THE BIRDS OF THAILAND 169 



Zoothera dauma affinis (Richmond) 



Oreocincla horsfieldi affinis Richmond, Proc. Biol. Soc. Washington, 

 vol. 15, No. 29, June 25, 1902, p. 158 (lOiao Nok Ra [lat. 

 7°25' N., long. 99°55' E.], Trang Province, Thailand). 

 Range: The peninsular provinces south of the Isthmus of Era 

 (Nakhon Si Thanmiarat, Trang). 



Zoothera marginata Blyth 



Z[oothera]. marginata Blyth, Journ. Asiatic Soc. Bengal, vol. 16, 



pt. 1, [not earlier than February] 1847, p. 141 (Arakan Division, 



Burma) . 



Range: Evergreen forests of the northern plateau, the northwestern 



portion of the eastern plateau, the southeastern provinces, and of the 



western provinces south to southern Tak. 



Genus TURDUS Linnaeus 



Turdus dissimilis dissimilis Blyth 



T[urdus]. dissimilis Blyth, Journ. Asiatic Soc. Bengal, vol. 16, 

 pt. 1, [not earlier than February] 1847, p. 144 (". . . Lower 

 Bengal . . . the Himalaya" [error?]; type locality [inferen- 

 tially] restricted to Lower Bengal, by Stuart Baker, The fauna 

 of British India, Birds, ed. 2, vol. 7, 1930, p. 117). 

 Range: Reported only from the northwestern portion of the north- 

 ern plateau (Chaiya Prakan). 



Turdus boulboul yaoschanensis Yen 



Turdus boulboul yaoschanensis Yen, Bull. Mus. Nat. Hist. Natur. 

 [Paris], s6r. 2, tome 4, No. 4, [not earlier than June 18,] 1932, 

 p. 380 (Yaoshan Range, Kwangsi Province, China). 

 Range: A visitor from the North, reported on migration or in winter 

 from the western portion of the northern plateau (Chiang Mai). 



Turdus obscurus obscurus Gmelin 



[Turdus] obscurus Gmelin, Caroli a Linn6 . . . Systema naturae, 



ed. 13, tom. 1, pars 2, 1789, p. 816 {"in Sibiriae silms, ultra 



lacum Baical"). 



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



in winter from the northern plateau, the northwestern portion of the 



eastern plateau (Loei), and the western and peninsular provinces 



south to Satun. 



