1920.] List of the Birds of Siam. 751 



This Fisliiiio;-Eao;le is found in suitable localities tlirouo-h. 

 out the whole country. It is most common on the big- 

 swamps of central Siam, but I have also observed it along 

 the larger rivers of northern Siam. 



Family Stkigidje. 



Ketupa zeylonensis zeylonensis Glm. 



Stvix zei/lonensis Gineliii, Syst. Nat. i. pt. 1, 1788, p. 287 : 

 Ceylon. 



Distribution and occurrence in Siam still very imperfectly 

 known. Specimens have, however, been collected at Koon 

 Tan in northern, and at Chong and Ban Kok Klap in penin- 

 sular Siam. 



Ketupa ketupu Horsf. 



Strix ketupu Hursfield, Trans. Linn. Soc. Lond. xiii. 1821, 

 p. 141 : Java. 



Apparently a more southern form than the former species. 

 Occurs in peninsuh, r Siam, where specimens have been 

 collected at various localities. It has also been obtained at 

 Ok Yam in south-eastern Siam by Kloss. 



Bubo coromandus klossii Rob. 



Bubo coromandus klossii Robinson, Journ. Fed. Mai. States 

 Mus. iv. 1911, p. 246 : Guiionpj Semanggol, N. Perak. 



Obtained at Koh Lak in south-western, and .said to occur 

 in peninsular Siam. 



Huhua orientalis sumatrana Raffl. 



Strix sumatrana Ruffles, Trans. Linn. Soc. Lond. xiii. 

 1822, p. 279 : Sumatra. 



Stated to be widely distributed througliout peninsular 

 Siam, but rare and dilHcult to obtain. A single female 

 specimen was collected at Chong (Trang) by Robinson and 

 Kloss during their expedition, 1909-1910. 



Huhua nipaleusis Hodgs. 



Bubo nipalensis Hodgson, Asiat. Res. xix. 1836, p. 172 : 

 Nepal. 



Authentic specimens of the Forest Eagle-Owl have only 



SER. XI. — VOL. II. 3 B 



