LOPHOTRIORCHIS. 223 



Genus LOPHOTKIORCHIS 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 (Geoffrey St. Hilaire). 

 RUFOUS-BELLIED HAWK, 



Astur kienerii GEOFFROY ST. HILAIRE, Mag. de Zool. (1835), cl. 2, pi. 35. 



Lophotriorchis kieneri SHARPE, Cat. Birds Brit. Mus. (1874), 1, 255; Hand- 

 List (1899), 1, 262; GRANT, Ibis (1895), 438; MCGREGOR 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. 



