67. Arboricola mandellii.
THE BHUTAN HILL-PARTRIDGE.
Male 8 1/2" to 11". Legs red. Bill black. Crown chestnut. Back olive, margined, not barred. Cheeks rust-red, spotted black. Lower margin of rufous throat with sharply defined black line. Breast maroon. Patch in neck pure white. Planks grey, with central white spots and chestnut edges. Sikkim. (H. & M. ii. 83.)
Also A. orientalis. Horsfield's H. P. from E. Java. 11". Eyebrow, cheek, and throat white. Above dark brown, fringed blackish. Flanks grey, irregularly barred black and white.
A. sumatrana. The Sumatran H. P. Differs from A. orientalis in having the back fringed and barred, no white eye-stripe, and flank-feathers with triple bands.