STRIGID^. 
217 
culum of the ears large, and covering the orifice. 
Tarsus short, and thickly feathered. Tail graduated, 
considerably lengthened. 
H. cincrea. N. Z. pi. 31. Uralensis. PI. Col. 27. 
Scotophilas, Sw. Operculum of the ears very small. Head 
without egrets. Tarsus short, feathered to the claws. 
Wings and tail rounded. 
S. Tengmalmi. N. Z. pi. 32. Acadica. Wils. iv. pi. 34. 2. 
Otus, Ant. Head smaller than the circumference of the 
body, and having short egrets. Wings long ; the second 
quill longest. Ears large, operculated. Feet moderate. 
O. Europicus. Selby, pi. 1 20. bracliyotos. Wils. iv. pi . 33. 3. 
Asio, Antiq. Homed Owls. Head large, furnished 
with a double crest or 
egrets. Ears and facial 
disk moderate, and the 
latter not always per- 
fect. Ears without an 
operculum. Bill short, 
with the upper mandible sometimes festooned. {Jig. 
198 .) 
A. bubo. PI. Enl. 435. Virginiana. Wils.vi. pi. 50. 1. 
Heliaptex, Sw. Habits diurnal. Head small. Facial 
disk almost obsolete. Ears very small. T ail moderate. 
Feet feathered to the toes. 
H. arcticus, N. Z. pi. 32. 
Scops, Antiq. Scops Owls. Size very small. Facial 
disk very imperfect. Wings long. Middle and inner 
toe nearly equal. Tarsus moderate. 
S. Zorea. PI. Enl. 436. Senegalensis. W. Af. i. 127. 
loucolis W. Af. ii. 124. rufescens? Horsf. Lin. Tr. 
PI. Col. 16. xiii. 140. 
Nyctia, Savigny. Eagle Owls. Size large. Head 
small, without egrets, and almost wdthout the facial 
disk. Eyebrows prominent. Ears very small. Tarsi 
short, thickly feathered. Tail short. Wings rather 
long. 
N. Candida. Wils. iv. pi. 32. 1. 
