672 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



ries with broad bars or bands of dusky, the secondaries with much 

 narrower zigzag bars of the same; bill grayish black; iris brown. 



Advlt male.— Length, (skins), 330-345 (335); wing, 240-244 (241.3); 

 tail, 127-129.5 (128.7); culmen (from cere), 20.5-21.3 (20.8).» 



Advit female.— Length (skias), 350-385 (369); wing, 240-273 

 (255.8); tail, 132.5-150 (139.8); culmen (from cere), 21-23 (22).6 



Guatemala, through Costa Rica (San Jos6; EI Pozo de Tfcraba), 

 Panama (Boquer6n, ChiriquI; Paraiso Station, Canal Zone), Colom- 

 bia (Guaduas; Don Amo; Bogotd), Venezuela (San Antonio, Ber- 

 mudez; Lake of Valencia; Marac&y, Arigua), Guianas, and Brazil to 

 southern Brazil (Novo Friborga, Sao Paulo; Pasage de la Bugre; 

 Faz. Esperanpa), Argentina, Paraguay, and northeastern Peru 

 (Tarapoto). 



Cf'!)[Stnx] aniericana Gmelin, Syst. Nat., i, pt. 1, 1788, 288 (South America; based 

 on Asio americanm Brisson, Om. (ed. 1763), i, 145; Bubo ochro-dnereus 

 pectore maculoso Feuillee, Joum. des Obs., ed. 1725, 59). 



Otas ameHcarus Jakdine, Ann. and Mag. Nat. Hist., x\dii, 1846, 118. — Btjk- 

 MEisTBB, Syst. Ueb. Th. Bras., ii, 1856, 123.— Eulbr, Joum. fiir Om., 1869, 

 248 (Brazil).— ScLATBK and Saivin, Proc. Zool. Soc. Lond., 1869, 634 (Argen- 

 tina) .—Kobniqswald, Joum. fiir Om., 1896, 382 (Sao Paulo, s. Brazil). 



C!1)[Strix] mexlcana Gmelin, Syst. Nat., 1, pt. 1, 1788, 288, no. 15 (Mexico; based 

 on Mexican Eared Owl Latham, Synop. Birds, i, pt. 1, 123; Strix ado mexicami 

 BrissoD, Om., i, 498). — ^Latham, Index Om., i, 1790, 54. 



Strix mexicana Daudin, Traits d'Om., ii, 1800, 214.— Shaw, Gen. Zool., vii, 1809, 

 228. — ViEinoT, Nouv. Diet. d'Hist. Nat., vii, 1817, 40 (cites Ois. Am. Sept., 

 pi. 3). 



Strix mexkanus Audubon, Om. Biog., iv, 1838, 574. 



a Three specimens. 



6 Six specimens. 



Locality. 



MALES. 



Two adult males from Costa Klca 



One adult male from Venezuela 



SEX UNKNOTTN. 



One specimen from Costa Kica 



One specimen from Colombia 



One specimen from Tobago 



FEMALES. 



One adult female from Panama (Chiriqui) 



One adult female from Colombia 



Two adult females from Venezuela 



One adult female from eastern Brazil (Bahia) 



One adult female from southwestern Brazil (Chapada, Mattogrosso) 



The series which I have been able to examine is a meagre one and altogether insuffi- 

 'cient for deciding as to whether subdivision is required. 



