SEA-EAGLES. 
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and tail-coverts. In correspondence with their giant size, the cry of both these 
species is much louder and more penetrating than that of all the other eagles. It 
is remarkable that a leg-bone, apparently referable to Steller’s sea-eagle, has been 
obtained from the superficial deposits of Walthamstow in Essex. The white-headed 
sea-eagle, or bald eagle ( H. leucocephalus), the national emblem of the United 
States, differs from the white-tailed species, by having the whole of the head and 
WHITE-HEADED SEA-EAGLE (£ liat. size). 
neck pure white; the rest of the plumage of the upper-parts being dark brown, 
approaching black, while beneath the colour is a lighter brown. The length of 
the female is 38 inches. This bird ranges over the whole of North America, 
extending southwards to Florida, California, and Mexico. The species known as 
Pallas’s sea-eagle ( H. leucophceus) differs from all the preceding by having the 
tail of the adult white with a broad band of black at the end: the remainder of 
the plumage, except the sides of the face, which are huffish white, being various 
shades of brown. This species is smaller than the foregoing, measuring only 30 
