1 64 Allen's naturalist's library. 



"Though greatly affecting dense forests, these birds are also 

 partial to bamboo-jungle 



" Their call, which is often heard, especially towards dusk, is 

 a rolling whistle, whew, whew, repeated many times, and wind- 

 ing up with a sharper and more quickly uttered wheiv. The 

 sound is very easily imitated, and the birds are easily enticed 

 to approach one by the imitation, and this is the way in which 

 natives usually secure them. 



"This species certainly perches at times, for I have seen one 

 fly down from a small tree." 



Nest. — A mere lining of leaves and twigs placed in a slight 

 depression at the foot of a large tree {Cripps). 



Eggs. — Four in number; pure white, broad ovals, rather 

 pointed towards the small end; shell fine, rather glossy. 

 Average measurements, i'38 by i*i2 inch. 



HI. THE HAINAN TREE-PARTRIDGE. ARBORICOLA ARDENS. 



Arboricola ardens, Styan, Ibis, 1893, pp. 56, 436, pi. xii. ; 

 Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 210 (1893). 



Adult Male. — In general plumage like A. atrigularis, but with 

 an orange-red patch of feathers on the fore-part of the neck and 

 middle of the chest, the sides of the neck and under-parts 

 being faintly washed with the same colour. Total length, 8 

 inches; wing, 4*8; tail, 1*75; tarsus, 1-3. 



Range. — Mountains of Hainan. 



This remarkable species is at present only known from a 

 single skin, the property of Herr Schmacker. 



IV. THE FORMOSAN TREE-PARTRIDGE. ARBORICOLA 

 CRUDIGULARIS. 



Oreoperdix criidigularis, Swinhoe, Ibis, 1864, p. 426. 

 Arboricola criidigularis, Blyth; Ogilvie-Grant, Cat. B. Brit. Mus. 

 xxii. p. 211 (1893). 

 Adult Male and Female. — Very similar to A. afrigularis, but the 

 barring on the back is wider and darker ; the chin, upper-part 



