THE BIRDS OF THAILAND 17 



Accipiter virgatus gularis (Temminck and Schlegel) 



Astur (Nisus) gularis Temminck and Schlegel, in Siebold, Fauna 



japonica, Aves, pt. 1, 1844, p. 5, pi. 2 (Japan). 



Range: A visitor from northeastern Asia, reported on migration or 



in winter from the northern and eastern plateaus, the southeastern 



provinces, and coasts and islands of the Peninsula south of the Isthmus 



of Kra. 



Accipiter virgatus affinis Hodgson 



[Accipiter] affinis "Parbattiah"= Hodgson, Bengal Sporting Mag- 

 azine, new ser., vol. 8, October 1836, p. 179 (Nepal). 

 Range: A permanent resident on the eastern plateau, but generally- 

 distributed on migration or in winter from Chiang Rai south to Pra- 

 chuap Khiri Khan. 



Genus BUTEO Lacepede 



Buteo burmanicus burmanicus Hume 



[Buteo] burmanicus Hume, Stray Feathers, vol. 3, Nos. 1, 2 & 3, 

 January 1875, p. 30 (Thayetmyo District, Magwe Division, 

 Upper Burma). 

 Range: A visitor from northern Asia, reported on migration or in 

 winter from southern Tak (one example, December 21, 1959). 



Genus BUTASTUR Hodgson 



Butastur indicus (Gmelin) 



[Falco] indicus Gmelin, Caroli a Linne . . . Systema naturae, 

 ed. 13, torn. 1, pars. 1, 1788, p. 264 (Java, ex Latham). 

 Range: A visitor from northeastern Asia, reported on migration 

 or in winter from all parts of the country, but rare south of the Isthmus 

 of Kra. 



Butastur liventer (Temminck) 



Falco liventer Temminck, in Temminck and Laugier, Nouveau 

 recueil de planches coloriees d'oiseaux, [livre 74,] vol. 1, Sep- 

 tember 1627, pi. 438 and text (Celebes, Sumatra, Java, and 

 India). 

 Range: A permanent resident in deciduous forests of the northern 

 and eastern plateaus and once reported from the central plains. 



Genus SPIZAETUS VieiUot 



Spizaetus cirrhatus limnaeetus (Horsefield) 



Falco Limnaeetus Horsfield, Trans. Linn. Soc. London, ser. 1, 

 vol. 13, pt. 1, May 1821, p. 138 (Java). 

 Range: A permanent resident in forested areas of the central plains 

 and the Peninsula to the extreme South. 



