Coast and Islands of South-eastern Siam. 735 



ff. I (^ . Klong Menao, S.E. Siam. 11 Jan., 1915. 

 "Iris crimson; bill black; feet leadea brown. C/ommon 

 in open country/' — C. B. K. 



Caprimulgns macrurus ambiguns. 



Capriniuigusmacrurus ambiyuus Hartert, Ibis, 1896^ p. 373; 

 Gyldenstolpe, p. 57. 



a. ? vix ad. Ok Yam, nr. Franco-Siamese Boundary 

 (on coast). 1 Jan., 1915. 



"Iris dark; bill, fleshy, tip black; feet fleshy brown. 

 Observed also on Koh Chang, but nowhere common.'^ 

 — C. B. K. 



Not differing from Malay Peninsula specimens. 



Lyncornis cerviniceps. 



Lyncornis cerviniceps (Gould) ; Hartert, Cat. svi. 1892, 

 p. 604; Robinson & Kloss, Ibis, 1911, p. 38. 



a-c. 1 (J , 2 ? . Klohg Yai, S.E. Siam. 7 Jan., 1915. 



" Iris dark ; bill horny pink ; feet dull blackish purple. 



"Appears in this part of Siam largely to replace the 

 smaller Caprimulgi ; about Klong Yai village it was very 

 common at dusk, but I never remember hearing it utter any 

 kind of cry.''— C. B. K. 



Not hitherto recorded eastward of the Sal win watershed. 



Pyrotrogon erythrocephalus. 



Harpactes erytlirocephalus Gould ; Ogilvie-Grant, Cat. 

 xvii. 1892, p. 488; Gyldenstolpe, p. 57. 



a. 1 ? . Kloug Menao, S.E. Siam. 11 Jan., 1915. 



" Iris dark ; orbits and cheek-skin violet ; bill cobalt ; 

 culmen, tips, and edges black ; feet purplish fleshy." 

 — C. B. K. 



I can detect no differences between this single female and 

 a series of the same sex from the hills of the Malay Peninsula. 

 The size is apjjarently slightly less. 



Pyrotrogon erythrocephalus klossi, subsp. nov. 



A race of P. erythrocephalus distinguished at a glance 

 from the typical form by the brilliance of its colouring, the 

 red parts of the plumage lacking all tinge of crimson-lake, 

 while the chestnut parts are clearer and less ochraceous. 



