PANDION. 245 
Family PANDIONIDA. 
Characters same as those given for the Suborder. 
Genera. 
a‘, Smaller; front of tarsus covered with small imbricated scales.. Pandion (p. 245) 
a*, Larger; part of tarsus covered with large transverse plates. 
Polioaétus (p. 247) 
Genus PANDION Savigny, 1809. 
Bill shghtly compressed ; width of upper mandible at nostril more than 
its depth; primaries abruptly and deeply cut on inner web and exceeding 
secondaries by more than length of tarsus; back of tarsus covered with 
small scales like those in front. 
Species. 
Ga vuchslarcersawing, about, o00 mms! ss eee haliztus (p. 245) 
a*. Much smaller; wing, 460 mm. or less......................-2:----+- leucocephalus (p. 246) 
203. PANDION HALIAETUS (Linneus). 
EUROPEAN OSPREY. 
Falco halietus LINN&US, Syst. Nat. ed. 10 (1758), 1, 91. 
Pandion haliaétus SHARPE, Cat. Birds Brit. Mus. (1874), 1, 449; OaTEs, 
Cat. Birds’ Eggs (1902), 2, 315; McGrecor and WorcrEstER, Hand-List 
(1906), 45. 
Luzon (Worcester, Whitehead); Mindoro (Hverett, McGregor, Whitehead) ; 
Palawan (Whitehead). Eastern hemisphere. 
“Adult.—Above brown, most of the feathers with obsolete margins of 
paler brown, more distinct on the wing-coverts; primaries black, second- 
aries brown like the back, the primaries pale, but uniform whity brown 
below, the secondaries whitish on the inner web, with indistinct bars of 
ashy brown; tail almost uniform brown, tipped with whity brown, and 
shaded with ashy externally, the inner web obsoletely barred with ashy 
brown, a little more distinct below, where the interspaces are whitish ; 
head brown, with white bases to the feathers; a broad white streak from 
behind the eye running down the sides of the neck; ear-coverts blackish 
brown; sides of neck unifrom with the back; sides of face and entire 
under parts white, the breast varied with brown centers to the feathers 
of more or less extent, the chin and fore part of cheeks also slightly 
streaked with dark brown; axillars and a few of the flank-feathers also 
marked with rufous-brown like the breast; under wing-coverts buffy 
white, with dark brown centers, the outermost almost entirely brown, 
with whitish tips. Cere blue; bill black; feet blue; iris yellow. Length, 
610; culmen, 44; wing, 503; tail, 241; tarsus, 61. 
“Young.—Glossy chocolate-brown, all the feathers terminally margined 
with buffy white, these margins somewhat tinged with rufous, and 
broadest on the secondary quills and upper tail-coverts; crown of head 
