BIRDS OF NORTH AND MIDDLE AMERICA. 



457 



Southern Mexico, in States of Oaxaca and Tabasco (Teapa), through 

 Central America (both sides) to Panama Railroad. 



Arremon aurantiirosiris Lafresnaye, Rev. Zool.,1847, 72 (Panama). — -Des Murs, 

 Icon. Orn., pi. 55. — Sclater, Proc. Zool. Soc. Lond., 1856, 83 (Isthmus of 

 Panama); 1859,377 (Playa Vincente, Oaxaca; crit.) ; Synop. Av. Tanagr., 

 1856, 21 (monogr.); Cat. Am. Birds, 1862, 93 (Choctum, Guatemala); Cat. 

 Birds Brit. Mua., xi, 1886, 275 (Choctum and Chisec, Guatemala; Belize, 

 Brit. Honduras; Chontales, Nicaragua; San Mateo and Tucurrique, Costa 

 Rica; Santa F6 and Bugaba, Veragua; Panama). — Salvix and Sclater, Ibis, 

 1860, 32 (Coban, Guatemala) .—Lawrence, Ann. Lye. N. Y.,vii, 1862,298 

 (Lion Hill, Panama R. R. ); viii, 1865, 180 (Greytown, ISTicaragua) ; ix, 

 1868, 102 (San Mateo, Dota, and Guiatil, Costa Rica). — Sclater and Salvin, 

 Proc. Zool. Soc. Lond., 1864, 351 (Lion Hill).— Salvix, Proc. Zool. Soc. 

 Lond., 1867, 140 (Santa F^, Veragua) ; 1870, 188 (Bugaba, Mina de Chorcha, 

 and Cordillera del Chucu, Veragua) ; Ibis, 1872, 317 (Chontales, Nicaragua). — 

 Frantzius, Journ. fiir Orn., 1869, 300 (Costa Rica). — Boucaed, Proc. Zool. 

 Soc. Lond., 1878, 56 (San Carlos, Costa Rica); Liste Ois. Rec. Guat., 1878, 

 33 (Guatemala).— Nutting, Proc. U.S. Nat. Mus., vi, 1883, 400 (Los Sdb- 

 alos, Nicaragua). — Salvin and Godman, Biol. Centr.-Am., Aves, i, 1886, 

 324. — Zeledon, Cat. Aves de Costa Rica, 1882, 8; An. JNIus. Nac. Costa Rica, 

 i, 1887, 111 (Trojas de Puntarenas, Jimenez, Pacuare, and Pozo Azul de 

 Pirris, Costa Rica). — Ridgway, Proc. U.S.Nat. Mus., x, 1888, 586 (Segovia 

 R., Honduras) .— Chereie, Proc. U.S. Nat. Mus., xiv, 1891, 343 (crit.); Expl. 

 Zool. Val. Rio Naranjo, 1893, 14 (crit.); Expl. Zool. Costa Rica, 1893, 27 

 (Lagarto, Boruca, Terraba, and Buenos Aires, s. Costa Rica).— Richmond, 

 Proc. U. S. Nat. Mus., xvi, 1893, 490 (Rio Frio, Costa Rica, and Rio Escon- 

 dido, Nicaragua; habits; descr. nest and eggs) . 



A.\rremon] awrantiirostris Gray, Gen. Birds, App., 1849, 16. — Bonaparte, Consp. 

 Av., i, 1850, 488 (Colombia). 



\_Arremon] auraniiiTOStm Sclater and Salvin, Nom. Av. Neotr.,1873, 25. 



Arremon rufidorsalis Cassin, Proc. Ac. Nat. Sci. Phila., 1865, 170 (Turrialba, 

 Costa Rica; U. S. Nat. Mus.).— Lawrence, Ann. Lye. N. Y.,ix, 1868, 102. 



Arremon rufodorsalis Salvin, Ibis, 1874, 308 (crit. ; identitied as A. auranliirostris) . 



Arremon aurantiirosiris saluratus Chereie, Proc. U. S. Nat. Mus., xiv, no. 855, Sept. 

 4, 1891, 345, in text (Choctum, Vera Paz, Guatemala; U. S. Nat. Mus.). 



Genus LYSURUS Ridg^Aray. 



is/mrus RiDGW AY, Auk, xv, July (pub. May 13), 1898, 225. (Type, Buarremon 

 crasdrostris Cassin. ) 



Similar to Arremon Vieillot but nostril broader, more rounded, with 

 superior operculum much less developed; wing much more rounded 

 (ninth primary ver_y much shorter than secondaries, the eighth about 

 equal to secondaries or but little longer); tail more rounded, almost 

 graduated, with the rectrices very broad, though pointed at the tips, 

 their webs semi-decomposed terminally; middle toe relatively longer, 

 the lateral claws falling much short of base of middle claw. 



Coloration. — Pileum chestnut; rest of upper parts olive-green; 

 under parts, except chin and throat, olive-green, the abdomen yellow 

 in L. crassirostris. 



