THE BIRDS OF THAILAND 139 



Range: The southwestern portion of the eastern plateau and the 

 southeastern provinces. 



Malacopteron cinereum cinereum Eyton 



Malacopteron cinereus [sic] Eyton, Proc. Zool, Soc. London, pt. 7, 

 No. 78, November 1839, p. 103 ([Malaya]). 

 Range: The peninsular provinces from the Isthmus of Kra to the 

 extreme South. 



Malacopteron magnirostre magnirostre (Moore) 



Alcippe magnirostris Moore, in Horsfield and Moore, Catalogue 

 of the birds in the museum of the Hon. East-India Company, 

 vol. 1, 1854, pp. xiv [nomen nudum!], 407 (Malacca). 

 Range: The peninsular provinces from Prachuap Khiri Khan to the 

 extreme South. 



Malacopteron affine affine (Blyth) 



Tr[ichastoma]. affine Blyth, Journ. Asiatic Soc. Bengal, vol. 11, 

 pt. 2, No. 128, [not earlier than December] 1842, p. 795 (Singa- 

 pore Island, Malaya). 

 Range: Reported only from the southernmost peninsular prov- 

 inces (Pattani, Yala, Narathiwat). 



Genus POMATORHINUS Horsfield 



Pomatorhinus schisticeps ripponi Harington 



Pomatorhinus ripponi Harington, Bull. Brit. Orn. Club, vol. 27, 



No. 163, Nov. 4, 1910, p. 9 (Shan States; type specimen from 



Pyaunggaung [lat. 23°00' N., long. 96°28' E.], Mongmit State, 



Northern Shan State, Burma ^6?e Kinnear, in epistola). 



Range: Reported only from the northern portion of the northern 



plateau (Chaiya Prakan, Chiang Rai). 



Pomatorhinus schisticeps difficilis Deignan 



Pomatorhinus schisticeps difficilis Deignan, Proc. Biol. Soc. 

 Washington, vol. 69, No. 36, Dec. 31, 1956, p. 208 (Doi Luang 

 Chiang Dao [lat. 19°25' N., long. 98°55' E.], Chiang Mai Prov- 

 ince, Thailand). 

 Range: The western portion of the northern plateau (Mae Hong 

 Son, Chiang Mai, Lamphun, northern Tak). 



Pomatorhinus schisticeps humilis Delacour 



Pomatorhinus schisticeps humilis Delacour, L'Oiseau et la Revue 



Frangaise d'Ornithologie, nouv. ser., vol. 2, No. 3, July 10, 1932, 



p. 424 (Thateng [lat. 15^31' N., long. 106°22' E.], Saravane 



Province, Laos). 



Range: Reported from the eastern portion of the northern plateau 



(Nan) and provinces of the eastern plateau bordering the river Mae 



Khong (Loei). 



