53. HALIAETUS. 307 



about 38 inches, culmen 4-C5, wing 27"1, tail 15, tarsus 4-9, middle 

 toe 2-85. 



Eab. N.E. Siberia and N. China, Japan, Kamtschatka. " Still to 

 be detected in North America " ( Coues). 



a. Juv. St. Kamtschatka. 



b. Skeleton. Purchased. 



4. Haliaetus leucogaster. 



White-bellied Eagle, Lath. Gen. Syn. i. p. 33 (1781). 



Falco leucogaster, Gm. S. N. i. p. 257 (1788, e.v Lath.) ; Temm. PI. 



Col. i. pi. 49 (1823). 

 Le Blagre, Levaill. Ois. d'Afr. i. pi. 5 (1797) ; Sund. Krit. om Levaill. 



p. 23 (1858). 

 Falco blagrus, Datid. Traite, ii. p. 70 (1800, ex Levaill.). 

 Haliaetus blagi-us, Cuv. Regne An. i. p. 310 (1817); Smith, S.-Afr. 



Q. Joum. i. p. 108 (1830) ; Bp. Cmisp. i. p. 15 (1850). 

 Falco dimidiatus, Rciffl. Tr. Linn. Soc. xiii.p. 277 (1822). 

 Pandion blagrus, Bonn, et Vieill. Enc. Meth. iii. p. 1200 (1823). 

 Haliaetus leucogaster, Vig. Zool. Joum. i. p. 336 (1824) ; Gould, Syn. 



B. Austr. pt. 3, pi. 37. fig. 1 (1838) ; Strickl. Orn. Syn. p. 53 (1855) ; 



Schl. Mies. P.-B. Aquilffi, p. 14 (1862) ; Jerd. B. Ind. i. p. 85 (1862) ; 



Schl. Vog. Nederl. Lid. Valko. pp. 9, 50, pi. 4. figs. 1, 2 (1866) ; 



Finsch u. Hartl. Faun. Centralpolyn. p. 1 (1867) ; Gray, Hand I. B. 



i. p. 17 (1869) ; Hume, Rough Notes, i. p. 259 (1869) ; Schl. Mm. 



P.-B. Revue Accipifr. p. 117 '( 1873). 

 Haliaetus dimidiatus, Vii/. Mem. Raffi. p. 648 (1830) ; Gray, Gen. B. 



i. p. 17 (1845) ; StricU. Orn. Syn. p. 54 (1855). 

 Haliaetus sphenurus, Goidd, P. Z. S. 1837, pp. 97, 138 ; id. Syn. B. 



Austr. pt. 3, pi. 37. fig. 2 (1838). 

 Ichthyaetus cultrunguis, Blyth,J. A. S.B. xi. p. 110 (1842). 

 Ichthyaetus leucogaster. Gray, Cat. Accipitr. 1844, p. 13 ; Gotdd, B. 



Austr. i. pi. 3 (1848) ; Biggies, Orn. Austr. pt. 5 (1866). 

 Pontoaetus leucogaster, Gi-ay, Gen. B. i. p. 18 (1845); Pelz. Verh. z.-h. 



TFiw, 1863,p.591. 

 Pontoaetus blagrus. Gray, Ge)i. B. i. p. 18 (1845). 

 Cuncuma leucogaster, Grat/, Cat. Accipitr. 1848, p. 24; Wall. Ibis, 



1868, p. 15 ; Wald. Tr. Z. S. viii. p. 35 (1872). 

 Blagrus leucogaster, Blyth, Cat. B. Mus. A. S. B. p. 30 (1849) ; id. 



J. A. S. B. xix. p. 341 (1850) ; id. Ibis, 1863, p. 22 ; Swinh. Ibis, 



1870, p. 80. 

 Ichthyaetus blagrus, Blyth, J. A. S. B. xi. p. 116 (1849). 

 Polioaetus leucogaster, Goidd, Handb. B. Austr. i. p. 13 (1863). 



Adult. Head and neck all round, as well as entire underparts, 

 including the under tail- and wing-coverts, white, some of the 

 outermost of the latter shaded with grey, the greater series ashy 

 grey with white bases ; upper surface of body ashy grey, slightly 

 shaded with brownish, the upper feathers of the interseapulary region 

 and scapulars narrowly margined with white ; primaries blackish, 

 externaUj' shaded with ashy grey, the secondaries uniform, slightly 

 tipped with white, the lower surface of the wing ashy grey, inclining 

 to blackish towards the tips of the feathers ; tail black, the terminal 

 third white, forming a conspicuoiis band; cere, lores, and orbital 



t2 



