ICTERUS. 375 



parts entirely light yellow, tinged with olive laterally and 

 across chest.) 

 e 1 . Larger (wing 3.85, or more). Adult with tail-coverts entirely 

 black; greater wing- coverts abruptly white at base (this 

 concealed by middle coverts, however) ; length about 8.80- 

 9.50, wing 3.85-4.25, tail 4.00-4.60, culmen .90-1.00, tarsus 

 .90-1.00. Hab. Mexico and Guatemala, north to Mexican 

 side of Eio Grande. 



I. wagleri Sol. Wagler's Oriole. 1 

 e'. Smaller (wing not more than 3.55). Adult with tail-coverts 

 chiefly (sometimes entirely ?) yellow ; greater wing-coverts 

 black to extreme base ; upper part of breast sometimes with 

 more or less of chestnut next to black of chest ; wing 3.25- 

 3.55, tail 3.50-4.00. Hab. Southern Mexico, and south to 

 Costa Eica. 



I. prosthemelas (Strickl.). Strickland's Oriole. 1 

 d 2 . Tail graduated for not more than length of tarsus ; adult males 

 with black of head and neck confined to frontlet, lores, cheeks, 

 malar region, chin, throat, and chest; wing with two white 

 bands. (Adult males : Back, scapulars, wings, and tail black, 

 the wings with white markings ; other portions yellow, orange, 

 or orange-red. Adult females : Above light olive-greenish, 

 more grayish on back ; wings dusky grayish, with lighter 

 brownish gray edgings, the middle and greater coverts tipped 

 with white ; tail yellowish olive ; lower parts entirely yellow, 

 tinged with olive on flanks, etc. Young males, second year: 

 Similar to adult females, but chin, throat, chest, malar region, 

 and lores black more or less continuously, as in adult. Young 

 in first year : Similar to adult female, but colors paler and 

 duller, the plumage generally, especially on upper parts, suf- 

 fused with pale brownish. Length 6.50-8.50, wing 3.30-3.60, 

 tail 3.50-4.20.) 

 &. Adult males with breast, etc., orange or orange-red. 



f\ Adult male with breast, etc., orange or dull orange-red. 

 Nest usually composed of the "Spanish" moss (Tilland- 

 sia), often built inside of hanging tufts or tresses of 

 this parasite. Eggs 3-5, .86 X -58, white, speckled, 

 chiefly on larger end, with hair-brown, usually mixed 

 with a few small black specks or lines. Sab. Southern 

 and eastern Mexico, north to lower Eio Grande Valley 

 in Texas. 



505. I. cucullatus Swains. Hooded Oriole. 



1 Icterus wagleri Set,., P. Z. S. 1857, 1. 



* Xanthornue prosthemelas Strickl., Contr. Orn. 1850, 120, pi. 62. Icterus prosthemelas Scl., P. Z. S. 

 1856, 301. , 



