BIRDS OF NOKTH AND MIDDLE AMERICA. 47 



black; rump bright opalescent green, changing to blue on upper tail- 

 coverts, all the feathers blackish beneath the surface- lesser wing- 

 coverts rich blue (varying from cobalt to light smalt); rest of wings 

 and tall black with blue edgings; under parts of body, and under tail- 

 coverts, plain light cinnamon or cinnamon-ocher, paler next to squa- 

 mately marked feathers of chest; maxilla black, mandible , blackish 

 terminally, horn color basally (in dried skins); legs and feet horn color 

 (in dried skins). 



Young [first plumage).— Re&d, neck, back, and scapulars dull black, 

 broken on sides of neck and on auricular region by pale greenish buffy 

 or buffy greenish tips to the feathers; lesser wing-coverts dull greenish 

 blue; rest of wings and tail dull blackish with greenish blue or bluish 

 green edgings; rump and upper tail-coverts dusky olive, the feathers 

 tipped with pale dull greenish; under parts of body and under tail- 

 coverts plain light cinnamon or cinnamon-ocher, paler on chest, where 

 spotted with dusky. 



Adult male.— Length (skins), 137.2-144.8 (141); wing, 68.6-70.6 

 (69.6); tail (one specimen), 49; exposed culmen (one specimen), 9.1; 

 depth of bill at base, 6.6-5.8; tarsus, 19.8; middle toe, 12.2-12.4.' 



Adult female.— Length, (skins), 129.6-132.1 (131.3); wing, 68.6-70.1 

 (69.3); tail, 46.6-49.3(48); exposed culmen, 9.4; depth of bill "at base, 

 5.1-6.1 (6.6); tarsus, 18.8-19.6 (19.1); middle toe, 11.9-12.2 (12.1).^ 



Costa Rica (San Jose; Rancho Redondo; Turrialba; Navarro; Guad- 

 alupe; Cartago; Irazti; Quebrada Honda) and Veragua (Cordillera 

 del Chucu). 



Calliste dowii Salvin, Proc. Zool. Soc. Lond., 1863, 168 ("San Jos6," i. e., Rancho 

 Redondo de San Jos6, Costa Rica; coll. Salvin-Godman?) ; 1870, 187 (Cor- 

 dillera del Chucu, Veragua); Ann. and Mag. Nat. Hist., 3d ser., xiii, 

 1864, 104.— ScLATER, Ibis, 1863, 451, pi. 12 (San Jos6, Costa Rica).— La w- 

 EBNCE, Ann. Lye. N. Y., ix, 1868, 98 (San Jos6, Turrialba, and Navarro, 

 Costa Rica).— Feantzius, Journ. fiir Orn., 1869, 298 (Guadalupe and San 

 Jos6, Costa Rica). — BonoAED, Proc. Zool. Soc. Lond., 1878, 54 (Navarro, 

 Costa Rica).-^ZELEDON, Anal. Mus. Nac. Costa Rica, i, 1887, 109 (Cartago? 

 and Rancho Redondo de San Jos6) . 



[CaMsteJ dowii Sclatee and Salvin, Nom. Av. Neotr., 1873, 19. 



Calliste dowi Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 272 (Irazu, 

 etc., Costa Rica, etc.).— Sclater, Oat. Birds Brit. Mus., xi, 1886; 124 (Que- 

 brada Honda, etc., Costa Rica, etc.). 



CALOSPIZA LARVATA LARVATA (Du Bus). 

 GOLDEN-MASKED TANAGEK. 



Adult male. — Anterior portion of forehead and malar region, chin, 

 lores, and eyelids black; posterior portion of forehead, suborbital 

 region, and most of malar and auricular regions campanula blue, with 

 a narrow posterior margin of light greenish blue (nile blue); crown, 



^ Two specimens. ^ Three specimens. 



