462 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Young. — Upper parts as in adults, but median crown-stripe much 

 smaller and more interrupted (extending anteriorl}^ only to middle of 

 crown) and dull brownish white; back more or less clouded with 

 dusky; yellow of throat paler; median under parts of bod}^ pale yel- 

 low, the lateral portions pale gra^ash brown, the chest, sides, and 

 flanks narrowly streaked with dusky. 



Adult male.— hangih (skins), 165.10-1S0.34 (174. .50); wing, 73.66- 

 81.28 (77.22); tail, 81.28-90.17 (83.82); exposed culmen, 13.97-15.24 

 (14.48); depth of bill at base, 9.40-9.65 (9.52); tarsus, 25.40-28.45 

 (27.43); middle toe, 17.78-19.05 (18.29).^ 



Adult fe)nale.—LQwgt\\{ii\\x\^), 158.75-161.29 (160.02); wing, 67.31- 

 71.12 (69.09); tail, 72.90-73.66 (73.15); exposed culmen, 13.46-14.99 

 (14.22); depth of bill at base, 8.13-8.38 (8.25); tarsus, 26.67-27.43 

 (26.92); middle toe, 17.53.' 



Highlands of Guatemala (Coban, Totonicapam, Volcan de Agua, 

 Volcan de Fuego, etc.) to Colombia. 



Arreuion guituralis Lafresnaye, Rev. ZooL, 1843, 98 (Coloml)ia; type in coll. 

 Boat. Soc. N. H.). 



A.\_rremon] guituralis Gray, Gen. Birds, ii, 1844, 361. 



[Buarremon} gutturaUs Bonaparte, Consp. Av., i, 1850, 484 (Colombia). 



Buarremon gutturaUsiichATER, Proc. ZooL Soc. Lond., 1856, 86 (monogr. ; Bogota, 

 Colombia); Synop. Av. Tanagr., 1856, 24; Cat. Birds Brit. Mus., xi, 1886, 

 259 (Coban, Totonicapam, Volcan de Agua and Volcan de Fnego, Guate- 

 mala; San Jose, Irazvl, and Tucurriqui, Costa Rica; Calovevora, Castillo, 

 and s. slope Volcan de Chiriqui, Veragua; Bogota, and Medellin, prov. Anti- 

 oquia, Colombia). — Salvix, Ibis, 1874, 322 (crit. ).— Sclater and Salvin, 

 Proc. Zool. Soc. Lond., 1879, 504 (Antioquia). — Salvin and Godman, Biol. 

 Centr.-Am., Aves., i, 1884, 320.— Zeledon, An. Mus. Nac. Costa Rica, i, 1887, 

 110 (San Jose, Cartago, and Cervantes de Cartago, Costa Rica). — Cherrie, 

 Proc. U. S. Nat. Mus., xiv, 1891, 532 (crit.); Auk, ix, 1892, 25 (San Jose, 

 Costa Rica; descr. nest, eggs, and young). 



€.[hri/sopoga'] typica Bonaparte, Consp. Av., i, July 15, 1850, 480 ("Califor- 

 nia"; Paris Mus.). 



Chrysopoga typica Baird, in Stansbury'sGt. Salt Lake, 1852, 330 (" California"). 



Buarremon chrysopogon SchATER, Proc. Zool. Soc. Lond., 1856, 86 ("California"; 

 Paris Mus.; ex Atlapetes chrysopogon Bonaparte, manuscript); Synop. Av. 

 Tanagr., 1856, 24; Cat. Am. Birds, 1862, 91 ("S.America"; Guatemala).— 

 Sclater and Salvin, Ibis, 1859, 15 (Guatemala). — Cassin, Proc. Ac. Nat. Sci. 

 Phila., 1865, 170 (Dota Mts., Costa Rica). — Lawrence, Ann. Lye. N. Y., ix, 

 1868, 101 (Dota Mts., San Jose, and Quebrada Honda, Costa Rica). — Frant- 

 zius, Journ. fiir Orn., 1869, 300 (Dota Mts. and San Jose, Costa Rica). — 

 Salvin, Ibis, 1870, 189 (Volcan de Chiriqui and Castillo, Veragua). — Bou- 

 CARD, Proc. Zool. Soc. Lond., 1878, 56 (San Jos^and Cartago, Costa Rica). — 

 Zeledon, Cat. Aves de Costa Rica, 1882, 8. — Nutting, Proc. U. S. Nat. Mus., 

 V, 1882, 495 (Volcan de Irazii, Costa Rica). 



\_Buarremon'] chrysopogon Sclater and Salvin, Nom. Av. Neotr, 1873, 24. 



^ Four specimens. ^ Two specimens. 



