760 On the Birds of South-eastern Siam, 



in more worn plumage than the males, while the differences 

 they present from the specimens re;>ardeil as B. c. mouhoti 

 may also be partly sexual, so that in default of a larger series 

 it would be unsafe to regard the two races as occurring 

 together in the same district. 



Buchanga leucogenys. 



Buchanga leucogenys Walden ; Sharpe, Cat. iii. 1877, 

 p. 251. 



Dicrurus leucogenys Robinson & Kloss, Ibis, 1911, p. 72. 



a-c. \S, 2?. Koh Kut I., S.E. Siam. 23-28 Dec, 

 1914. 



^. 1 ? . Ok Yam, Franco-Siamese Boundary (on coast). 

 3 Jan., 1915. 



"Iris hazel or reddish hazel; bill and feet black. Also 

 observed on Koh Chang." — C. B. K. 



Disseimirus paradiseus paradiseus. 



Dissemurus paradiseus (Linn.) ; Sharpe, Cat. iii, 1877, 

 p. 258 ; Gyldenstolpe, p. 28. 



a. ? . koh Chang I., S.E. Siam. 10 Dec, 1914. 



h. ? . Klong Yai, S.E. Siam. 5 Jan., 1915. 



c. ? imm. Klong Menao, S.E. Siam. 9 Jan., 1915. 



" Iris crimson or brown ; bill and feet black.^' — C. B. K. 



The bird from Siam is the typical race, originally described 

 from Siam by Brisson. Birds from the Malay Peninsula 

 and from Sumatra, Borneo, and Java appear to have the 

 feathers of the crest shorter and somewhat less recurved. 



Bhringa remifer. 



Bhringa remifer (Temm.) ; Sharpe, Cat. iii. 1877, p. 257. 



a,h. 2 ? . Klong Menao, S.E. Siam. 9-11 Jan., 1915. 



'' Iris crimson ; bill and feet black. 



''In the Malayan region this bird is scarcely met with 

 below 3000 ft., where the previous species is common. In 

 south-east Siam, however, I found both species living side 

 by side at the sea-level." — C. B. K. 



With somewhat shorter shafts than is usual in fully 

 developed Malayan birds, but not otherwise differing. 



