Genera Bambusicola and Arboricola. 391 



c'. Chill, upper part of throat, and front 

 of neck white, lower part of throat 



black A. crudiffularis, J 2 • 



b^. Upper back uniform olive-brown, not 

 barred with black ; sometimes some 

 of the feathers are slightly fringed 

 with black at their extremities. 

 c'. Chest grey; top of the head olive- 

 brown, each feather edged with 

 blackish brown. 

 d^. Front of the neck bright rufous. 



a*. Chin and throat black A. intermedia, (S 2 • 



b^. Chin and throat rufous, thickly 



spotted with black A. rufogularis, J 5 . 



e'. Front of the neck black, separated 

 from the chest by a narrower 

 white and a wider dark chestnut 



band A. yingica, S $ • 



d"^. Chest and top of the head chestnut ; 

 chin and throat bright rufous ; 

 front of neck white, divided from 

 the chest by a narrow black band. . A. mandellii, S 2 ■ 



b. Feathers of the sides and flanks uniform 



chestnut A. javanica, J 5 • 



c. Feathers of the sides and flanks black, 



with narrow wide-set white bars A. rubrirostris, J $ . 



d. Feathers of the sides and flanks each with 



a large subterminal white spot, partially 



or wholly bordered with black. 

 c'. Chest brownish ochre or olive-bufi"; 

 scapulars chestnut at the extremity ; 



superciliary stripe pale buff A. brimneopectus, S 2 • 



d^. Chest bright rust-red or reddish chest- 

 nut ; scapulars olive-brown at the 

 extremity. 



e'. Superciliary stripe grey A. hyperythra. 



f^. Superciliary stripe rust-red A. erythi-ophrys, J 2 ■ 



e. Feathers of the sides and flanks greyish, 



widely barred with white and black at 

 the extremit3\ 

 e\ Feathers of the back dark olive-brown, 



faintly margined with blackish .... A. orientnlis. 

 /'. Feathers of the back golden brown, 



fringed and barred with black A. sumatrana. 



