172 R. BOWDLEK SHARPE. 



Ery thr oste ma albicilla^ David et Oustalet, Ois. Chine., 

 p. 120, pi. 79(1877); Berez. et Bianchi, Aves Exped. 

 Potan. Gan-sii, p. 71 (1891). 



Enjlhrostema parva albicilla., Tacz., Mém. Acad. Imp. 

 St. Pétersb. (7), XXXIX, p. 469(1893). 



a. 9 ad. Lii-Ghia-Yang, May 22, 1897. 



52. Hemichelidon sibirica. 



Hemichelidon sibirica (Gm.), Prjev. in Rowœy's Orn. 

 Misc., 11, p. 272 (1877) ; Sharpe, Cat. B. Brit. Mus., IV, 

 p. 120 (1879); Tacz., Mém. Acad. Imp. St. Pétersb. (7), 

 XXXIX p. 474 (1893). 



Butalis sibirica, David et Oustalet, Ois. Chine, p. 122 

 (1877). 



Hemichelidon fuiiginosa (Hodgs)., Berez. et Bianchi, 

 Aves Exped. Potan. Gaii-su, p. 70 (1891). 



a. ö< ad. Ku-Men-Tzu, May 30, 1897. 



53. Gotile riparia. 



Colile riparia (Linn.), David et Oustalet, Ois. Chine, 

 p. 128 (1877); Prjev. in Roiuleys Orn. Misc., II, p. 162 

 (1877); Sharpe, Cat. B. Brit. Mm., X, p. 96 (1885); Tacz., 

 Mém. Acad. Imp. St. Pétersb. (7), XXXIX, p. 186 (1893). 



a. cf ad. Ar-Er-Ha-Shing, July 18, 1897. 



, 54. Hirundo rustica. 



Hirundo rustica (Linn.), Sharpe, Cat. B. Brit. Mus., X, 

 p. 128 (1885). 



a. çf ad. Dolon-Nor, June 7, 1897. 



b. 9 ad. Yang-Ghu-Ku, June 25, 1897. 



This specimen must be considered to be true H. rustica 

 and not //. gutluralis. 



