Carriker: List of the Birds of Costa Rica. 829 



643. Icterus pectoralis espinachi Ridgway. 



Icterus pecloralis (not Psarocolius pectoralis Wagler) Cassin, Proc. Acad. Nat. 

 Sci. Phila., 1867, 48 (Costa Rica). — Lawrence, Ann. Lye. N. Y., IX, 1868, 

 104 (Costa Rica [Hoffmann], "Cabanis")- — Frantzius, Jour, fur Orn., 1869, 

 302 (Costa Rica). — Sclater, Cat. Birds Brit. Mus., XI, 1886, 385, £ar* (no 

 Costa Rican specimens). — Salvin and Godman, Biol. Centr.-Am., Aves, I, 

 1887, 474, part (Costa Rican references). — Underwood, Ibis, 1896, 437 

 (Bagaces). 



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

 Rica). . 



Icterus guttulatus Cabanis, Jour, fiir Orn., 1861, 9, (Costa Rica [Hoffmann]). 



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

 V, 1882, 392 (La Palma de Nicoya, Sept. 5, 1882 [Nutting]; coll. U. S. Nat. 

 Mus.). — Nutting, Proc. U. S. Nat. Mus., V, 1882, 392 (La Palma de Nicoya; 

 song). — Zeledon, An. Mus. Nac. de C. R., I, 1887, 112 (Liberia). 



Bangs Collection: Bolson, Tenorio, and Bebedero (Underwood). 

 Carnegie Museum: Bebedero (Carriker). Six skins. 



This handsome species is confined to the northwestern part of Costa 

 Rica, and thus far has been taken only in the peninsula of Nicoya and to 

 the northward, throughout the plains of Guanacaste. It is usually found 

 in the swampy pastures, having habits similar to /. prosthemelas and /. me- 

 somelas salvini, frequenting the clumps of trees dotted about in the pas- 

 tures. 



644. Icterus spurius (Linnaeus). 



[Oriolus] spurius Linnaeus, Syst. Nat., ed. 12, I, 1766, 162 (based on Icterus 

 minor Catesby, Carolina, I, 49; Icterus minor spurius Brisson). 



Icterus spurius Temminck, Cat. Syst., 1807, 47. — Sclater, Cat. Birds Brit. 

 Mus., XI, 1886, 366 (Irazu district [Rogers]). — Zeledon, An. Mus. Nac. de 

 C. R., I, 1887, 112 (Alajuela and Cartago). — Salvin and Godman, Biol. 

 Centr.-Am., Aves, I, 1887, 464 (Costa Rican references). — Cherrie, Auk, VII, 

 1890, 334 (San Jose, July 31 to March 2); IX, 1892, 250 (San Jose; birds 

 in young plumage predominate); Expl. Zool. en C. R., 1891-2, 1893, 30 

 (Buenos Aires, three specimens). — Ridgway, Birds N. and Mid. Amer., II, 

 1902, 275 (breeding over the whole of the eastern half of the U. S., south in 

 winter over the whole of Mexico and Central America to Colombia). — Bangs, 

 Auk, XXIV, 1907, 308 (El Pozo de Terraba, Aug. 10, one cf [Underwood]). 



Xanthornus spurius Cabanis, Jour, fiir Orn., 1861, 8 (Costa Rica [Frantzius]). — 

 Lawrence, Ann. Lye. N. Y., IX, 1868, 104 (San Jose [Frantzius and Car- 

 miol]). — Frantzius, Jour, fiir Orn., 1869, 303 (Costa Rica, seldom seen). 



U. S. Nat. Museum: Pigres, March 4-8, 1905, 2 d 1 - 9 (Ridgway and 



Zeledon). 

 Bangs Collection: San Jose, Sept. 27, Oct. 7 and 14; El Pozo de Terraba, 



Aug. 10 (Underwood). 



