728 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



portions (yellowish green in life);'* iris lemon yellow; « toes and 

 naked portion of tarsi flesh color (in life).'=' 



Adult maZe.— Length (skuis), 240-247 (243); wing, 177-187.5 

 (183.1); tail, 97-99 (98.8); culmen, from cere, 13-14 (13.5).^ 



Adult female.— Length, (skins), 230-268 (249.3); wing, 177.8-190.5 

 (183); tail, 92.7-106 (98.3); culmen, from cere, 12.5-16 (14.4).'= 



Costa Eica (Volcan de Irazu; Volcan de Turrialba; Azah^r de 

 Cartago; La Estrella de Cartago; La Estrella de Moj6n; San Pedro 

 deMojon; El Zarcero de Alajuela; La Carpiiitera; Santa Ana; Cer- 

 vantes; San Jose;' Escazu; Carrillo), and Panama (Calobre, Veragua; 

 Mt. Pirri, Darien) ; Colombia ? 



Bxibo nudipes Vieillot, Ois. Am. Sept., i, 1807, 53, pi. 22 ("Greater Antilles;" 

 coll. Vieillot). 



Scops nudipes Cuviek, Rfegne Anim., ed. 2, i, 1829, 347.— Sclater, Proc. Zool. 

 See. Lond., 1858, 133.— Lawrence, Ann. Lye. N. Y., ix, 1868, 132 (Costa 

 Rica). — Frantzius, Journ. fur Orn., 1869, 367 (Costa Rica). — Salvin, Proc. 

 Zool. Soc. Lond., 1870, 216 (Calobre, Veragua, Panama).— Sharps, Cat. Birds 

 Brit. Mus., ii, 1875, 121.— Ridgway, Proc. U. S. Nat. Mus., i, 1878, 89 

 (monogr.). — Salvin and Godman, Biol. Centr.-Am., Aves, iii, 1897, 25 (La 

 Carpintera, Cervantes, El Zarcero de Alajuela, Volcan de Irazu, Santa Ana 

 and San Jose, Costa Rica; Calobre, Panama; Colombia). 



S[cops] midipes Sclater, Proc. Zool. Soc. Lond., 1868, 57. 



[Scops] nudipes Sclater and Salvin, Nom. Av. Neotr., 1873, 117. 



E[phialtes] nudipes Gray, Gen. Birds, i, 1844, 38. 



Acnemis nudipes Bonaparte, Rev. et Mag. de Zool., 1854, 542. 



Megascops nudipes Zeledon, Proc. U. S. Nat. Mus., viii, 1885, 111 (Costa Rica); 

 Anal. Mus. Nac. Costa Rica, i, 1887, 125 (El Zarcero de Alajuela).— Cherrie, 

 Auk, ix, 1892, 327 (San Jose, Costa Rica).— Hasbrouck, Auk, x, 1893, 251, 

 252 (geog. range). 



Otus nudipes Carriker, Ann. Carnegie Mus., vi, 1910, 476 (Volcan de Turrialba, 

 La Carpintera, La Estrella de Mojon, La Estrella de Cartago, Escazu, and 

 Carrillo, Costa Rica). 



[Psiloscops] nudipes Sharpe, Hand-list, i, 1899, 289. 



Strix psilopoda Vieillot, Nouv. Diet. d'Hist. Nat., vii, 1817, 46 (said to l)e from 

 Santo Domingo and Porto Rico; cites Ois. Am. Sept., pi. 22). 



[5cops] psilopoda Gray, Hand-list, i, 1869, 47, no. 491. 



OTUS FLAMMEOLUS (Kaup). 



FLAMMULATED SCREECH OWL. 



Smallest American species of the genus (wing 128-144 mm.), 

 with very small feet, perfectly naked toes, outermost primary longer 

 than secondaries, short (almost rudimentary) ear-tufts, and brown 

 iris. 



a Jos6 C. Zeledon, on label. 

 6 Four specimens. 



c Five specimens. (Four adult females from Costa Rica have the culmen 12.5-15.2, 

 averaging 14; one from Mt. Pirri, eastern Panama, has the culmen 16 mm.) 



