BIITDS OF NOETH AND MIDDLE AMERICA. 135 



Adult male. —Length, (skins), 740-785 (762) ; wing, 393-416 (404.5) ; 

 culmen, 68-75 (71.5); tarsus, 33.5-34.5 (34); outer anterior toe 49.« 



Adult female.— Length (skins), 770-832 (794); wing, 380-412 

 (392.4) ; tail, 393-490 (451.2) ; culmen, 71-72.5 (72.1) ; tarsus, 31.5-37 

 (35.1); outer anterior toe, 44.5-50 (47.4).^ 



Southeastern Nicaragua (Rio Escondido ; Los Sabalos, San Emilio) , 

 eastern Costa Rica (Cariblanco de Sarapiqui; Carrillo; Volcan de 

 Barba; San Carlos; El Zarcero; Guapiles; Guayabo; Bonilla; Tala- 

 manca), Panama (Calovevora, Veragua; Lion Hill, Canal Zone), 

 Colombia (Rio Nercua; Antioquia), and eastern Ecuador (Guayaquil; 

 Balzar Mts.). 



Ps[ittacus]ambiguusBECssTEm, KurzeUeb., iv. Th. 1, 1811, 65 ("South America; " 

 baaed on Le Grand Ara Militaire Levaillant, Hiat. Nat. Perr., i, 15, pi. 6). 



Psittacus ambiguus Kuhl, Conap. Paitt., 1820, 17. — Hahn, Orn. Atlaa, Papag., 

 1834, 25, pi. 9. 



Macrocercus ambiguus Stephens, Shaw'a Gen. Zool., xiv, 1826, 113. 



Ara militaris a. ambiguus Cabanis, Journ. ftir Orn., 1862, 335 (Goata Rica). 



Marcrocercus (Aracanga) ambiguus Bonaparte, Rev. et Mag. de Zool., 1854, 149. — 

 SouANCE, Rev. et Mag. de Zool., 1856, 57. 



Araambigua Salvadori, Cat. Birda Brit. Mas., xx, 1891, 160 (Calovevora, Vera- 

 gua, Panama; Balzar Mta. and Guayaquil, w. Ecuador). — Salvin and God- 

 man, Biol. Centr.-Am., Aves, ii, 1897, 568 (Rio Eacondido, Loa Sabaloa, and 

 San Emilia, Nicaragua; Barba, SanCarloa, Zarcero. and Talamanca, CoataRica; 

 Calovevora and Lion Hill, Panama; Rio Nercua, Colombia; w. Ecuador). — 

 RiDGWAY, Condor, vii, 1905, 155, in text (Bonilla, e. Coata Rica). — Carriker, 

 Ann. Carnegie Mua., vi, 1910, 482 (Cariblanco de Sarapiqui, Carrillo, and 

 Guapilea, Coata Rica; habits; descr. eggs). 



[Ara] ambigua Sharpe, Hand-list, ii, 1900, 13. — Forbes and Robinson, Bull. 

 Liverpool Mua., i, 1897, 10. 



Sittace ambigua Finsch, Die Papag., ii, 1868, 943. 



Macrocercus militaris (not Psittacus militaris Linnseus) Selby, Nat. Libr., Parrots, 

 1836, 86, part, pi. 5.— Burmeister, Syst. Ueb. Th. Bras., ii, 1856, 163, foot- 

 note, part. 



S[ittace] militaris Wagler, Mon. Psitt., 1832, 668, 733, part. 



Sittace militaris Finsch, Die Papag., i, 1867, 396, part. — Lawrence, Ann. Lye. 

 N. Y., ix, 1868, 131 (Volcan de Barba, Costa Rica). — Frantzius, Journ. fiir 

 Orn., 1869, 364 (Coata Rica). 



Ara militaris Gray, Liat Birda Brit. Mua., Paittacidse, 1859, 28, part (apecimen 

 d).— Cassin, Proc. Ac. Nat. Sci. Phila., xii, 1860, 137 (Rio Nercua, n. w. 

 Colombia).— Lawrence, Ann. Lye. N. Y., vii, 1862, 299 (Lion Hill, Pan- 

 ama). — Salvin, Proc. Zool. Soc. Lond., 1870, 213 (Calovevora, Panama); 

 Ibia, 1871, 87, 88, part (Middle American range). — Boucard, Proc. U. S. Nat, 

 Mua., 1878, 46 (San Carlos and Zarcero, Costa Rica). — Sclater and Salvin. 

 Proc. Zool. Soc. Lond., 1879, 538 (Antioquia, Colombia). — Zeledon, Cat. 

 Aves de Costa Rica, 1882, 24; Proc. U. S. Nat. Mua., viii, 1885, 111 (Costa 

 Rica); Anal. Mua. Nac. Costa Rica, i, 1887, 124 (Coata Rica). — Nutting, 

 Proc. U. S. Nat. Mua., vi, 1883, 407 (Loa Sabalos, e. Nicaragua). — Richmond, 

 Proc. U. S. Nat. Mus., xvi, 1893, 519 (Rio Eacondido, e. Nicaragua). 



Arara militaris Schlegel, Mua. Pays-Bas, iii, no. 26 (Paittaci), 1864, 5, part 

 (Ecuador). 



Arara buffoni Brehm, Mon. Papag., 1842, 6, pi. 8 (South America; based on Le 

 grand Ara militaire Levaillant, Hist. Nat. Perr., i, 15, pi. 6). 



« Two specimens. ^ Five specimens. 



