102 
172. Leucopternis semi-plumbea Lawr. Ann. N.W. Ecuador 
Lyc., N.Y., vil., p. 288 (1862). [Panama.] and Colombia to 
Semi-plumbeous Hawk. Costa Rica and 
Nicaragua. 
Wing ¢ 190, 2 208 mm. ; above uniform 
plumbeous ; wings and tail black; latter 
with a narrow band of white near middle ; 
below white with a few black shaft stripes 
on sides of breast. 
173. Leucopternis princeps Sclat., P.Z.S. 1865, Costa Rica to 
p- 429, pl. xxiv. [Costa Rica.| N. Ecuador. 
Barred Hawk. 
Wing 3 360, 9 385 mm. ; above, also throat 
and foreneck, slaty-black, below white 
narrowly barred with black; tail black 
with a median band of white, and a few 
anterior incomplete bars of same. 
Gen. XLI. HARPYHALIAETUS Lafr. (1842). 
Type by orig. desig. Harpyia coronatus Vieill. 
Size large, length ad. 33 in.; head with a long 
occipital crest (95 mm.) ; tail short, not three 
times as long as tarsus. 
174. Harpyhaliaetus coronatus (Vieill.) N. Dict. Paraguay, 
d’Hist. Nat., xiv., p. 237 (1817). [ex iBelivias 
Azara = Paraguay.| S. Brazil to 
Crowned Harpy. Patagonia. 
Wing ad. 553-560; tail 342 mm. ; above 
ashy-brown, shaded with chocolate ; below 
paler and more ashy; quills blackish ; 
secondaries ashy-grey mottled with black 
and with a broad sub-terminal band of 
same ; tail black, tipped with white, with 
broad white median band, and a second 
indistinct one nearer base. 
