Adult male.--"Sides of face bright pure unmarked rufous; lengthened stiff plumes springing from base of maxilla rufous, mixed with tawny, and many with dark brown shafts and tipped with dark brown; space above front of eyes, uniting on forehead and extending back over eyes, pale tawny-rufous; crown and occiput dark rufous, many of the feathers with a broad dark brown mesial stripe; nape and sides of neck pure rufous; lengthened ear-tufts rufous, some with very narrow brown mesial linear markings near their apices; plumes bordering facial disk albescent tawny, some almost pure white, tipped with dark brown; chin and upper throat tawny-rufous; middle of throat white; breast and remainder of lower surface pure rufous, more dilute on lengthened tibial plumes and under tail-coverts; a few pectoral plumes with large, dark brown, terminal drops; many abdominal plumes, with elongated dark brown, central stripes; back rufous, minutely freckled with brown, each feather with a bold, irregular, dark brown central stripe; scapulars like back, but some of the shorter and outer ones albescent tawny on outer webs; dark brown central marks so arranged that the back, together with the scapulars, appears to have three parallel dark brown stripes running down it; rump and upper tail-coverts rufous brown, with darker shafts; rectrices brown, minutely freckled with pale rufous, and with eight or nine rufous cross-bands; lesser and median wing-coverts brown, freckled with rufous, each with a narrow central brown line; greater coverts brown on inner web, freckled with rufous on outer web; quills brown, alternately banded with freckled brown and pale rufous; tertiaries pure rufous, with traces of dark brown along the shafts; edge of wing white; lining yellowish white; some of the under carpal coverts rufous; thigh and tarsal coverts pale rufous and tawny white. 'Iris warm brown; bill grayish white; feet pale gray; claws white tipped with dark gray.' (Everett.) Wing, 236; tarsus, 46; culmen without cere, 28; middle toe, 35." (Tweeddale.) This species differs from P. philippensis in its smaller size, more rufous under surface, darker upper surface, and finer dark markings of the mantle. 208. PSEUDOPTYNX MINDANENSIS Grant. MINDANAO HORNED OWL. Pseudoptynx mindanensis Grant, Bull. Brit. Orn. Club (1906), 16, 99; Ibis (1906), 496. Mindanao (Goodfellow).