Coast and Islands of South-eastern Siam. 759 



a-c. 2 (J ad., 1 ? itnm. Koh Kut I., S.E. Siam. 

 29-30 Dec, 1914. 



d~ff. Ic?, 3 ? . Koh Chang I., S.E. Siam. 5-9 Dec, 

 1914. 



h. 1 S afl. Koh Rang I., S.E. Siam. 21 Dec, 1914. 



?', J. 1 ? ad., 1 ? imm. Ok Yam, Franco-Siamese 

 Boundary (on coast). 2 Jan., 1915. 



'^ Adult. Inner ring of iris dull crimson, outer greyish; 

 bill deep fleshy ; feet plumbeous. Immature. Iris dark ; 

 bill fleshy brown ; feet plumbeous blue. 



" A common bird in fairly open country and occurring less 

 frequently in forest. It has a harsh and very raucous note, 

 and one of its calls we often mistook for that of a small 

 Hawk."— C. B. K. 



Gyldenstolpe did not meet with this species, though he 

 records O. melanocephatus, which is not represented in 

 Kloss' collection, as very common over the whole of Siam. 

 Both species are met with in the vicinity of Bangkok (vide 

 Williamson, Journ. Nat. Hist. Soc Siam, i. 1914, p. 43). 



Buchanga cineracea mouhoti. 



Buchaiiga mouhoti Walden, Ann. Mag, Nat. Hist. (4) v. 

 1870, p. 220. 



Buchanga cineracea (Horsf.) ; Sharpe, Cat. iii. 1877, 

 p. 250. 



Dicrurus cineraceus (part.) Gyldenstolpe, p. 27. 



a-d. 4c? . Koh Chang I., S.E. Siam. 5-6 Dec, 1914. 



^}f- S ? ■ Ok Yam, Franco-Siamese Boundary (on 

 coast). 2 Jan., 1915. 



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



h. S • Koh Klum I., S.E. Siam. 18 Dec, 1914. 



" Iris crimson, blood-red, orange-red or brownish red ; 

 bill and feet black. A common bird in open country where 

 isolated trees and bushes occur." — C. B. K. 



The three female specimens are all decidedly darker and 

 less grey above, with the heads and tail more blackish, and 

 agree well with the description of B. nigrescens (Gates, 

 Faun. Brit. Ind,, Birds, i. 1889, p. 815j. They are, however, 



