BIRDS FROM SIAM AND THE MALAY PENINSULA 417 



The form breeds in the mountains of northern India, Burma, Tibet, 

 and western China and wdnters in southern India, Siam, southern 

 China, Tonldn, Annam, Cochinchina, and Cambodia. It seems 

 generally distributed over Siam proper in the winter and has been 

 taken in Peninsular Siam as far south as Trang and Pulo Pandau and 

 has been recorded from Perak.® 



Lowe ® has recorded M. s. affinis from 28 miles east of Umpang, 

 Siam, but I have reached the conclusion that this name represents a 

 phase of M. s. pandoo and is not a geographic form. 



MONTICOLA GULARIS (Swinhoe) 



Oroecetes gidaris Swinhoe, Proc. Zool. Soc. London, 1862, p. 31S, 1863 (near 

 Tientsin, China). 



Three males, Kao Sabap, Chantabun, January 7, 1930, November 

 2-25, 1933; one female, Chantabun, February 12, 1930; one male, 

 Kao Kuap, Krat, December 27, 1929; one female, Kao Bantad, Krat, 

 December 28, 1929; one male, Kao Seming, Krat, January 1, 1930. 



This beautiful rock thrush breeds in northeastern China, Man- 

 churia, northern Korea, and probably southeastern Siberia. It 

 migrates through eastern China in fall and spring and winters in 

 Tonkin, Annam, Cochinchina, Cambodia, and Siam, and as a 

 straggler to Burma and Tenasserim. 



Count Gyldenstolpe ^ recorded it as a very rare winter visitor to 

 Siam, where at the time he wrote it had been recorded only twice, 

 from Khun Tan and from Klong Menao. Robinson and Ivloss ^ 

 secured a single male at Nong Kok, Ghirbi, Peninsular Siam, January 

 5, 1918, and say that one is on record from the Perak Hills. De 

 Schauensee ^ took a male at Chiengmai, 1,500 feet, January 17. 



MYOPHONUS TEMMINCKH RILEYI Deignan 



Myophonus caeruleus rileyi Deignan, Proc. Biol. Soc. Washington, vol. 51, p. 25, 

 1938 (Doi Angka, Siam). 



Two females, Doi Angka, 7,000 feet, December 6, 1928. 



These two females do not agree with a small series from Kashmir; 

 the blues are darker and less purplish. 



This bird is not common in northern Siam where previously it had 

 been obtained only in Khun Tan.^° 



This form was separated after this bulletin was in type and is 

 known only from the above specimens. 



This species can readily be distinguished from eugenei by having the 

 feathers of the rump, flanks, and breast with white on the base along 



• Robinson and Kloss, Ibis, 1911, p. 64. 

 « Ibis, 1933, p. 271. 



' Ibis. 1920, p. 478. 



• Journ. Nat. Hist. Soc. Siam, vol. 3, p. 112, 1919. 



• Proc. Acad. Nat. Scl. Phila., vol. 86, p. 212, 1934. 

 " Ibis, 1920, p. 479. 



