Coast 071(1 Islands of South-eaateryi Siam. 723 



say, to drink the salt water. Until more, therefore, is known 

 of local migrations and the routes followed, it is dangerous 

 to dogmatise on apparent differences in the races inhabiting 

 adjacent land areas separated only by narrow belts of sea. 



Osmotreron bicincta domvilii. 



Osinotrcron domvilii Swinh. Ibis, 1870, p. 354. 



Osmotreron bicincta (Jerd.) ; Salvad. (part.) Cat. xxi. 

 1893, p. 57. 



Treron bicincta domvilii Hartert, Nov. Zool. xvii. 1910, 

 p. 193. 



Osmotreron bicincta domvilii Stuart Baker, p. 48. 



a. \ $ . Ok Yam, Franco-Siamese Boundary (on coast). 

 3 Jan., 1915. 



The single specimen noted appears to belong to this form ; 

 the grey nuchal patch is decidedly less extensive than is 

 the case in a small series from the Malay Peninsula with 

 which I have compared it. Wing 149 mm. 



" Shot in company with 0. vernans." — C. B. K. 



Osmotreron vernans. 



Osmotreron vernans (Linn.) ; Salvad. Cat. xxi. 1893, p. GO; 

 Stuart Baker, p. 59. 



a,b. Ic?, 1 $ . Koh Chang I., S.E. Siam. 5-11 Dec, 

 1914. 



<■'-/• 3cJ, 1 ? . Ok Yam, Franco- Siamese Boundary (on 

 coast). 1-3 Jan., 1915. 



^. 1 ? . Lem Ngop, S.E. Siam. 15 Jan., 1915. 



"Male : Iris yellow, reddish yellow, or inner ring blue, 

 outer lilac ; feet pale plumbeous, cere greenish, feet maroon. 

 Female : Iris pale purple (mauve) ; bill, tip pale plumbeous, 

 base yellowish green; leet maroon. 



''Extremely common at Ok Yam, where it frequented the 

 single, and small clumps of, trees dotted about the common 

 land surrounding the village."' — C. B. K. 



Differs neither in size nor colour from Malayan specimens. 



Carpophaga aenea. 



Carpophaga cEnea (Linn.) ; Salvad. Cat. xxi. 1893, p. 190 ; 

 Gyldenstolpe, p. 66 ; Stuart Baker, p. 91, pi. vii. 



SER. X. VOL. III. 3 c 



