STRIGINiE. SURNIA, 
21 
GENUS L SURNIA, Dumeril. DAY-OWL. 
Bill very short, strong, its upper outline decurved from 
the base ; lower mandible abruptly rounded, with a sinus on 
each side. Nostrils elliptical, rather large. Aperture of 
ear elliptical, simple, not more than half the height of the 
head. F eet strong ; tarsi very short or of moderate length. 
Plumage rather dense ; facial disks incomplete above. 
Wings very large, the third quill longest, the first with the 
filaments thickened and a little free, but scarcely recurved 
at the end. Tail varying in length. 
27. 1. Surnia funerea, Gmel. Hawk Day- Owl. — Hawk 
Owl. 
Plate CCCLXXVIII. Male and Female. 
Tail long, muck rounded, the lateral feathers two inches shorter 
than the middle. Upper part of head brownish-black, closely spotted 
with white, hind neck black, with two broad longitudinal bands of 
white spots ; rest of upper parts dark brown, spotted with white ; tail 
with eight transverse bars of white, the feathers tipped with the same ; 
facial disks greyish-white, margined with black ; lower parts trans- 
versely barred with brown and dull white. 
Male^ 16|, 314. Female, Vj\. 
From New Jersey on the east, and from Columbia River on the 
west, northward ; but not in the central plains. Migratory. 
Hawk Owl, Strix hudsonica, Wils. v. vi. p. 64. 
Strix funerea, Bonap. Syn. p. 35. 
Hawk Owl, Strix funerea, Ndtt. Man. v. i. p. 115. 
28. 2. Surnia nyctea, Linn. Snowy Day-Owl. — Snowy 
Owl. 
Plate CXXI. Male and Female. 
Tail rather long, moderately rounded ; plumage white ; head and 
baek spotted ; wings, tail, and lower parts barred with dusky brown. 
Young pure white. Individuals vary much in markings. 
Male, 21, 58, Female, 26, 65. 
From South Carolina on the east, and Columbia River on the west, 
northward. Migratory. 
Snowy Owl, Strix nyctea, Nutt. Man. v. i. p. 116. 
Snowy Owl, Strix nyctea, Aud. Amer. Orn. v. ii. p. 135 ; v. v. p. 382. 
