14.4, 
to Koh Samui. Tropical specimens are said to be smaller than those 
from northern seas. The one before us has the wing about 13.5 and 
the culmen 2.6 inches. 
FALCONID Zi. 
21. SPIZETUS LIMNAETUS, 
Spizaetus limnaetus (Horst.); Sharpe, Cat. Birds Brit. Mus., i, 
p. 272 (1874) ; Robinson and Kloss, tom. cit., p. 23. 
Two females from Koh Pennan, one in the ordinary and the 
other in the melanotic phase. 
22. SPILORNIS PALLIDUS. 
antea, p. 90. 
Rather more richly coloured than the specimen from the mainland. 
“Female, iris bright yellow, bill and feet greenish lead, cere 
yellowish.” 
23. HALIASTUR INTERMEDIUS. 
Hahastur intermedius Gurney; Sharpe, tom. cit. p. 314; 
Robinson and Kloss, tom. cit., p. 24. 
The local form of the Braminy Kite is common everywhere along 
the sea coast and for some distance inland in open country. 
24, HALIAETUS LEUCOGASTER. 
Haliaetus leucogaster (Gm.) ; Sharpe, tom. cit., p. 307; Robinson 
and Kloss, tom. cit., 0.23. 
Two adults and an immature bird were obtained on Koh Samui 
and Koh Pennan on both of which islands it was very common. 
The immature specimen is in a somewhat peculiar stage of - 
plumage resembling birds from Langkawi which we have, as | am 
now inclined to think incorrectly, referred to H. leucocoryphus 
(Robinson and Kloss, tom. cit., p. 24). 
PANDIONID A. 
25. POLIOAETUS ICHTHYAETUS. 
Polioaetus ichthyaetus (Horsf.); Sharpe, tom. cit., p. 402 ; 
Robinson and Kloss, tom. cit., p. 30. 
An adult male from Koh Pennan. 
CORACIID As. 
26. EURYSTOMUS ORIENTALIS. 
Eurystomus orientalis inn.) ; Sharpe, Cat. Birds Brit, Mus., xvii, 
p- 33, pl. ii, fig. 1 (1892); Robinson and Kloss, Ibis., 1911, p. 32, 
Stresemann, Noy. Zool., xx, pp. 298-301 (1913). 
A male and two females from Koh Samui and Koh Pennan 
belonging to the black-tailed form and therefore nearer to the true 
E. orientalis than to its subspecies.. H. orientalis calonyx (e. f. 
Stresemann, loc. cit. supra). 
‘“‘ Male, bill and feet coral, tip of bill and claws brownish black, 
orbital skin brownish red, iris dark hazel.,”’ 
