284 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



ICTERUS PECTORALIS ESPINACHI Ridgway. 

 ESPINACH'S ORIOLE. 



Similar to /. p. pect&ralis^ but decidedly smaller (except feet). 



Admit male.— l^ength (skins), 205.7-213.4 (210.8); win^, 95.8-101.1 

 (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, 27.4-27.9 (27.4); middle toe, 

 19.3-19.5 (18.3).' 



Adult female.— y^'mg, 91.4; tarsus, 27.9; middle toe, 17.3." 



Nicaragua ((^hontales ? ; Managua; San Juan) and western Costa Rica 

 (La Palma, Gulf of Nicoya; Liberia). 



Icterus pedoralis {not Psarocolins pedorali a \Yag\er) 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 

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

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

 Rica, 1882, 9. — Salvin and 'Itodman, Biol. Centr.-Ani., Aves, i, 1887, 474,- 

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

 Undprwood, Ibis, 1896, 437 (Volcan de Miravalles, Costa Rica). 



[Ictenis'] pectoralis Sclater and Salvin, Nom. Av. Neotr., 1873, 36, part (Costa 

 Rica) . 



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



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

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

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

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



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



ICTERUS GULARIS GULARIS (Wagler). 

 IICHTENSTEIN'S ORIOLE. 



Adidts {sexes aliJce). — Lores, anterior portion of malar region, chin, 

 throat, and median portion of upper chest uniform 1)lack; 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 

 che.st; lesser and middle wing-coverts paler cadmium j^ellow; 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 broadl}^ on middle quills); second to tifth 

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

 extensively white, the terminal portion of all the primaries (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 grajish blue in life); iris brown; legs and feet 

 grayish dusky or gra3ish horn color (bluish gray in life). 



Immature [second year?). — Head, neck, and under parts as in adults, 

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



* Four specimens. 'One specimen. 



