376 NORTH AMERICAN BIRDS. 



f l . Adult male with breast, etc., intense orange-red, some- 

 times almost scarlet. Hob. Yucatan. 



I. cucullatus igneus RIDGW. Fiery Oriole. 1 



e 2 . Adult male with breast, etc., saffron-yellow, varying to gam- 

 boge (never orange). Nest exceedingly variable in form 

 and composition, but usually pensile or semipensile, and 

 composed of grass-stems (often green) and various plant- 

 fibres. Eggs .89 X -62, averaging with decidedly darker 

 and heavier markings than those of true I. cucullatus. Hob. 

 "Western Mexico, north to Arizona, Lower California, and 

 southern California.. 505#. I. cucullatus nelsoni EIDGW. 



Arizona Hooded Oriole. 



< 2 . Tail shorter than wing (the latter less than 3.25), graduated for much 

 less than length of tarsus ; .adult male chestnut and black. 



Adult male : Head, neck, middle of chest, back, scapulars, wings 

 (except lesser and middle coverts), and tail deep black, the 

 greater wing-coverts, quills, and secondaries edged, more or less 

 distinctly, with pale chestnut or whitish; rest of plumage uni- 

 form rich dark chestnut or bay, deepest on breast. Adult fe- 

 male : Upper parts yellowish olive, much duller and grayer on 

 back and scapulars ; wings grayish dusky, with two white 

 bands, all the feathers with paler brownish gray edgings ; tail 

 yellowish olive, like rump, etc. ; lower parts entirely light olive- 

 yellow. Young male, second year : Similar to adult female, but 

 lores, chin, and throat black. (The chestnut and rest of the 

 black appearing in patches, increasing in extent, during suc- 

 cessive seasons.) Young of year : Similar to adult female, but 

 suffused with brownish, especially on upper parts. Length 

 6.00-7.25, wing 2.90-3.25, tail 2.65-3.20. Nest composed of 

 green wiry grass-stems, interwoven into a firm basket-like 

 structure usually supported between upright twigs near the 

 extremity of a branch (but sometimes partly pendulous), lined 

 with softer materials. Eggs 3-5, .79 X -57, pale bluish, bluish 

 white, or greenish white, speckled and " pen-lined" with brown 

 and black, usually mixed more or less with lilac-gray. Hab. 

 Eastern United States, west to Great Plains ; south, in winter, 

 through Middle America to Panama. 



506. I. spurius (LiNN.). Orchard Oriole. 



a 8 . Depth of bill at base equal to half the length of the exposed culmen. (Sub- 

 genus Yphantes YIEILLOT.) 



ft 1 . Wing usually not more than 3.80, tail not more than 3.15 ; adult male with 

 whole head black, lesser wing-coverts wholly orange or yellow, white 

 of wings confined to tips of greater coverts and narrow edgings of 



l Icterus cucullatus igneus RIDGW., Pr. U. S. Nat. Mus. viii. April 20, 1885, 19. 



