51. BUTASTUR. 297 



Young. Much darker above and below than the adult, the feathers 

 of the upper surface brown with rufous margins ; forehead whitish, 

 as also a tolerably distinct eyebrow ; crown of head and neck brown, 

 with rufous margins, giving a distinctly streaked appearance ; nape 

 mixed with white ; ear-coverts ashy brown ; throat white, with a 

 central blackish stripe, and bordered on each side with a blackish 

 moustachial line ; under surface of body ashy brown, mottled with 

 pale rufous spots on both webs of the breast-feathers, the abdomen 

 barred more or less distinctly with creamy buff; thighs and under 

 tail-coverts pure white ; wings and tail much as in the adult ; cere 

 and orbits yellow ; bUl yellow, black at tip ; feet yellow ; " iris pale 

 lead-colour, not yellow " (A. R. W.). Total length 16-2 inches, 

 culmen 1-3, wing 11-2, tail 6-6, tarsus 2-5. 



Another young bird in the Leiden Museum did not differ so much 

 from the adult as the one just described. It was much browner on 

 the head, had a white eyebrow and the nape also varied with white ; 

 it had likewise remains of white on the wing-coverts. 



Hah. From Burmah and Siam to Celebes, occurring in Java and 

 Timor. 



a. 



S ad. st. Malay archipelago. Leiden Museiun [P.]. 



b. cJ juv. sk. Macassar. A. E. Wallace, Esq. [C.]. 



3. Butastur indicus. 



Javan Hawk, Lath. Gen. Si/n. Siippl. p. 32* (1787). 



Falco indicus, Gm. S. JV. i. p. 264 (1788, ex Lath.). 



Falco javanicus, Lath. Gen. Hist. i. p. 163 (1821). 



Falco poliogenys, Te^nm. PL Col. i. pi. 325 (1825). 



Astur poliogenys, Gray, Cat. Accipitr. 1844, p. 34. 



Buteo fasciatus, A. Hay, Madr. Journ. xiii. p. 146 (1844). 



Astur barbatus, Eyton, Ann. N. H. xvi. p. 228 (1845), 



Buteo pygmpeus, Blyth, J. A. S. B. xiv. p. 177 (1845) ; id. Cat. B, 



3Lus. A. S. B. p. 29 (1849). 

 Polioruis indicus, Gray, Cat. Accipitr. 1848, p. 68 ; Strickl. Orn. Syn, 



p. 125 (1855) ; Wdlden, Tr. Z. S. viii. p. 37 (1872). 

 Poliornis pyrrhogenys, Gray, Gen. B. i. p. 30 (1849). 

 Poliomis poliogenys, Gray, Gen. B. i. p. 30 (1849) ; Bp. Consp. i. 



p. 18 (1850) ; Wall. Ibis, 1868, p. 19 ; Gra^j, Hand-l. B. i. p. 16 



(1869) ; S^cinh. P. Z. S. 1871, p. 341. 

 Buteo pyiThogenys, Temm. S,- Schl. F. J. Aves, p. 21, pi. 7b (1850). 

 Buteo poliogenj's, Schl. 3Ins. P.-B. Buteones, p. 22 (1862) ; id. Vog. 



Nederl. Ind. pp. 33, 70, pi. 21. figs. 2,3 (1866) ; Blyth, Ibis, 1866, 



p. 247; Schl. Pence Accijntr. p. Ill (1873). 

 Poliornis barbatus, G7-ay, Hand-l. B. i. p. 15 (1869). 



Adult. Above brown, inclining to ashy on the head and upper 

 back, and to rufous on the lower back, rump, and upper tail-coverts, 

 the latter of which are plainly barred and broadly tipped with pure 

 white ; forehead white ; sides of face clear ashy grey ; sides of neck 

 ashy brown, uniform with the interscapulary region ; wing-coverts 

 rufous brown, mottled with clearer rufous ; primary coverts rufous, 

 externally mottled and broadly tipped with black ; quUls rufous, 

 narrowly tipped with buffy white, primaries brown externally and 



