148 MESSRS. ROBINSON AND KLOSS ON 



The Southern Malay Peninsula birds differ very slightly in 

 having the bars on the secondaries and wing coverts rather closer 

 together in both sexes than in the northern form. Both differ from 

 the typical Javan bird in having the rump uniform chestnut without 

 any wash of zanthine orange. 



The species is generally distributed throughout the area 

 under consideration, where it is, broadly speaking, very much com- 

 moner than it is in the more Southern Malay districts. 



231. Pyrotrogon orrophaeus Cab. & Heine. 



Pyrotrogon orropkcp.us, Cab. <fc Heine, Mu.s. Hein., Th. iv, 1863, 

 p. 156 (Malacca ; B., p. 60 (Malay Peninsula \ 



The specimen recorded by Muller from the Malay Peninsula 



probably came from the neighbourhood of Junk Seylon! The most 



northerly example of P. orropli<jeus obtained by us is one from a few 



miles north of Taiping in Perak : it is apparently a very rare bird in 



the Malay States. 



232. Pyrotrogon duvauceli (Temm.). 



Troqon duvauceli, Temminck, PI. Col., 1824, pi. 291 (Sumatra). 

 Harpactes duvauceli, A., pp. 63, 498 (Nwalabo to Malewoon) ; E., 

 p. 1C6 (Patani) ; M. p. 437 (Tung Song, Peninsular Siam). 



2 •'. Tasan, Chumporn, Peninsular Siam, 22-28 March 1919 

 (Nog. 4785, 4914). 



" Iris dark ; supraorbital region silvery cobalt, infraorbital 

 white ; bill smalt, deeper at gape, culmen black ; feet purplish." 



Total length 225, — ; wing 103, — ; tail 133, — ; tarsus 10, 

 — ; bill from gape 23, — mm. 



We can see no tangible differences between Northern Malay, 

 Southern Malay, Sumatran and Bornean birds ; but our series from 

 the two latter regions is poor. 



A. Hume, & Davison, Stray Featlieis, vi, 1878. E. O. Grant, Fasciculi Malayenses, iii (Birds), 19a''). 



B. Miiller, Die Ornis der InselalanKa, 188-2. F. Rolnnson and Kloss, Ibis, 1910-11. 



C. Oates, Birds Brit. Burniah, Vols. i. ic ii88;{. C. (iairdner, .Tonrn. X.H. Soc. Siam, i, 191.5. 



D. Bonhote, P.Z.S. 1901, Vol. i: H. Robinson, Journ. F. M. S. Museums, v, 191.'5. 



JOURN. NAT. HIST. SOC. SIAM. 



