77^ Count Nils Gyldeustolpe : A Nominal [Ibis, 



Sterna ansBtheta Scop. 



Sterna ancef/ietus Scopoli, Del. Florae et Faunae Insubr. ii. 

 1786, p. 92 : Philippines. 



Found on tlie islands oF Koli Phai and Koh Rin in the 

 Inner Gulf of Siain. It breeds here and probably also on 

 some of the neighbouring islands. 



Sterna sumatrana Raffl. 



Sterna sumatrana Raffles, Trans. Linn, Soc. Lond. xiii. 

 1822, p. 329 : Sumatra. 



Found breeding in large numbers on Koh Phai and Koh 

 Rin, islands situated in the Inner Gulf of Siam. Also 

 recorded from Koh Pennan, off the eastern coast of penin- 

 sular Siam. 



Sterna dougallii Mont. 



Sterna doiigalUi Montagu, Ornith. Diet., Suppl. 1813 : 

 Scotland. 



Obtained on Koh Pennan and on Koh Rin. According to 

 Williamson not uncommon at certain seasons at the head of 

 the Gulf of Siam. 



Sterna seena Sykes. 



Sterna seena Sykes, P. Z. S. Lond. 1832, p. 171 : Deccan. 



Authentic specimens of the Indian River Tern have been 

 recorded from several localities in south-western and penin- 

 sular Siam. Hitherto not obtained in the northern districts. 



Anous stolidus pileatus Scop. 



Sterna pileata Scopoli, Del. Florae et Faunae Insubr. ii. 

 1786, p. 92 : Philippines. 



The Noddy has recently been found breeding on a small 

 islet a few miles south of Koh Chuan in the Inner Gulf of 

 Siam. 



Family Anatid^. 



Sarkidiornis melanotus melanotus Penn. 

 Anser melanotus Pennant, Ind. Zool. 1769, p. 12, pi. xi. : 

 Ceylon. 



The Comb-Duck appears to be rather rare in Siam. 



