552 HAWK OWL. 
is greyish-white, the shafts black, at its anterior part intermixed 
with black filaments. The upper part of the head brownish-black, 
closely spotted with white, there being generally three roundish spots 
on each feather. ‘The hind part of the neck is brownish-black, with 
two broad longitudinal bands of white spots; a semicircle of brown- 
ish-black feathers margins the facial disk behind. The general colour 
of the upper parts is chocolate-brown, becoming lighter behind ; all 
the feathers marked with white spots in pairs, larger and more con- 
spicuous on the scapulars, disposed in bars on the rump and upper 
tail-coverts. On both webs of the quills are several transversely ellip- 
tical white spots, the outer webs of the first two and five inner pri- 
maries excepted; the tips of all brownish-white. The tail is marked 
with about eight transverse bars of white, formed by narrow oblong 
alternating spots on both webs, the feathers also tipped with white, 
the throat is greyish-dusky, that colour being succeeded by a semi- 
circular band of white, beneath which is an obscure brownish-black 
band; the rest of the lower parts transversely barred with dusky and 
white ; the dark bars of a deeper tint anteriorly, approaching to chest- 
nut on the sides and legs, fainter on the abdomen and feet, and grey- 
ish-brown on the lower tail-coverts. 
Length to end of tail 153 inches, to end of wings 123, to end of 
claws 113, to carpal joint 33; extent of wings 314; wing from flexure 
97; tail 73; bill along the ridge 1,%, along the edge of lower mandi- 
ble 1; tarsus 1; hind toe 7%, its claw 1%; middle toe ¥’,, its claw +$; 
iz > 
inner toe 8, its claw }3; outer toe 3, its claw 19. 
Adult Female. Plate CCCLXXVIII. Fig. 2. 
The Female is somewhat larger, and resembles the male, but is of a 
lighter tint, especially on the wings and tail, where the white mark- 
ings are smaller and less decided. 
Length to end of tail 174 inches. 
An adult male, presented by THomas M. Brewer, Esq. of Boston, 
and preserved in spirits. 
The palate is concave, with two longitudinal, parallel, papillate 
ridges. ‘The posterior aperture of the nares is lanceolate, with an an- 
terior fissure, the space between which and the lateral ridge is papillate. 
The tongue is short, fleshy, deeply emarginate and papillate at the 
