22 Mr. E. Blyth on the Birds of India. 



in Japan) alone slightly differing. Common throughout India, 

 in all suitable localities*. 



Genus PoxTOAETrs, Kaup. 



70. P. iCHTHYAETUs. (Horsfield, Zool. Res. in Java, pi. 34.) 

 Syn. Falco ichthyaeius, Horsfield. Haliaetus plumbeus, Hodg- 

 son. Ichthyaetus bicolor, G. R. Gray. /. horsfieldi et /. hucarius, 

 Hodgson. Pandion Uneatus, Jerdon, Cat. p. 8. 



Hah. India; Indo-Chinese and Malayan countries. 



71. P. HUMiLis. (Temm. & Miiller, Ois. t. 6.) 



Syn. FaIco{Pandion)huTnilis,^.'SY\i^[er,\exh..-^A^. Ichthyaetus 

 nanus, Blyth, J. A. S. xi. p. 202, et xii. p. 304. 

 Hab. Malayan peninsula ; Sumatra. 



G«nus Blagrus, Blvth. 



72. B. LEUCOGASTER. (PI. Col. 49 j Gould's B. Austr. i. pi. 3.) 

 Syn. Falco leucogaster, Gmelin. F. dimidiatus, Raffles. F. 



albicilla, var., Latham. F. blagrus of S.E. Asia and Australia, 

 auctorumf. Ichthyaetus cvJtrunguis, Blyth (the senior adult). 

 Haliastur sphenums, Gould (the young). Kumpa-maur Eagle (the 

 senior adult) and Maritime Eagle (the adult), Latham. 



Hab. India ; Malasia ; Moluccas ; Xew Guinea ; Australia ; 

 the Andaman and Nicobar Islands : chiefly the sea-coast and 

 estuaries of the great rivers. 



Genus Haliaetus, Savigny (Cuncuma, in part, Hodgson). 



73. H. prLvivENTER, Tieillot. (PI. Col. 8; Hardwicke's 111. 

 Ind. Zool. pi. 19, the young.) 



Syn. Aquila leucorypha, Pallas^ (?). Falco Tnacei,Temva\uck. 



* The Osprey is a very peculiar form among the FalconicUE, and wants 

 the projecting superorbital bone which is (I believe) so characteristic of 

 all the rest. The next genus approximates Pandion in the adaptation of 

 structure to piscivorous habits, but is nevertheless very distinct, and much 

 more nearly affine to Haliaetus. 



t The true Blagre of Levaillant {Falco blagrus, Daudin) is now believed to 

 be the voung of Haliaetus vocifer {vide Cassin, Proc. Philad. Acad. 1859, 

 p. 31). " 



I This name would hold precedence. Mr. Newton, on comparing the 



