1920.] List of the Birds of Siam. 459 



A winter visitor, tlionnli apparently ratlier rare, as it lias 

 only been met with on a few occasions, viz., at Den (jhai in 

 the north and at Sai Yoke in western Siatn. Gairdncr has 

 also observed it in the province of Ratburi. 



Family Alaudid^. 



Alauda gulgula sala Swinh. 



Alauda sala Swinhoe, Il)is, 1870, p. 355 : Hainan. 



Sparsely found in various parts of Siam. 



Mirafra cantillans williamsoni Stuart Baker. 



Mirafra cantillans williamsoni Stuart Baker, Bull. Brit. 

 Ornith. Club, xxxvi. 1915, p. 9 : Bangkok. 



Originally described from Bangkok, where it breeds. 

 Also recorded from Lat Bua Kao in eastern Siam. 



Mirafra assamica marioiiEe Stuart Baker. 



Mivafra assamica mariome Stuart Baker, Bull. Brit. Ornith. 

 Club, xxxvi. 1915, p, 34 : Ayuthia, C. Siam. 



Besides the type locality this form has also been ol)- 

 tained at Chan Tuek, Menam Kabren, Koh Lak, and at 

 Lat Bua Kao. 



Mirafra microptera Hume. 



Mirafra udcroptera Hume, Stray Feathers, i. 1873, p. 4S,') : 

 Thayetmo. 



Very common in suitable localities throughout northern 

 Siam, whence I have examined large series. 



Family Motacillid.e. 



Motacilla alba leucopsis Gould. 



Motacilla leucopsis Gould, P. Z. S. Loud. 1837, p. 78 : 

 India. 



Breeds from Amur, Mandchuria, E. Mongolia to N.W, 

 China, and in N.E, Tibet, but is found during the winttr 

 months in Siam, whence it has been recorded seveial 

 times. 



