THE BIRDS OF THAILAND 175 



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

 winter from the northern plateau (Chiang Rai, Chaiya Prakan, 

 Chiang Mai, Lamphun) and the northwestern portion of the eastern 

 plateau (Loei). 



Phylloscopus davisoni disturbans (La Touche) 



Acanthopneuste trochiloides disturbans La Touche, Bull. Brit. Orn. 

 Club, vol. 43, No. 271, Oct. 27, 1922, p. 22 (Mengtsz [lat. 

 23°23' N., long. 103°27' E.], Yunnan Province, China). 

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

 winter from the northern plateau (Chiang Mai, Nan) and the north- 

 western portion of the eastern plateau (Loei). 



Phylloscopus davisoni davisoni (Gates) 



Acanthopneuste davisoni Gates, Fauna of British India, Birds, 



vol. 1, 1889, pp. 412 [in key], 420 (Mulayit Taung [lat. 16°ir 



N., long. 98°32' E.], Amherst District, Tenasserim Division, 



Burma) . 



Range: Resident on the higher mountains of the northern plateau 



(Chaiya Prakan, Chiang Mai, Nan). 



Phylloscopus davisoni intensior Deignan 



Phylloscopus davisoni intensior Deignan, Proc. Biol. Soc. Wash- 

 ington, vol. 69, No. 36, Dec. 31, 1956, p. 209 (Khao Kuap 

 [lat. 12°25' N., long. 102°50' E.], Trat Province, Thailand). 

 Range: Reported only from the southeastern provinces (Trat). 



Phylloscopus ricketti ricketti (Slater) 



Cryptolopha ricketti Slater, Ibis, ser. 7, vol. 3, No. 10, April 1897, 

 p. 174, pi. 4, fig. 2 (Kuatung, Fukien Province, China). 

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

 winter from the northern plateau (Chiang Mai) and the northwestern 

 portion of the eastern plateau (Phetchabun). 



Genus PHRAGAMATICOLA Jerdon 



Phragamaticola aedon (Pallas) 



Muscicapa Aedon Pallas, Reise durch verschiedene Provinzen 



des russischen Reichs, vol. 3, 1776, p. 695 (". . . in rupestribus, 



apricis Dauuriae crebra, canora etiam noctu"; type specimen 



from the mountains between the rivers Brozya and Gnon, 



Chita Province, Russian SFSR, Jide Pallas, ibid., p. 229 



[where called M. rupicola, nomen nudum]). 



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



winter from the northern and eastern plateaus, the central plains, 



and the western and peninsular provinces south to Krabi. 



