107 



uncertainty. They appear, however, to belong to this form and not to 

 the more northern S. sordida, Hume, which is found on Mt. Muleyit 

 in Central Tenasserim. 



101. HERPORNIS ZANTHOLEUCA. 



Herpornis zantholeiica (Hodgs.) ; Sharpe, tom. cit., p. G36 ; 

 Robinson and Kloss, tom. cit., p. 63. 



Eleven skins from the lower slopes of Kao Nawng, where it was 

 one of the commonest birds. 



lo.i. PTERYTHIUS iERALATUS. 

 Pterythius xralatus (Tick.) ; Gadow, Cat. Birds Bi'it. Mus., viii, 

 p. 114 (1883) ; Gates Faun. Brit. Ind. Birds, i, p. 225 (1889). 



A very common species above 2,000 feet on Kao Nawng. 



"Iris chestnut, bill black on culmen, remainder plumbeous, feet 

 pale flesh, claws dark. " 



lOtJ. MESIA ARGEXTAURIS. 



Mesia argentauris (Hodgs.) ; Sharpe, tom. cit., p. 642. 



Apparently qiiite common above 3,000 feet ; five specimens were 

 obtained by the Dyaks in the vicinity of the upper camp on Kao 



Nawng. 



TROGLODYTID^. 

 107. PNCEPYGA PUSILLA. 



Fnoepyga pusilla, Hodgs. ; Sharpe, Cat. Birds Brit. Mus., vi, 

 p. 304 (1881). 



A pair of hill-wrens from near the summit of Kao Nawng at 

 about 4,000 feet differ from others from the southern parts of the 

 Peninsula, of which the Museum possesses a large series in being rather 

 duller above and in having the lower surface much less strongly 

 squamate. They are probably referable to the above-named s])ecies, 

 which has been found as far south as Muleyit Mountain in Central 

 Tenasserim, while the southern Malayan specimens have been identified 

 with Ph. lepida, Salvad. from the mountains of Sumatra. 



TURDID^. 

 108. HYDROCICHLA RUFICAPILLA. 

 HydrociMa rufimpilla (Temm.) ; Sharpe, Cat. Birds Brit. 

 Mus., vii, p. 319 (1885). 



Very common along the rocky streams on Kao Nawng. 



" Iris chestnut, bill black, feet pale lilac flesh." 



109. HYDROCICHLA FRONTALIS. 



Hydrocichla frontalis (Blyth) ; Sharpe, Cat. Birds Brit. Mus., vii, 

 p. 321 (1885) ; Robinson and Kloss, tom. cit., p. 64. 



On Kao Nawng, but much rarer than the preceding. 



