MONOGRAPH 
OF 
THE OWLS — STRI GID vE 
By Dr. T. T. I(AUP. 
The First Subfamily — Day Owls, Surmnce, Kp. 
/. Glaucidium II. Nyctale. III. Athene. IV. Sumia. V. Ieraglaux. 
They have the most perfect brain, the handsomest and roundest 
skull, high-rounded front and small pneumacity. No genus has 
feather-horns, or a pectinated claw on the middle toe like Strix. 
I. Genus GLAUCIDIUM, Boie. 
The smallest Owls of the whole family, with short wings and long 
tail. The first quill shorter than the tenth. 
a. Subgenus Glaucidium, Boie. — They have the nostrils in the 
middle of the pea-shaped cere, and a spotted or uniform plumage. 
They are found in South America. 
1. Gl. pumilum , Kp. ; Str. pumila , Temin. PI. Col. 39; ferox , 
Vieill. ; minutissima , Wied. — Tail 53 mm. long, with 3-4 white 
spots only, not reaching to the shafts. 
2. Gl. nanum, Boie. ; Str. ncma, King, Zool. Journ. iii. p. 426; 
Athene leucolaima , Homb. et Jacq. Voy. pi. iv. p. 2, 3. — Tail 63-70 
mm. long, with 8-10 rufous cross bands, reaching to the shaft. 
Southern America, Straits of Magellan, Peru. 
3. Gl. infuscatum, Kp. ; Str. infmcata , Temm. ; Olim. passeri- 
noides , Temm. ; Gl. gnoma , Wglr. ; Str. eluta , Licht. (not elata ). — 
^ a il 61-66 mm. long, black with 5-6 pairs of white spots not 
reaching to the shaft. Brazil, Mexico, California. 
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