576 Count Nils Gyldenstolpe : A Nominal [Ibis, 



Grenorallv distributed throughout Siam proper, though 

 nowhere abundant. South uards it extends at least as far 

 as Koh Lak, but the southern limits of its range are not 

 properly defined. 



Stoparola melanops thallassoides VAih. 



(jrlaiu-oniyias thalassoides Cabanis, Mus. Hein. i. 1850, 

 p. 53, footnote : Sumatra. 



Replaces the foregoing in peninsular Siam. Specimens 

 recorded from Trang. 



Cyornis sumatrensis Sliarpe. 



Siphia sumatrensis Sharpe, Cat. Birds Brit. Mus. iv. 1879, 

 p. 451 : Malacca. 



Apparently not uncommon in peninsular Siam and the 

 neighbouring islands, where numerous specimens have been 

 collected. Also recorded from Lat Bua Kao in eastern Siam. 

 Northern limits of range not definitely ascertained. 



Cyornis banyumas tickellise Blyth. 



Cijorms tickelluc Blyth, Journ. Asiat, Soc. Bengal, xii, 

 1843, p. 941 : Madras."^ 



Specimens identified as belonging to this form have been 

 colli^ctctl at Koon Tan, Bang Hue Hom, Den Chai (N. Siam), 

 Muang Pa Tong Tschai (E. Siam), and on the islands Koh 

 Klum and Koh Rang. 



Cyornis dialilaema Salvad. 



Cyornis dialilcema Salvadori, Ann. Mus. Civico Genova, 

 xxvii. 1889, p. 387 : Taho, Karennee. 



One of the most common members of the genus Cyornis 

 in northern Siam. It has also been recorded from Tr-ing 

 and Bandon in peninsular Siam. 



Cyornis rubeculoides Vig. 



Phceniciira rubeculoides Vigors, P. Z. S. Lond. 1831, p. 35 : 

 Himalayas. 



Recorded from Koon Tan by the present author. Gairdner 

 mentions it from the provinces of Ratburi and Petchaburi in 

 south-western Siam. 



