SPIZAETUS. 225 
A rare species found only in forest. A male from Lubang measures: 
Length, 610; wing, 390; tail, 250; culmen from base, 38 ; tarsus, 97. 
184. SPIZAETUS LIMNEETUS (Horsfield). 
CHANGEABLE HAWK EAGLE. 
Falco limneétus HoRSFIELD, Trans. Linn. Soc. (1821), 13, pt. 1, 138. 
Spizaetus limnaetus SHARPE, Cat. Birds Brit. Mus. (1874), 1, 272. 
Spizaétus limnaétus SHARPE, Hand-List (1899), 1, 264; OaTes, Cat. Birds’ 
Eggs (1902), 2, 274; McGregor and WorcEstTER, Hand-List (1906), 42. 
Calamianes (Bourns € Worcester) ; Lubang (McGregor) ; Mindanao (Platen) ; 
Mindoro (Everett); Palawan (Whitehead, Platen). Burmese provinces, Malay 
Peninsula, northeastern Bengal, Greater Sunda Islands, Assam, and the Hima- 
layas. 
“A dult.—Above and below deep chocolate-brown, inclining to blackish 
on the head and back, the quills and tail blackish, the shafts of the latter 
brownish, the inner webs of the quills clear ashy; tail-feathers below ashy 
white, brownish toward the tips, the penultimate ones with remains of 
irregular cross-markings. Cere yellowish; feet pale yellow; iris bright 
yellow. Length, 635; culmen, 43; wing, 406; tail, 279; tarsus, 104. 
“Young (type of species).—Above clear brown, with faint terminal 
margins of fulvous-brown, the buff-colored bases showing very con- 
spicuously on all the upper parts, but especially distinct on the wing- 
coverts, which are also broadly margined with buffy white; quills deep 
brown, the secondaries lighter and more purplish brown, broadly tipped 
with buffy white, and indistinctly barred with darker brown, plainer on 
the inner web, especially underneath, where it is ashy white on the pri- 
maries and grayish on the secondaries; lower back and rump pale brown, 
the upper tail-coverts brownish buff; tail brown, tipped with buffy white 
and crossed with six equidistant bands of darker brown; head and neck 
whitish buff, the sides of the latter washed with sandy rufous, and mottled 
with dark brown in the centers of the feathers; under surface of body 
buffy white, washed with pale fawn-color on the sides of the body and 
thighs, with a few indistinct spots of the same on the chest; under wing- 
coverts white, spotted with dark brown, the spots larger on the greater 
series. Iris brownish. Length, 610; wing, 394; tail (not fully grown), 
241; tarsus, 94. 
“Another young bird, collected by Mr. Wallace, is rather larger in 
general bulk than the foregoing example, though having the wing of the 
same length. It is purer white below, with a shade of dark brown on 
the lower flanks, and a few distinct oval spots of brown on the breast. 
The center tail-feather has seven bands of dark brown. 
“Nestling.—Covered with snow-white down,. the crown of the head 
inclining to fawn-color, the sprouting feathers blackish brown, the greater 
FOTN 15) 
