THE TREE-PARTRIDGES. 165 



of the throat and fore-neck are white, and the lower part of the 

 throat black. Total length, 9*5 inches; wing, 5-5; tail, 2-2; 

 tarsus, 1-55. 



Range. — Mountains of the interior of Formosa. 



V. THE ARACAN TREE-PARTRIDGE. ARBORICOLA INTERMEDIA. 



Arboricola intermedia, Blyth, J. As. Soc. Beng. xxiv. p. 277 

 (1856) ; Hume and Marshall, Game Birds of India, ii. 

 p. 85, pi. (1879); Oates, B. Burmah, ii. p. 327 (18S3); 

 and ed. Hume's Nests and Eggs Ind. B. iii. p. 440 

 (1890); Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 211 

 (1893). 

 Adult Male and Female. — Upper-parts olive-brown without black 

 bars on the back, though sometimes the feathers have dusky 

 margins ; otherwise the plumage is much like that of the female 

 of A. torqueola, but the chin and throat are black, and the fore- 

 neck bright rufous. 



Range. — North-eastern India, extending from the Garo and 

 Naga Hills to the borders of Arakan and Pegu and eastwards 

 to Bhamo. 



VI. THE RUFOUS-THROATED TREE-PARTRIDGE. AEBORICOLA 

 RUFIGULARIS. 



A?-boricola rufogularis, Blyth, J. As. Soc. Beng. xviii. p. 819 



(1849) » Hume and Marshall, Game Birds of India, ii. p. 



75, pi. (1879) ; Oates, ed. Hume's Nests and Eggs Ind. 



B. iii. p. 439 (1890) j Ogilvie-Grant, Cat. B. Brit. Mus. 



xxii. p. 212 (1893). 

 Adult Male and Female. — Resemble the sexes of A. interm. d:a, 

 but the feathers of the chin and throat are rust-red spotted with 

 black, as in the female of A. torqueola; from the latter they 

 are easily distinguished by the absence of black bars on the 

 back. Total length, 11 inches; wing, 5*6; tail, 2*3; tarsus, 



Range. — Lower outer ranges of the Himalayas from Kum; on 



