STRIGIN^. ASIO. 
65 
sects, occasionally fisli. Nestles in decayed trees, or on the 
ground, laying three or four pure white eggs, an inch and 
eleven-twelfths long, an inch and a half in breadth. 
Brown Owl. Tawny Owl. Grey Owl. Ivy Owl. Beech 
Owl. Howlet. J enny Howlet. Screech Owl. 
Strix Aluco and Stridula, Linn. Syst. Nat. 132, 133. — Strix 
Aluco, Temm. Man. d’Orn. i. 89. — Ulula Aluco, Tavmy Owd, 
MacGillivray, Brit. Birds, iii. 438. 
27 . Ulula Tengmalmi. Tengmalm’s Hooting-Owl. 
Upper parts chocolate-brown, spotted with white ; tail with 
five rows of transversely elongated spots ; lower parts yellow- 
ish-white, with longitudinal brown markings ; tarsi and toes 
covered with downy feathers ; length about ten inches. 
Male, 10^, . . , Bjf, 1, {f, Female, 11^, ..., 7^. 
This species is said to inhabit the northern parts of Europe, 
and to extend in diminished numbers as far south as France, 
Switzerland, and Italy. In North America, it occurs, ac- 
cording to Dr Bichardson, from Great Slave Lake to the 
United States. In England, a very few individuals have 
been met with. 
Strix Tengmalmi, Gmel, Syst. Nat. i. 291. — Strix Teng- 
malmi, Temm. Man. d’Ornith. i. 94. — Ulula Tengmalmi, 
Tengmalm’s Hooting Owl, MacGillivray, Brit. Birds, iii. 445. 
GENUS XVI. ASIO. TUFTED-OWL. 
Although the species of the genus Bubo are furnished with 
tufts on the head, those of the present species are easily dis- 
tinguished from them by the enormous size of their auditory 
concha, and other peculiarities. Bill short, moderately stout, 
compressed toward the end ; upper mandible with the dorsal 
line decurved from the base, the tip acute, descending 
obliquely ; lower mandible with the angle wide, the edges 
with a slight sinus, close to the obliquely truncate tip. Mouth 
very wide ; tongue short, narrow, oblong, deeply emarginate 
and papillate at the base, its tip thin, narrow, emarginate ; 
oesophagus very wide, without crop ; stomach large, roundish, 
very thin, with a soft and somewhat rugous epithelium ; 
pylorus with a thin margin ; intestine of moderate length 
and width ; coeca of considerable length, oblong, contracted 
toward the base ; cloaca globular, very large. Nostrils large, 
oblong, oblique. Eyes very large, oblique. Conch extremely 
E 
