ART. 7 BIEDS FROM YUNNAN AND SZECHWAN, CHINA RILEY 31 



the pileum more brownish, not so glossy a black. These are prob- 

 ably immature. 



97. PENTHESTES SUPERCILIOSA (Przewalski) 



Poecile superciUosa Pkzewalski, Mongol i strana Tangut, vol. 2, p. 53, 1876 

 (Alpine region of the mountains of Kansu) ; Rowley's Ornithological mis- 

 cellany, vol. 2, p. 189, 1877 (translation). 



One adult male of this rare chickadee, Yulonghsi, 13,000-16,000 

 feet, Szechwan, May. 



98. PARUS MAJOR TIBETANUS Hartert 



Parus major tihetanus Hartert, Die Vogel der paliiarktischen Fauna, vol. 1, 

 Heft 3, p. 346, 1905 (Chaksam, Tsongpo Valley, Tibet). 



Eight males and one female from northwest Yunnan (Likiang 

 Mountains, 10,000-12,000 feet, January-February; forests west of 

 Yungning, 12,000 feet. May) ; one male and one female from south- 

 west Szechwan (Mutirong, 7,000-7,800 feet, Muli, April; Shang- 

 entze, south base of Druduron Pass, 14,500 feet, May). 



In a former paper ^^ I assigned specimens from the vicinity of 

 Suifu to tihetanus. This was a mistake; specimens from there be- 

 long to artatus/ tihetanus is the form occurring at higher elevations 

 and has the outer tail feathers more extensively white. The two 

 forms do not differ greatly, however. 



99. PARUS MONTICOLUS YUNNANENSIS LaTouche 



Parus monticolus yunnanensis LaTouche, Bull. Brit. Orn. Club, vol. 42, p. 51^ 

 1922 (Milati, Yunnan). 



One female and one adult unsexed from northwest Yunnan 

 (mountains of Yungning, 12,000-13,000 feet, November-December, 

 and Shintsang, west of Weihsi, 11,000 feet, September) ; four males 

 and one female from southwest Szechwan (forests of Vudju, south 

 of Muli, 10,000 feet. Mny : forests of Baude-Shaya, northeast of 

 Muli, 12,500 feet, July; Noon forests, east of Muli, 10,500 feet, 

 August; Mutirong, 7,000-7,800 feet, April; Yanwekong Valley, 

 10,000-12,000 feet, May). 



Family SITTIDAE, Nuthatches 



100. SITTA YUNNANENSIS Grant 



Sittfi yunnanen-^is Grant. Bull. Brit. Orn. Club, vol. 10, p. 37, 1900 (Weiyuan, 

 south Yunnan). 



Fifteen adults, both sexes, from northwest Yunnan (Likiang 

 Mountains, 10,000 feet, January-February; mountains of Yungning, 



s^Proc. U. S. Nat. Mus., vol. 77, art. 15, p. 21, 1930. 



