1920.] List of the Birds of Siam. 743 



Family Vulturid^. 



Otogyps calvus Scoj). 



Vultiir calvus 8co[)oli, iJel. Florae ct Fauiise Insubr.ii. 1786, 

 p. 85 : India. 



The Black Vulture is very common in central, south- 

 western, and peninsular Siam. 



Pseudogyps bengalensis Gm. 



Vultur bengalensis Gnielin, Syst, Nat. i. pt. 1, 1788, p. 245 : 

 Bengal. 



The Indian White-backed Vulture is rather abundant 

 throughout the whole country, though it seems to avoid the 

 more densely wooded parts. 



Gyps indicus tenuirostris Hodgs. 



Gyps tenuirostris Hodgson in Gray, Gen. Birds, i. 1844, 

 p. 6 : Nepal. 



Autlientic specimens ot" the Himalayan LoJig-billed Vulture 

 have only been recorded from Bangkok and Sakerat (E.Siani), 

 but it most probably occurs together with the other species 

 o£ Vultures, though apparently more rare. 



Family Falconid^. 



Spizaetus cirrhatus limnaetus Horsf. 



Falco limnaetus Horsfield, Trans. Linn. Soc. Lond. xiii. 

 1821, p. 138 : Java. 



Sparsely distributed throughout Siam. It, however, ap- 

 pears to be more abundant in south-western and peninsular 

 Siam, where it breeds. It generall}' atlects low country, 

 and is seldom met with among the mountains. Specimens 

 recorded from Lamra (Trang), Kampong Jalor, Koh Lak, 

 Nong Kok, Meh Taw, Koon Tan, and Koh Pennan. 



Spizaetus nipalensis nipalensis Hodgs. 



JMsaetus nipalensis Hodgson, Journ. Asiat. Soc. Bengal, v. 

 1836, p. 22U : Nepal. 



Apparently very lare, and hitherto only recorded from 

 Pulu Terutau and from Hue Sai, north-west of Koh Lak, 

 S.W. Siam. 



