172 R. BOWDLEK SHARPE. 



Erytliroüenia albiciUa^ David et Oustalet, Ois. Chine ^ 

 p. 120, pl. 79(1877); Bercz. et Bianchi, Aves Exped. 

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



Erythrosterna parva albicilla^ Tacz., Mem. Acad. Imp. 

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



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



52. Hemichelidon sibirica. 



Hemichelidon sibirica (Gm.), Prjev. in Rowteys Orn. 

 Misc.W, p. 272 (1877); Sharpe, Cat. />'. Brit. Mus., IV, 

 p. 120 (1879); Tacz., Mem. Acad. Imp. St. Petersb. (7), 

 XXXIX p. 474(1893). 



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

 (1877). 



Hemichelidon fuliginosa (Hodgs)., Berez. et Bianclii, 

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



a. cf ad. Kii-Men-Tzu, May 30, 1897. 



53. Cotile riparia. 



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

 p. 128 (1877); Prjev. in Rowleys Orn. Mise, II, p. 162 

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

 Mem. Acad. Imp. St. Petersb. (7), XXXIX, p. 186 (1893). 



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



54. Hirundo rustica. 



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

 p. 128 (1885). 



a. cf ad. Dolon-Nor, June 7, 1897. 



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



This specimen must be considered to bc true H. rustica 

 and not H. gutturalis. 



