292 MESSRS. ROBINSON AND KLOSS ON 



In February-April ]922 we obtained further specimens on 

 Khao Ram, 1,000 ft., and Khao Luang, 2,000 ft., in Nakorn Sri- 

 tamarat. This is a more richly coloured race than the typical form. 

 405. Drymocataphus capistratus nigricapitatus (Eytou). 



Brachypteryx nigricapitata, Eyton, P. Z. S. 1839, p. 103 (jNIalacca). 

 Drymoc!:('2)itatus nigricapitatus, A., p. 275 (Bankasoon, Malewoon) ; 



C. i, p. 63 (South Tenasserim) ; F., p. 60 (Trang) ; H., p. 104 



(Bandon) ; M., p. 185 (Tung Song). 

 Pellorneum nigricapitatum, M, 2, p. 246 (Tenasserim ; S. W. Siim; 



Malay Peninsula). 



7 c? , 2 $ . Tasan, Chumporn, P. Siam 15-20 March 1919 [Nos. 

 4615, 4617, 4621, 4649, 4721, 4760, 4824-5, 4866]. 



"Iris red ; upper mandible black, lower slate ; feet j)urplish 

 brown". 



Total length 6 , 160, 167, 171, 170, 170, 170, 161,; 9 , 162, 

 170 : wing 6 , 68, 70, 58, 70, 72, 68, 65 ; $ , 67, 72 ; tail d , 62, 64, 

 63, 65, 64, 58, 58 ; $ ,54, 65 ; tarsus d , 29:5, 28, 30, 31, 29, 32, 30; 

 2 , 31, 31 : bill from gape d , 24, 22, 21.5, 21, 24, 24, 23 ; $ , 22, 

 23 mm. 



Found only in evergreen forest, usually amongst dense under- 

 growth : here attaining its northern limit. 



406- Aethostoma rostratum rostratum (Blyth). 



Trichastoma rostratum, Blyth, Journ. Asiat. Soc. Bengal, xi, 1842, 



p. 795 (Singapore). 

 Trichastoma rostratum, C. i, p. 56 (MaleAVOon). 

 Aethostoma rostrata, M. 2, p. 259 (S. Tenasserim ; Malay Peninsula). 



2 d, Tasan, Chumporn, P. Siam, 20-23 March 1919 [Nos. 4722, 

 4812]. 



"Iris sienna; upper mandible dark horn, lower slate, tomia 

 and gape yellow ; feet pale flesh". 



Total length 154, 155; wing 67, 68; tail 53, 58; tarsus 25, 

 27 ; bill from gape 23, 23, mm. 



This rare ground-babbler has not hitherto been recorded from 

 the kincrdom of Siam. 



A. Hume «S: Davison, Stray Feathers, vi, 1878. E. O. Grant, Fasciculi Malayenses, iii {Birds\ 1905. 



B. Miiller, We Ornis der Insel Halanga, 1882. F. Robinson and Kloss, n)i9. 1910-11. 



C. Oatcs, Birds Brit. Burmuli, Vols. i. &ii,l«83. C. Gairdner, .Journ. X.H. Soc. Siam, i, 1915. 



D. Bonhote, l\ Z. H. 1901, Vol. i. H. Robinson, Joiun. F. M. S. Museums, v. 191 j. 



JOURN. NAT. HIST. SOC. SIAM. 



