THE BIRDS OF NORTHERN THAILAND 467 



must be considered the normal habitat of the bird. I have seen, how- 

 ever, in Philadelphia, a perfectly typical specimen from Doi Suthep, 

 3,000 feet, December 20, 1932; a second (with damaged head but prob- 

 ably correctly determined) from the same hill at 4,500 feet, December 

 7, 1928; and I have myself taken one there at 3,200 feet, March 23, 

 1937. Thus, while tephrocephala has not yet been found in lowland 

 bamboo, distincta occasionally appears in the mountain evergreen and 

 field identifications based upon altitudinal range must be considered 

 untrustworthy. 



An unsexed adult had the irides dark brown ; the maxilla black ; the 

 mandible horny yellow, tipped horny; the feet and toes yellowish 

 horny brown ; the claws horn. 



S. b. distincta differs from tcphrocephala in having the broad co- 

 ronal streak pure ashy gray, the lateral bands a rather deeper black 

 and outwardly edged (above the ear coverts) by a narrower streak of 

 pure ashy gray ; the upperparts a rather more golden olive-green ; the 

 underparts a more golden-yellow. 



SEICERCUS POLIOGENYS (BIyth) 



Gray-cheeked Flycatcher Warbler 



C[ulicipeta] polioyenys Blyth, Journ. Asiat. Soc. Bengal, vol. 16, 1847, p. 441 



(Darjiling, India). 

 Seicercus affinis, Deignan, Journ. Siam Soc. Nat. Hist. Suppl., 1930, p. 170 (Phu 



Kha). 



The gray-cheeked flycatcher warbler is known from Thailand by a 

 single specimen : an adult female, collected by me at the summit of 

 Phu Kha, 5,500 feet, April 10, 1936. 



This species has a broad coronal streak (extending over the nape) 

 ashy gray, bordered at either side by a broad band of black; the 

 lores, ocular region, ear coverts, and sides of the nape ashy gray ; a con- 

 spicuous eye ring of pure white feathers, interrupted above the eye by 

 an ashy-gray portion; the remaining upperparts golden olive-green; 

 the greater upper wing coverts tipped with yellow to form a narrow 

 bar ; the three outermost pairs of rectrices with the inner web white ; 

 the chin (and sometimes the upper throat) pale ashy; the remaining 

 underparts golden-yellow. 



seicercus superciliaris superciliaris (biyth) 

 Indo-Chinese White-throated Flycatcher Warbler 



Abrornis superciliaris "Tickell" Blyth, Journ. Asiat. Soc. Bengal, vol. 28, 1859, 

 p. 414 (mountainous interior of the Tenasserim provinces). 



Abrornis superciliaris, Gyldenstolpe, Kungl. Svenska Vet.-Akad. Handl., 1913, 

 p. 30 (Mae Raem river) ; 1910, p. 82 (Khun Tan, Doi Pha Sakaeng, Pha 

 Kho) ; Journ. Nat. Hist. Soc. Siam, 1915, p. 107 (listed). 



