SEA-EAGLES. 



207 



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 VValthamstow in Essex. The white-headed 

 sea-eagle, or bald eagle {H. leucocepl talus), the national emblem of the United 

 States, difiers from the white-tailed species, by having the whole of the head and 



\VUiTli-iii:.ADKU bEA-EAGLE (^ nat. 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. IcncopJiauis) differs from all the preceding by having the 

 tail of the adult white witli a broad band of black at the end : the remainder of 

 the plumage, except the sides of the face, whioli are huffish white, being various 

 shades of brown. This species is smaller than the foregoing, measuring only 30 



