1918.] recently collected m Siam. 87 



Iris yellow ; orbital skin yellow and green ; maxilla 

 black ; mandible yellow, base green, tip black ; feet apple- 

 green. 



Male : T. L. 515 ; W. 221 ; Ta. 57 ; B. f. g. 79. 



Female: T. L. — ; W. 197 ; Ta. 52 j B.f.g. 71-5. 



-f- 18. Bubulcus coromandus (Bodd.). 



1 ? . Koh Lak. 



Iris pale yellow j bill deep yellow ; feet black, soles pale 

 olive. 



T. L. 525 ; W. 249;' Ta. 88 ; B. £. g. 77. 



FaLCONID/E. 



+ 19. Astur badius poliopsis (Hume). 



Micronisus poliopsis Hume, Stray Feathers, ii. 1874, 

 p. 325. 



1 c? ad. Koh Si Cbang, Inner Gulf of Siam. Jan. 1915. 



1 c? ad. Koh Lan, „ ,, Oct. 1916. 



1 ? ad. Koh Lak. 



1 cJ imm., 1 ? ad. Lat Bua Kao. 



Iris yellow or crimson, or crimson with a narrow outer 

 ring of yellow ; bill black, base grey, cere yellowish- 

 olive ; feet yellow, sometimes tinged with greenish ; claws 

 black. 



Males : T. L. — , 305, 310 * • W. 195, 188, 181 *. 



Females : T. L. 360, 355 ; W. 210, 205. 



The male from Koh Si Chang is an old bird, with pure 

 white thighs and the middle pair of tail-feathers entirely- 

 devoid of dark bars or spots. 



The immature male is brown above with a considerable 

 exposure of white on crown, nape, and scapulars; cheeks 

 and ear-coverts striped brown and white ; under surface 

 white with a brown median throat-stripe and dark patches 

 on the feathers, very elongate on the breast but becoming 

 broader than long on the flanks; thighs banded. 



All adults exhibit a grey throat-stripe. 



* Immature. 



