46 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



CALOSPIZA LAVINIA (Cassin). 

 LAVINIA'S TANAOER. 



Ackilt male. — Head, except chin and throat, bright glossy orange- 

 maroon, or madder brown; rest of upper parts mainly bright glossy 

 yellowish grass green, or parrot green, the feathers of the hindneck 

 broadly tipped with saffron yellow, producing a more or less con- 

 spicuous half-collar; wings yellowish grass green,, the middle and 

 greater coverts tinged with rusty, the remiges (except tertials) edged 

 for basal half or more with orange-brown or rufous; under parts, 

 including throat, clear bright yellowish green, the abdomen turquoise 

 blue; chin turquoise blue, or tinged with that color, margined ante- 

 riorly with bi'ownish red; thighs russet; maxilla horn brown, man- 

 dible paler; legs and feet horn color (in dried skins); length (skins), 

 120.7-135.9 (125); wing, 69.9-71.9 (70.6); tail, 45.2-47.2 (45.7); 

 exposed culmen, 9.7-10.7 (10.4); depth of bill at base, 5.6-6.6 (6.1); 

 tarsus, 17.3-18 (17.5); middle toe, 12.4^12.7.' 



Adult female. — Much duller than adult male, and without the 

 brownish red head; above plain glossy yellowish grass green, some- 

 times tinged anteriorly with dull orange, especially on pileum; edges 

 of remiges more or less tinged with yellowish olive basally; under 

 parts light green, changing to light turquoise or nile blue on abdo- 

 men; bill and feet as in adult male; length (skins), 114.3; wing, 

 65.8-66.8 (66.3); tail, 43.2-43.4; exposed culmen, 10.2-10.7 (10.4); 

 depth of bill at base, 5.1-5.3; tarsus, 16.5-17.8; middle toe, 1.04-12.7 

 (11.4).^ 



Nicaragua (Chontales) to Isthmus of Panama (Rio Truando, etc.). 



Calliste lavinia Cassin, Proc. Ac. Nat. Sci., Phila., x, 1858, 178 (Eio Truando, n. 

 Colombia; coll. Acad. Nat.' Sci. Phila.); 1860, 142, pi. 1, fig. 1 (do.).— 

 ScLATEK, Ibis, 1863, 451 (Isth. Panama); 1876, 409 (Chontales, Nicaragua; 

 Costa Rica; Veragua) ; Cat. Birds Brit. Mus., xi, 1886, 116 (do.). — Salvin, 

 Ibis, 1872, 315 (Chontales; crit. ). — Zeledon, Anal. Mus. Nac. Costa Rica, i, 

 1887, 109 (Costa Rica). 



ICalliste] lavinia ScjjAter and Salvin, Nom. Av. Neotr. ,'T.873, 19. 



Calliste lavinix Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 271. 



CALOSPIZA DOWII (Salvin). 

 DOW'S TANAGER. 



Adults (seiBes alike). — Head, neck, and chest black, the feathers of 

 the latter broadly margined with light green (becoming more ochra- 

 ceous posteriorly, especially on sides of chest), producing a conspicu- 

 ously scaled appearance; feathers in center of occiput tipped with 

 russet, forming a small spot; feathers of hindneck, sides of neck, and 

 auricular region tipped with light green (changing to pale bufiy), 

 these markings larger on hindneck; back and scapulars plain greenish 



^ Four specimens. ' Two specimens. 



