480 BULLETIN 17 2, UNITED STATES NATIONAL MUSEUM 



This race differs from L. n. nigriceps in having the black farther 

 down on the hindneck without any intervening gray band between it 

 and the hazel of the back, the latter deeper, the tail longer. 



It ranges from central Siam to southwestern Siam and Tenasserim, 

 but just how far it extends east and southwest is not known. 



Gairdner ^* records it from the Petchaburi district; de Schauensee *^ 

 from Sriracha. Herbert ^° found it breeding around Bangkok and 

 took nests and eggs in May and June. 



LANIUS CRISTATUS CRISTATUS Linnaeus 



Lanius cristatus Linnaeus, Systema naturae, ed. 10, p. 93, 1758 (Bengal). 



Two immature males and one immature female, Bangkok, October 

 12, 1923, December 21, 1925, October 25, 1926; one immature female, 

 Pak Chong, November 22, 1929. 



Dr. W. L. Abbott collected a single immature female, Kantany, 

 Trang, January 16, 1897. 



This form breeds in eastern Siberia and w^inters in southern China, 

 Indo-China, Siam, northern India, and the Malay Peninsula. 



Deignan ^^ reports it very common around Chiengmai from July 

 to March; Williamson " records it from Bangkok September to April; 

 Robinson ^^ states that in the Malay Peninsula it extends south as 

 far as Malacca and the Langkawi Islands. 



LANIUS CRISTATUS SUPERCIUOSUS Latham 



Lanius swperciliosus Latham, Index ornithologicus, Suppl., p. xx, 1801 (Batavia, 

 Java). 



One subadult male. Ban Pong, September 17, 1929. 



Dr. W. L. Abbott collected one immature male. Lay Song Hong, 

 Trang, October 17, 1896; one adult male, one adult female, and two 

 immature females, Trengganu in 1900 (Tanjong Dungun, September 

 22; Packa River, September 25; Tanjong Laboha, September 30; 

 Kamamun River, October 1), 



This is a deeper red-backed form than L. c. cristatus, with a broader 

 white forehead and superciliary. 



It breeds in Sakhalin, Japan, Manchuria, and Mongolia, and 

 winters in southern China, Indo-China, the Malay Peninsula, Java, 

 and the Sunda Islands as far as Sumba. 



The migration route of this form to the Malay Peninsula must be 

 more to the eastward, as there are no records for it from eastern 



" Journ. Nat. Hist. Soc. Siam, vol. 1, p. 149, 1916. 



<• Proc. Acad. Nat. Sci. Philadelphia, vol. 86, p. 221, 1934. 



•« Journ. Nat. Hist. Soc. Siam, vol. 6, p. 107, 1923. 



" Journ. Siam Soc. Nat. Hi.<:t. Suppl., vol. 8, p. 146, 1931. 



" Journ. Nat. Hist. Soc. Siam, vol. 1, p. 90, 1914. 



« The birds of the Malay Peninsula, vol. 1, p. 256, 1927. 



