BIRDS OF NORTH AND MIDDLE AMERICA. 181 



Caciais monlezuma Lesson, Cent. Zool., 1830, 33, pi. 7 ( IMexico) .— Gervais, 

 Atlas Zool., 1844, pi. 33. 



Cacicus montezumiv Sclater, Proc. Zool. Sec. Lond., 1856, 300 (Cordova, Vera 

 Cruz); 1858, 358 (Comayagua, Honduras), 365 (Jalapa, Vera Cruz).— 

 Sclater and Salvin, Ibis, 1859, 19 (Atlantic coast, Guatemala, and Hon- 

 duras) .—Mooee, Proc. Zool. Soc. Lond., 1859, 57 (Omoa, Honduras).— Tay- 

 lor, Ibis, I860, 111 (Taulevi, Honduras). 



Caasicus montezuma: CASsiif, Proc. Ac. Nat. Sci. Phila., 1867, 71 (monogr.). 



Ostinops montezumx Sclateh, Proc. Zool. Soc. Lond., 1859, 380 (Playa Vicente, 

 Oaxaca); Cat. Am. Birds, 1862, 128 (Jalapa); Ibis, 1883, 148 (throughout s. 

 Mexico to Panama).— Cassin, Proc. Ac. Nat. Sci. Phila., 1860, 139, footnote 

 (Mexico; Nicaragua; descr.).— Lawrence, Ann. Lye. N. Y., vii, 1861, 297 

 (Lion Hill, Panama R. R.); ix, 1868, 104 (San Carlos and Angostura, Costa 

 Rica) .—Sclateh and Salvin, Proc. Zool. Soc. Lond., 1864, 353 (Lion Hill); 

 1867, 279 (Blewflelds R., Nicaragua); 1870, 886 (San Pedro, Honduras).— 

 Salvin, Ibis, 1865, 195 (not on Pacific coast of Guatemala). — Frantzius, 

 Journ. fiir Orn., 1869, 302 (San Carlos, Angostura, Serapiqui, Tucurriqui, San 

 Mateo, Aguacate, and Orosi, Costa Rica). — Boucakd, Proc. Zool. Soc. Lond., 

 1878, 58 (San Carlos and Naranjo, Costa Rica; descr. nest, etc.). — Zeledon, 

 Cat. Aves de Costa Rica, 1882, 9.— Nutting, Proc. U. S. Nat. Mus., vi, 1884, 

 383 (Sucuyd, Nicaragua; habits, etc.), 401 (Los Sdbalos, Nicaragua). 



Ostinops montezumae Boucard, Liste Ois. Guat., 1878, 35. 



Ostinops montezuma SvaicnuAST, Mem. Bost. Soc. N. H., i, 1869, 553 (hot region. 

 Vera Cruz). — Fereari-Perez, Proc. U. S. Nat. Mus., ix, 1886, 149 (Actopam, 

 Barra de Santa Ana, and Paso de la Milpa, Vera Cruz) . 



[Ostinops} rnontezumx Sclater and Salvin, Nom. Av. Neotr., 1873, 35. 



Gymnostinops montezumx ScLATSR, Cat. Birds Brit. Mus., xi, 1886, 313. — Salvin 

 andGoDMAN, Biol. Centr.-Am., Aves, i, 1886, 437. — Zeledon, An. Mus. Nac. 

 Costa Rica, i, 1887, 112 (Jimenez and Cartago, Costa Rica) . — Goss, Auk, v, 

 1888, 27 (breeding habits; descr. nest and eggs). — Ridgway, Proc. U. S. Nat. 

 Mus., X, 1888, 588 (Segovia R., Honduras).- Richmond, Proc. D". S. Nat Mus., 

 xvi, 1893, 494 (Nicaragua; habits, song, etc.); xviii, 1896, 630 (Alta Mira, 

 Tamaulipas). 



Classicus} bifasdaius {not ot Spix) Bonaparte, Consp. Av., i, 1850, 427, part 

 (Mexico) . 



0[stinops'] bifasdata Caeanis, Mus. Hein., i, 1851, 187, excl. syn. part (Mexico). 



GYMNOSTINOPS CASSINI Richmond. 

 CASSIN'S OROPENDOLA. 



Similar to G. m.mitezuma, but bill longer, much deeper and broader 

 at base, more attenuated terminallj', with light-colored tip occupying 

 less than terminal third, and with the basal portion of the frontal 

 "casque" light-colored; under parts (except under tail-coverts), 

 including thighs, deep black; chestnut of upper parts and under tail- 

 coverts darker (rich deep bay). Much larger than G. guatimozinus, 

 with the entire back, scapulars, wings (except terminal portion of 

 longer primaries), rump, and tail-coverts (upper and lower) entirely 

 deep chestnut or bay; black of head, neck, and under parts less intense; 

 basal portion of frontal "casque" light-colored, and naked skin of 

 cheeks light-colored instead of dusky. Bill black, with about 25.4 



