THE TREE-PARTRIDGES. 



l6l 



Pcrdix ?nei:iapodi(i, Temm. PL Col. v. pis. 35 and 36 [Nos. 462, 



463] (1828). 

 Ferdix olivacea, J. E. Gray, 111. Ind. Zool. i. pi. 57 (1830-32). 

 Arhoricola torqueola^ Hume and Marshall, Game Birds of 



India, ii. p. 69, pi. (1879); Ogilvie-Grant, Cat. B. Brit. 



Mus. xxii. p. 207 (1893). 

 Adult Male. — Crown bright chestnut ; back olive-brown, barred 

 -with black ; wing widely margined with chestnut, and blotched 

 v.'ith black on the coverts ; sides of the face and throat black, 



Fig. 2. 



the feathers more or less edged with white ; fore-neck white ; 

 chest grey, shading into white on the under-parts ; flank- 

 feathers grey^ edged with chestnut and with a ivhite central spot. 

 Total length, 11 '8 inches; wing, 6; tail, 27; tarsus, 17. 



Adult Female. — Differs chiefly from the male in having the 

 crown brown with black shaft-stripes; the sides of the face, 

 throat, and neck rust-coloured^ spotted with black; and the white 

 central spots on the flank-feathers much larger. 



rather a distinct group of Arhoricola, and on examination we find that the 

 supra-orbital chain of bones is wanting in both species (fig. 2), This being 

 the case, Mr, Elan ford proposes, very rightly as we think, to place these 

 two species in a difterent genus, for which the name Tropicoperdix, Blyth, 

 has already been proposed. 



9 M 



