248 AVES. 
Enl. 441, 437; Frisch, Ixxxxiv, Ixxxxv, Ixxxxvi; Naum. 46 and 
47,1. Somewhat larger than the Common Ow]; covered with lon- 
gitudinal brown spots, transversely denticulated on the sides; 
white spots on the scapulars, and towards the anterior edge of 
the wing. The ground. of the plumage in the male is greyish, 
in the female reddish, from which circumstance they were con- 
sidered for a long time as two species.(1) They build in the 
woods, frequently lay their eggs in other birds’ nests, and keep 
themselves in the hollows of old trees.(2) 
We reserve the name of 
Buso, Cuv. 
Or Ducs, for those species, which, with as small a conch as that 
of the Syrnii, and the disk of feathers less strongly marked, are fur- 
nished with tufts. Those which are known have large feet feathered 
to the nails; such is 
Str. bubo; The Grand Duc of naturalists; Enl. 434; Frisch, 
Ixxxxiii; Naum. 44. The largest of the nocturnal birds; fawn 
coloured, with a brown streak, and lateral points on each fea- 
ther; the brown predominates above; fawn coloured underneath; 
tufts almost entirely black.(3) 
Tue Turrep Cuoveres, Vaill. Afr. xliii, 
Are mere Ducs, whose tufts more widely separate, and placed 
farther back, can scarcely be elevated above a horizontal line. They 
are found in both hemispheres.(4) 
Noctua, Savigny. 
Neither tufts, nor an open or deeply set conch; opening of the ear 
oval, and hardly any larger than in other birds; the disk of fringed 
(1) The Str. sylvestris, rufa, noctua, alba of Scopoli, andthe Str. soloniensis, which 
Gmelin has intercalated in his system, are too undetermined to be considered other 
than varieties, and probably of the stridula. It is well to know that in the whole 
of this genus the females are redder than the males—by not attending to this, the 
species have been improperly multiplied. 
(2) Add the Str. pagodarum, Tem. Col. 220. 
(3) We cannot admit the Str. scandiaca, L. whose only foundation is a figure of 
Rudbeck, probably taken from a variety of the Grand Duc, Add Str. magellanica, 
Enl. 585, from which the Str. virginiana, Daud. II, 13, and Wils. Am. VI, I, 1, or 
Str. pinicola, Vieill. Am. 19, only differs in being of a more reddish tint. —Str. 
lactea, T. Col. 4. 
(4) Str. griseata, Sh.; Vaill. Afr. 43, of Guiana.—Sir. es T. Col. 174, and 
of Batavia, 229. 
Add Str. cinerea, Gm., Bonap. Am. Orn. pl. xxiii, f. 2. Am. Ed. 
