Carriker: List of the Birds of Costa Rica. 811 



615. Dendroica cerulea (Wilson). 



Sylvia cerulea Wilson, Am. Oin., II, 1810, 141, pi. 17, fig. 5. 



Dendroica coerulea Cherrie, Auk. IX, 1892, 21 (San Jose; four specimens, Aug. 



24 to Oct. 24). 

 Dendrceca ccerulea Salvin and Godman, Biol. Centr.-Am., Aves, I, 1881, 130 



(Irazu [Rogers]). — Sharpe, Cat. Birds Brit. Mus., X, 1885, 327, 651 (no 



C. R. specimens). 

 Dendroica rara Ridgway, Auk, XIV, 1897, 97; Birds N. and Mid. Amer., II, 



1902, 570 (eastern U. S., south in winter to Cuba and Grand Cayman and 



through eastern Mexico, Central America, and western South America (east 



of the Andes) to Peru and Bolivia). 



Carnegie Museum: Carrillo, Sept. 2, 1905, one o" (Carriker). 



This species appears to be very rare in Costa Rica. It has been taken 

 in the Caribbean lowlands as well as in the plateau region. The bulk of 



the birds evidently pass on farther south, not stopping in Costa Rica. 



« 



616. Dendroica virens (Gmelin). 



[Motacilla] virens Gmelin, Syst. Nat., I, pt. ii, 1788, 985 (based on The Black* 

 throated Green Warbler, Muscicapa viridis gutture nigro Edwards, Gleanings 

 Nat. Hist., II, 190, pi. 300, uppet fig.). 



Dendroica virens Baird, Rept. Pacific R. R. Surv., IX, 1858, 267. — Frantzius, 

 Jour, fur Orn., 1869, 293 (Candelaria Mts.). — Ridgway, Proc. U. S. Nat. 

 Mus., V, 1882, 494 (Volcan de Irazu, Feb. 27 to March 6 [Nutting]). — 

 Cherrie, Auk, VII. 1890, 336 (San Jose, November [Alfarol); VIII, 1891, 

 278 (San Jose; three skins in Mus. Nac). — Ridgway, Birds N. and Mid. 

 Amer., II, 1902, 562 (eastern North America, south in winter to West Indies, 

 Mexico, and Central America to Isthmus of Panama). 



Dendrceca virens Lawrence, Ann. Lye. N. Y., IX, 1868, 94 (Grecia and Bar- 

 ranca [F. Carmiol], Rancho Redondo [J. Carmiol]). — Salvin and Godman, 

 Biol. Centr.-Am., Aves, I, 1881, 137 (Costa Rican references). — Sharpe, 

 Cat. Birds Brit. Mus., X, 1885, 647 (Irazu. district [Rogers]). 



Bangs Collection: Volcan de Irazu, Dec. 9 to 18 and Jan. 14; Cerro de 



Santa Maria, Dec. 8 (Underwood). 

 Fleming Collection: San Jose, Oct. 16 (Underwood). 

 Carnegie Museum: Volcan de Irazu, Feb. 25 to April 14; Juan Vinas, 



April 17 (Carriker). Four skins. 



A common migrant throughout the upper portion of the plateau region 

 and the high mountains, ranging nearly up to timber-line on the volcanoes. 



617. Dendroica coronata (Linnaeus). 



[Motacilla] cotonala Linnaeus, Syst. Nat., ed. 12, I, 1766, 333 (based on Golden- 

 crowned Flycatcher, Muscicapa aureo vertice, Edwards, Gleanings Nat. Hist., 

 187, pi. 298, fig. 1). 



