202 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



depth of bill at base, 11.9-13.2 (12.2); tarsus, 29.7-32.0 (30.8); middle 

 toe, 21.1-23.4 (22.6).' 



AdAilt female. — Dull black, the under parts, especially throat, some- 

 times dark sooty brownish; back and scapulars very faintly, the wings, 

 upper tail-coverts, and tail strongly, glossed with bluish green; neck 

 ruflfs much less developed than in the male; length (skins), 165.1-205.7 

 (186.4); wing, 97.5-106.7 (102.9); tail, 64.0-74.7 (73.1); culmen, from 

 base, 19.8-21.3 (20.6); depth of bill at base, 10.4-11.2 (10.9); tarsus, 

 26.2-29.7 (27.9); middle toe, 19.8-21.8 (20.8).' 



You7ig male. — Dull sooty black or dark sooty, the feathers of the 

 under parts of the body with more or less distinct narrow margins of 

 paler; mandible brownish basally. 



Young female. — Paler and grayer than the young male; above sepia 

 or grayish sepia, beneath paler and grayer, with indistinct paler nar- 

 row margins to the feathers. 



Southern Texas (breeding north to San Antonio), through eastern 

 Mexico (States of Tamaulipas, Vera Cruz, Puebla, northern Oaxaca, 

 and Yucatan) and Central America to Veragua (to Isthmus of 

 Panama?). 



Molothrus leneus (not Psarocolius seneua Wagler) Sclatek, Proc. Zool. Soc. Lond., 

 1856, 300 (Cordova, Vera Cruz); 1859, 365 (Jalapa, Vera Cruz); (?) 381 

 (Oaxaca); Cat. Am. Birds, 1862, 135 (Jalapa); Cat. Birds Brit. Mus., xi, 

 1886, 334, part (Orizaba and Jalapa, Vera Cruz; Oaxaca?; n. Yucatan; 

 Chootum and Duefias, Guatemala; Orosf, Costa Eica; Calobre and Chitra, ' 

 Veragua). — Salvin and Sclateh, Ibis, 1860, 34 (Duenas, Guatemala). — 

 Owen, Ibis, 1861, 61 (San Ger6nimo, Guatemala; descr. eggs). — Cabanis, 

 Journ. fiir Orn., 1861, 81 (San Jos6, Costa Rica). — Oassin, Proc. Ac. Nat. 

 Sci. Phila., 1866, 18, part (Jalapa; Yucatan; Nicaragua; Costa Eica; Pan- 

 ama). — Lawrence, Ann. Lye. N. Y., ix, 1868, 104 (San Jos6, Costa Eica).— 

 SuMicHHAST, Mem. Bost. Soc. N. H., i, 1869, 552 (hot and temp, regions, 

 Vera Cruz) . — Salvin, Proc. Zool. Soc. Lond., 1870, 191 (Calobre and Chitra, 

 Veragua); Cat. Strickland Coll., 1882, 265 (Guatemala). — Mebkill, Bull. 



' Fourteen specimens. 

 ^Fourteen specimens. 



Yucatan specimens compare in average measurements with those from other locali- 

 ties as follows: 



