474 Count Nils Gyldenstolpe : A Nominal [Ibis, 



Phylloscopus "borealis borealis Bias. 



Pkyllopneuste borealis Blasius, Naumannia, 1858, p. 313 : 

 Ocliotskan Sea. 



Appears to be common during the winter months. 



Phylloscopus borealis xanthodryas Swinh. 



Pliylloscopus xantlcodryas Swinhoe, P. Z. S. LonJ. 18G3, 

 p. 296 : Amoy, China. 



Recorded from Kao Song, Lat Bua Kao, Koh Lak, and 

 from Koh Pennan and Pulu Butang. 



Phylloscopus occipitalis coronata Temm. & Schleg. 



Ficedula coronata Temminck & Schlegel in Siebold's 

 Fauna Japon., Aves, 1847, p. 48, pi. 18 : Ja})an. 



Obtained at Lat Bua Kao, Koh Lak, and Tung Song, as 

 well as on Puket. 



Phylloscopus nitidus plumbeitarsus Swinh. 

 Pliylloscopus plumheitarsus Swinhoe, Ibis, 1801, p. 300 : 

 between Taku and Peking. 



Recorded from Koh Lak, Den Chal, and Xon Luum. 



Phylloscopus superciliosa superciliosa Gm. 



Motarilla superciliosa Gmelin, Syst. Nat. i. 1788, p. 975 : 

 " Russia." 



Fairly common during the winter months throughout the 

 whole country. 



Phylloscopus fuscata fuscata Blyth. 



Pkyllopneuste fuscata Blyth, Journ. Asiat. Soc. Bengal, 

 xi. 1842, p. 113 : Calcutta. " 



A winter visitor to Siam, where it has been found at 

 Bangkok, Lat Bua Kao, Koon Tan, and Sop Tue. 



Phylloscopus proregulus Pall. 



Motacilla proregulus Pallas, Zoogr, Rosso-Asiat. i. 1827, 

 p. 499 : Ingodo river, Dauria. 



Not obtained by any recent collector in Siam, but stated 

 by Gould (P. Z. S. Lond. 1859, p. 151) to be found there on 

 the strength of specimens collected by Sir R. Schomburgk. 



