LOPHOTRIORCHIS. 223 
Genus LOPHOTRIORCHIS Sharpe, 1874. 
Cutting edge of bill sinuate; a narrow occipital crest about 60 mm. 
long ; wing moderate in length; first primary very short; third and fourth 
subequal; inner web of first four quills abruptly and deeply cut; legs 
closely feathered to base of toes which are covered with small hexagonal 
scales; claws strong and curved. 
182. LOPHOTRIORCHIS KIENERI (Geoffroy St. Hilaire). 
RUFOUS-BELLIED HAWK. 
Astur kienerii Grorrroy Sr. H1Larre, Mag. de Zool. (1835), el. 2, pl. 35. 
Lophotriorchis kienert SHARPE, Cat. Birds Brit. Mus. (1874), 1, 255; Hand- 
List (1899), 1, 262; Grant, Ibis (1895), 438; McGrecor and Wor- 
CESTER, Hand-List (1906), 42. 
Luzon (Heriot, Whitehead) ; Marinduque (Steere Exp.); Mindanao (Steere 
Exp., Celestino) ; Panay (Steere Exp.) ; Sibuyan (McGregor) ; Tablas (Celestino). 
Malay and Indian Peninsulas, Lesser Sunda and Indo-Malayan Islands, Indo- 
Chinese provinces, Ceylon, Celebes. 
“Adult—Above black, with an occipital crest 60 mm. in length; ear- 
coverts somewhat mixed with whitish; cheeks, throat, and breast pure 
white, with a few narrow black shaft-lines on the side of the latter; rest 
of under surface, including under wing- and tail-coverts, tawny rufous, 
streaked with black shaft-stripes, rather broader on the flanks, where they 
are more merged; wings black, some of the feathers externally brownish, 
the inner lining of quills whitish ashy, with a few blackish bars on the 
inner web of the primaries, the secondaries narrowly tipped with white ; 
tail black, very slightly tipped with whity brown, and with indications of 
brown cross-bands under certain lights, the lower surface of the tail ashy 
white, with a subterminal brown bar. Cere yellow; bill leaden blue; feet 
yellow, claws black; iris brown. Length, 533; culmen, 38; wing, 358; 
tail, 211; tarsus, 74.” (Sharpe.) 
Immature male.—Upper parts earthy brown, lighter on crown, the 
feathers tipped with white; forehead all white; long crest-feathers black- 
ish brown; a black patch in front of and over eye; wing-coverts like the 
back; primaries and secondaries blackish brown, tipped with white; tail 
back; primaries and secondaries blackish brown-tipped with white; tail 
blackish brown, tipped with white and crossed by about nine lighter bars ; 
entire under parts, except a brown patch on each flank, pure white. 
Wing, 370; tail, 225; culmen’from base, 35; tarsus, 69; middle toe with 
claw, 72. 
The sexes are similar in color. A male from Sibuyan measures: Wing, 
340 ; tail, 190; culmen from base, 34; tarsus, 72. A female from northern 
Mindanao measures: Wing, 360; tail, 210; culmen from base, 35; 
tarsus, 66. 
