142 Lloyd's natural history. 



curved. Feet in both sexes provided with a pair of stout spurs 

 Sexes quite different. 



Only two species are known. 



I. THE LONG-BILLED FRANCOLIN. RHIZOTHERA LONGIROSTRIS. 



Perdix loiiglrostris, Temm. Pig. et Gall. iii. pp. 323, 721 (181 5) 



[male]. 

 Tetrao curvirostris, Raffl. Trans. Linn. Soc. xiii. p. 323 (1822) 



[female]. 

 Francolinus longirostris, J. E. Gray, 111. Ind. Zool. ii. pi. 45, fig. 



2 (i833-4)- 



Rhizothera longlrostris, G. R. Gray; Kelham, Ibis, 1882, p. 4; 

 Ogilvie-Grant, Cat. B. Brit. Mus. xxii. p. 183 (1893). 



Adult Male. — Top of the head rich brown ; general colour 

 above chestnut, blotched with black, shading into grey, mixed 

 with buff on the lower back and upper tail-coverts ; sides of 

 head and throat reddish-chestnut; neck, chest, and upper 

 mantle grey ; rest of under-parts rufous-buff. Total length, 

 14*6 inches; wing, 77 ; tail, 3*5 ; tarsus, 2*2. 



Adult Female. — Differs from the male in having the neck and 

 chest rufous-chestnut, and the lower back and upper tail-coverts 

 mostly buff. Slightly smaller than the male. 



Range. — Southern part of the Malay Peninsula, and extend- 

 ing to Sumatra and Borneo. 



II. HOSE'S LONG-BILLED FRANCOLIN RHIZOTHERA 

 DULITENSIS. 



Rhizothera dullle/isls, Ogilvie-Grant, Bull. Brit. Orn. Club, iv. 

 p. xxvii. (1895). 



{Plate XI c.) 



Adult Male. — Easily distinguished from the male of R. lougi- 

 rostris by having the whole chest and breast grey, and the rest 

 of the under-parts white. 



Adult Female. — Differs from the female of R. lofigi?'Ostris in 

 its generally richer colouring and in having the general colour 

 t)f the outer wing-coverts dark brown, with comparatively few 

 buff markings. 





