BIRDS OF NORTH AND MIDDLE AMERICA. 125 



96.5; tail, 84.6; exposed culmen, 18.5; deoth of bill at base, 9.1; 

 tarsus, 17.5; middle toe, 14. 



Eastern Nicaragua (Chontales) to central Costa Rica (Angostura; 

 Tucurrique; Pacuare). 



Lank) leucothorax Salvin, Proc. Zool. Soc. Lond., 1864, 581 (Tucurriqui, Cosfa 

 Kica; coll. Salvin and Godman); Ibis, 1872, 317 ^Chontales, Nicaragua). — 

 Cassin, Proc. Ac. Nat. Sci. Phila., 1865, 171 (Angostura, Oosta Eica). — 

 SoLATEE and Salvin, Exotic Orn., pt. iv, 1867, 63, part, pi. 32 (fig. of 

 female). — Lawrence, Ann. Lye. N. Y., ix, 1868, 100 (Tucurrique, Angos- 

 tura, and Pacuare, Costa Rica). — Feantzius, Journ. fiir Orn., 1869, 299 

 (Costa Eica). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1883, 305. — 

 Sclatek, Cat. Birds Brit. Mus., xi, 1886, 203. — Zeledon, Anal. Mus. Nac. 

 Costa Eica, i, 1887, 110 (Costa Eica) . 



[Laniol leucothorax ScIjAt-er and Salvin, Nom. Av. Neotr., 1873, 22, part. 



LANIO MELANOPYGIUS Salvin and Godman. 

 BLACE-BtTMFEI) SHRIEE-TANAGER, 



Similar to Z. leucothorax, but adult male with rump and tail-coverts 

 black, and throat duller white or buffy; adult female with throat and 

 chest grayer and rump darker. 



Achdtmale. — Head and neck (except throat and foreneck), scapulars, 

 wings (except innermost lesser and middle coverts), lower back, i-ump, 

 upper and under tail-coverts, thighs, and tail black; innermost lesser 

 and middle wing-coverts white, the latter with black tips ; interscapular 

 region rich lemon or chrome yellow; throat soiled white or dull buffy 

 white, the lateral anterior portion and the chin black; whitish of 

 throat passing into a more decided (sometimes strongly) buffy hue on 

 chest; under parts of body lemon yellow; under tail-coverts black, more 

 or less margined (the shorter ones at least) with canary yellow; bill 

 black; iris dark brown; ^ tarsi horn brownish (in dried skins), toes 

 darker; length (skins), 178-190 (181); wing, 96.5-102 (99.8); tail, 

 83-93 (89.3); exposed culmen, 18.5-20 (19.1); depth of bill at base, 

 9-10 (9.2); tarsus, 18-20 (19.1); middle toe, 13.6-15 (14).' 



Adult female. — Pileum olive, passing into olive-bx-own or deep raw 

 umber on back, this into tawny -olive on rump, the wings and tail colored 

 much like the back; sides of head similar in color to pileum, but 

 slightly grayer, passing into light hair brown on chin, throat, and 

 chest; breast and sides light yellowish olive or olive-yellow, passing 

 into a more tawnj'-'olive hue on flanks; mediaif portion of breast and 

 abdomen lemon yellow; under tail-coverts cinnamon; bill blackish, 

 the maxilla becoming horn color basally; legs and feet dusky (in dried 

 skin); length (skin), 170-182 (177); wing, 86-94.5 (91.5); tail, 77.5-88 

 (83); exposed culmen, 18-19 (18.8); depth of bill at base, 8.5-9 (8.6); 

 tarsus, 17.6-18 (17.9); middle toe, 12.5-16 (13.9).=" 



' Heyde, manuscript. ' Seven specimens. ' Five specimens. 



