284 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



ICTERUS PECTORALIS ESPINACHI Ridgway. 

 ESFINAGE'S ORIOLE, 



Similar to I. p. pectoralis, but decidedly smaller (except feet). 

 Ackdt male.— h&ngih (skins), 205.7-213.4 (210.8); wing, 96.8-101.1 

 (99.1); tail, 89.4-97 (94.2); culmen, from base, 21.6-23.4 (22.1); depth 

 of bill at base, 9.1-10.2 (9.7); tarsus, 27.4r-27.9 (27.4); middle toe, 

 19.3-19.5 (18.3).^ 

 Adult female.— yfing, 91.4; tarsus, 27.9; middle toe, 17.3.' 

 Nicaragua (Chontales?; Managua; San Juan) and western Costa Eica 

 (La Palma, Gulf of Nicoya; Liberia). 



Icterus pectoralis (not Psarocolius pectoralis Wagler) Sclater, Cat. Am. Birds, 1862, 

 134, part (Nicaragua) ; (?) Ibis, 1873, 373 (Chontales, Nicaragua); Ibis, 1883, 

 372, part (monogr.); (?) Cat. Birds Brit. Mus., xi, 1886, 385, part (Chon- 

 tales). — Cassin, Proc. Ac. Nat. Sci. Phila., 1867, 48, part (Nicaragua; Costa 

 Eica). — Lawrence, Ann. Lye. N. Y., ix, 1868, 104 (Costa Rica). — Fkantztos, 

 Journ. fiir Orn.,'1869, 302 (Costa Rica). — Zeledon, Cat. Aves de Costa 

 Rica, 1882, 9. — Salvin and Oodman, Biol. Centr.-Am., Aves, i, 1887, 474, 

 part (Chontales and San Juan, Nicaragua; La Palma, w. Costa Eica).— 

 Undi'.rwood, Ibis, 1896, 437 (Volcan de Miravalles, Costa Rica). 

 [Icterusl pectoralis Sclater and Salvin, Nom. Av. Neotr., 1873, 36, part (Costa 



Rica) . »> 



Icterus gullulatua (not of Lafresnaye) Cabanis, Journ. fiir Orn. , 1861, 9 (Costa Rica). 

 Icterus pectoralis espinachi "Nutting (MS.) " Ridgway, Proc. U. S. Nat. Mus., v, 

 sig. 25, Sept. 5, 1882, 392 (La Palma, Gulf of Nicoya, Costa Rica; coll. U. S. 

 Nat. Mus. 1.— Nutting, Proc. U. S. Nat. Mus., v, 1882, 392 (song).— Zeledon, 

 An. Mus. Nac. Costa Rica, i, 1887, 112 (Liberia, Costa Eica). 

 Icterus espinachi Zeledon, Cat. Aves de Costa Rica, 1882, 9. 



ICTERUS GULARIS GULARIS (Wagler). 

 LICHTENSTEIN'S ORIOLE. 



Adults {sexes alike). — Lores, anterior portion of malar region, chin, 

 throat, and median portion of upper chest uniform black; rest of head 

 and neck, under parts (except throat, etc.), whole rump, and upper 

 tail-coverts rich cadmium yellow, most intense on head, neck, and 

 chest; lesser and middle wing-coverts paler cadmium yellow; back, 

 scapulars, wings (except lesser and middle coverts), and tail (except 

 concealed base) black; innermost greater wing-coverts edged with 

 white, the outer webs of the rest broadly tipped with white; second- 

 aries edged with white (most broadly on middle quills); second to fifth 

 or sixth primaries with basal portion of outer webs more or less 

 extensively white, the terminal portion of all the primai-ies (except 

 first) narrowly edged with white; basal portion of tail light yellow, 

 (abruptly) with white shafts; bill black with lower basal portion of 

 mandible grayish (pale grayish blue in life); iris brown; legs and feet 

 grayish dusky or grayish horn color (bluish gray in life). 



Immature {second yea/rf). — Head, neck, and under parts as in adults, 

 but the latter rather paler, or less orange, yellow; back and scapulars 



' Four specimens. ? One specimen. 



