LIST OF BIRDS OF BORNEO. 183 
Butastur mdicus, Sharpe, Cat. Birds B. M. 1, p. 297 ; 
lide ibis, 1870, p. 230: 
Poliornis indica, Salvad., Ucc. Bor., p. 9. 
Labuan (Ussher) ; Tampasuk (Whitehead) ; Kina Balu 
: Mt. (Burbidge); Benkoka (Whitehead) ; Sigalind 
(Lempriere) ; Taguso (Whitehead); P. Princesa 
(A. Everett) ; Cuyo I. (Meyer). 
Appears in Labuan and Northern Borneo in Septem- 
ber and remains through the winter. It is quite the 
most abundant of the migratory as Haliastur inter- 
medvus is of the resident birds of prey in those parts 
of the island. Observed as high as 1,000 ft. on 
Kina Balu by Mr. Whitehead. Butastur lwenter 
(Temm.) is said to have occurred once in Borneo, 
but is omitted in this list pending further evidence. 
GENUS—HALIAETUS. 
418.—Haliaetus leucogaster. 
Haliaetus leucogaster, Sharpe, Cat. Birds B. M. i, p. 307; 
Ndi tints, 1877, p: 3. 
Cuncuma leucogaster, Salvad., Ucc. Bor., p. 5. 
Bintulu (A. Hverett); Labuan (Ussher); Abai (White- 
head); Taguso (Whitehead); P. Princesa (Palawan). 
GENUS—POLIOAETUS. 
419.— Polioaetus icthyaetus. 
Polioaetus icthyaetus, Salvad., Ucc. Bor., p. 6. 
Sarawak (Doria and Beccari); Benkoka, Sept. 6, 1885 
(Whitehead) ; Douson R. (S. Miiller) ; P. Kakiet 
(Schwaner) ; Banjarmasin (Mottley). 
420,—Polioaetus humilis. 
Polioaetus humilis, Salvad., Ucc. Bor., pp. 6. & 379. 
Sarawak ( Doria and Beccari); Sibu, Aug. 14, 1874 
(A. Hverett); Jambusan, July 31, 1880 (Platen). ~ 
GENUS—HALIASTUR. 
A421.—Haliastur intermedius. 
Haliastur imtermedws, Sharpe, Cat. Birds B. M. i, p. 
Sos 
