115 
Gen. LII. OROAETUS Ridgw. (Smiths. Misc. Coll. Ixxii., 
No. 4, p. 1, 1920). 
Type Falco isidori Des Murs. 
Size larger ; with the crest longer. 
*198. Ovoaéius isidort (Des Murs), Rev. Zool., Colombia, 
1845, p. 175 (bis.). [Santa Fé de Bogota.| W. Venezuela 
Isidore’s Crested Eagle. and S. through 
Ecuador to 
Wing g 488 mm.; wing 2 510-521, crest Bolivia. 
83 mm.; above glossy black; tail ashy- 
grey, basal third black; throat black ; 
below tawny rufous with black shaft- 
streaks ; flanks black. Immature: below 
white with a few dark shaft-lines; tail 
with 4 black bands, interspaces marbled 
grey and brown. 
Gen. LIII. ICTINAETUS Jerd. (Jnl. As. Soc. Bengal xii., 
p. 128. 1843). 
Type I. ovivorus Jerd.=Aguila perniger Hodg. 
Head crested ; claws nearly straight, the circum- 
ference of inner claw exceeding the length of 
outer toe (which is very short). 
199. Ictinaétus malayensis malayensis (Temm.). Malay 
Pl. Col. 1., livr. 20, pl. 117) (1824). [ex. Archipelago 
Reinw. MS., Java and Sumatra, restr. type (Java, Sumatra, 
loc.: Java.] Borneo, etc.). 
Malayan Crested Eagle. 
Wing ad. 510-525 mm.; whole plumage 
black ; the quills mottled with white near 
base ; tail feathers barred with ashy above, 
mottled with white below. 
