STRIPED HORNED OWL 



bb. Larger, length about 335 mm. (13.20 in.) or more. 



c. Face white; ear tufts mostly black; facial rim 

 black; upper and under parts with heavy black- 

 ish streaks Rhinoptynx clamator 



cc. Cheeks rusty chestnut; eyebrows white and ear 

 tufts mostly white; upper parts reddish brown 

 and unstreaked. . .Lophostrix cristata stricklandi 



aa. Without ear tufts. 



b. Larger, length about 420 mm. (16.50 in.); a broad 

 brown band across chest; face brown with con- 

 spicuous white markings around eyes 



Pulsatrix perspicillata 



bb. Smaller, length about 380 mm. (15.00 in.) or less; 

 under parts without broad brown band across' 



chest. 



c. Under parts barred or striped. 



d. Under parts white barred with black; face 

 black Ciccaba n. nigrolineata, 



dd. Under parts pale cinnamon buff mottled and 

 heavily striped with dusky; face buffy 

 brown Ciccaba v. virgata, 



cc. Under parts with dusky dots; face white with a 

 conspicuous heart-shaped, tawny facial rim . . 

 Tyto perlata guatamalcz 



f 



i. Rhinoptynx clamator ^Vieillot) 

 Striped Horned Owl 



Length. Male, about 355 mm. (13.20 in.); 

 tail about 130 mm. (5.10 in.). Female, about 

 369mm. (14.50 in.); tail, about 140 mm. (5. 50 in). 



Sexes alike. Above light or tawny buff 

 coarsely vermiculated and heavily streaked with 

 brownish black; tail mottled and barred with 

 dark brown; ear tufts black, the inner webs of 

 the feathers edged with whitish; face dull white 

 with a black rim broken into spots on throat; 

 foreneck white; remaining under parts white 

 147 



