TANDION. 245 



Family PANDIONID^. 



Characters same as tliose given for the Suhorder. 



Geiiera. 



a\ Smaller; front of tarsus covered witli small imbricated scales.. Pandion (p. 245) 

 a^. Larger; part of tarsus covered witli large transverse plates. 



Polioaetus ( p. 247) 



Genus PANDIOX Savigny, 1809. 



Bill slightly compressed ; width of upper mandihle at nostril more than 

 its depth; primaries abruptly and deeply cut on inner wel) and exceeding 

 secondaries by more than length of tarsus; back of tarsus covered with 

 small scales like those in front. 



Species. 



a\ Much larger; wing, about 500 mm halisetus (p. 245) 



ar. Much smaller; wing, 4(50 mm. or less leucocephalus (p. 246) 



20;}. PANDION HALI/ETUS (l.innaus). 



EUROPEAN OSPREY. 



Falco hali(eti(s Linn.eus, Syst. Xat. ed. 10 (1758), 1, Itl. 

 Pandion. haliaetus Sharpe, Cat. Birds Brit. Mus. (1874), 1, 449; Gates, 

 Cat. Birds' Eggs (1902), 2, 315; McGregor and Worcester, Hand-List 

 (1906), 45. 

 Luzon (Worcester, Whitehead) ; Mindoro (Everett, McGregor, WhitcJtcfid) ; 

 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 witli ashy externally, the inner web obsoletely barred with ashy 

 brown, a little more distinct below, where the interspaces are whitish; 

 liead brown, with white bases to the feathers; a broad white streak from 

 l)ehind 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 tlank-feathers also 

 marked with rufous-brown like tlic breast; under wing-coverts ])uffy 

 white, with dark brown centers, the outermost ahnost entirely brown, 

 with whitisii tips. Cere blue; ])ill black; feet blue; iris yellow. Length, 

 «ilO; culmen, 44; wing, 503; tail, "Ml; tarsus, (it. 



"Young. — Glossy chocolate-brown, all the featlicrs terminally margined 

 with butty white, these margins sonunvhat tinged with rufous, and 

 I)roadest on the secondary (|uills and upper tail-coverts; crown of head 



