BIRDS FROM SIAM AND THE MALAY PENINSULA 347 



The form ranges from the southern end of the Malay Peninsula 

 north to Trang in Peninsular Siam. 



STACHYRIDOPSIS CHRYSAEA CHRYSOPS (Richmond) 



Stachyris chrysops Richmond, Proc. Biol. Soc. Washington, vol. 15, p. 157, 1902 

 (Kao Nom Plu, Trang, Peninsular Siam). 



Besides the type taken by Dr. W. L. Abbott on Kao Nom Plu, 3,000 

 feet, Trang, Februarj^ 22, 1897, the United States National Museum 

 contains only two females, from Semangko Pass, Selangor-Pahang 

 Boundary. 



This form is duller on the back, dark citrine, rather than citrine of 

 assimilis; it is also much duller yellow below and on the pileum. 



The race ranges from the southern Malay Peninsula north to 

 southern Tenasserim and probably farther north. 



STACHYRIDOPSIS CHRYSAEA ASSIMILIS (Walden) 



Stachyris assimilis Walden, in BIyth's Catalogue of mammals and birds of Burma, 

 p. 116, 1875 (Karennee, Burma). 



Three males and one female, Doi Nangka, November 16, 1930, and 

 April 23-27, 1931; five males. Pang Meton (Doi Nangka), April 29- 

 May 6, 1931; two males, Doi Hua Mot, August 30, 1934. 



This form is brighter, the back more citrine rather than dark-citrine 

 of chrysaea; the lowerparts and pileum are a brighter, deeper yellow. 



Deignan ^^ records it as uncommon on Doi Sutep from 5,000 to 

 5,500 feet, and it probably occurs on other mountains of northern 

 Siam. De Schauensee ^° took it at Chiengmai and Chiengdao. 



The form ranges from the southern Shan States, Burma, to northern 

 Siam. 



CYANODERMA ERYTHROPTERA ERYTHROPTERA (Blyth) 



Timalia erythroptera Blyth, Journ. Asiat. Soc. Bengal, vol. 11, p. 794, 1842 

 (no locality given, but probably Singapore). 



Three males and two females, Bangnara, Patani, July 14-18, 1926; 

 one male, Yala, Patani, January 31, 1931 ; one male, Patalung, July 7, 

 1929; one male and one female, Tha Lo, Bandon, September 23-28, 

 1931; three males and three females, Sichol, Bandon, August 28-31, 

 1929, May 19-27, 1930; one male, Kao Soi Dao, Trang, January 15, 

 1934. 



Dr. W. L. Abbott has sent the following specimens from the Malay 

 Peninsula: one male and two females, Lay Song Hong, Trang, Septem- 

 ber 3-20, and December 14, 1896; one male, Prahmon, Trang, March 

 24, 1896; two males and one female, Trang (no other locality), Febru- 

 ary 9, 1897, December 28, 1898, and January 29, 1899; one female, 

 Singapore Island, May 20, 1899; one male, the Dindings, Straits of 



"Journ. Siam Soc. Nat. Hist. Suppl., vol. 8, p. 137, 1931. 

 M Proc. Acad. Nat. Sol. Philadelphia, vol. 86, p. 191, 1934. 



