BIRDS OB" NOHTH AND MIDDLE AMERICA. 303 



[Iclerus j:nnihvrnus.'] Var. a. dnbasii Dubois, Bull. Ac. Roy. Belg., ser. 2, xl, 

 Dec, 1875, 16 (Isthmus of Panama; coll. Brussels Mus.). 



Icterus dubud Sclatbe, Cat. Birds Brit. Mus., xi, 1886, 381 (Panama?). 



\_Icterus xanthomus.} Var. y3. marginalis Dubois, Bull. Ac. Roy. Belg., ser. 2, xl, 

 Dec, 1875, 17 (Isthmus ot Panama; coll. Brussels Mus.) . 



ICTERUS XANTHORNUS CURASOENSIS (Ridgway). 

 UlTRAgAO ORIOLE. 



Similar to I. x. xanthornus, but with much longer bill; young much 

 paler than that of I. x. xanthornus. 



Adult male.— Liength (skins), 188-193 (190.5); wing, 90.2-92.5 (91.2); 

 tail, 84.6-85.6 (85.1); culmen, from base; 25.9-27.9 (26.9); depth of 

 bill at base, 10.2-10.7 (10.4); tarsus, 25.1-25.9 (25.4); middle toe, 

 18-19.8 (18.8).^ 



Islands of Curasao, Bonaire, and Aruba, southern Caribbean Sea. 



Icterus curasoensis Ridgway, Proc TJ. S. Nat. Mus., vii, no. 11, July 29, 1884, 



174 (Curasao Island; coll. U. S. Nat. Mus.). — Sclatek, Cat. Birds Brit. Mus., 



xi, 1886, 381. 

 Icterus xanthornus curasoensis Robinson, Flying Trip to Tropics, 1895, 142 (in 



text), 165, colored plate (facing p. 142). 

 Icterus xanthornus cura^oerms Bbrlepsch, Journ. fi'ir Orn., 1892, 82 (Curasao; 



crit.) .— Hartert, Ibis, July, 1893, 295 (Aruba; crit. ; descr. nest and eggs, 



song, etc.), 317 (Curasao), 328 (Bonaire). 

 Icterus curcu:oenm Peters, Journ. fiir Orn., 1892, 114 (Curasao). 



ICTERUS LEUCOPTERYX (\Wagler). 

 JAKAICAN ORIOLE. 



Adults {sexes alike). — Pileum, hindneck, back, scapulars, rump, and 

 upper tail-coverts plain yellowish olive-green, becoming more decidedly 

 yellowish posteriorly; lesser wing-coverts light yellowish olive-green 

 or olive-yellow; middle and greater coverts white, forming a large and 

 very conspicuous patch on the wing; rest of wing black, the tertials 

 broadly edged with white; lores,'' anterior half of suborbital and malar 

 regions, chin, throat, and median portions of upper chest uniform black; 

 rest of under parts Indian yellow, clearer or purer (rich lemon or chrome) 

 yellow on abdomen and under tail-coverts, more tinged with olive later- 

 ally and anteriorly; sides of head (posterior to black "mask") similar 

 in color to breast, etc. ; bill black, with basal portion of mandible bluish 

 gray (pale grayish blue in life?); legs and feet grayish dusky (grayish 

 blue in life?). 



Immature (secwicZ year .^).— Similar to adults, but tail yellowish olive- 

 green; wings grayish dusky with narrow grayish white or pale gray 

 edgings (broader on tertials), the white patch on middle and greater 

 coverts more broken, less conspicuous. 



^Two specimens. 



^ Sometimes anterior portion of forehead also. 



