N. Sc. 1866, 91. 

 Xanthocephalus icttrocephuhis, Baird, P. R. Rep. IX. Birds, 531 ; X. iii. 13. 



Sp. Cii.\r. First three quills nearly equal, the first longest and decidedly longer than 

 the thii'd. Tail rounded, or slightly graduated. General color black, including the inner 



