500 mb. w. b. ogilvie gbant on [May 8, 



212. Hydeopbogne caspia. 



Sterna caspia, Pall. ; Swinhoe, Ibis, 1870, p. 366 ; Hartl. Abh. 

 nat. Ver. Bremen, xii. pp. 300, 334 (1892). 



Hxjdroprogne caspia, Saunders, Cat. B. Brit. Mus. xxv. p. 32 

 (1896). 



Plentiful at Hoihow, North Hainan, Feb. to April (Swinhoe <$f 

 Hartlaub). 



213. Stebna sinensis. 



Sterna sinensis (Gmel.) ; Styan, Ibis, 1893, p. 437 ; Saunders, 

 Cat, B. Brit. Mus. xxv. p. 113 (1896). 



Stemula sinensis, Hartl. Abh. nat. Ver. Bremen, xiv. p. 380 

 (1898). 



Hoihow, North Hainan (Hartlaub). 



214. Stebna melanattchen. 



Sterna melanauchen, Temm. ; Swinhoe, Ibis, 1870, p. 367; 

 Saunders, Cat. B. Brit. Mus. xxv. p. 126 (1896). 

 Hoihow Harbour, North Hainan (Swinhoe). 



215. Labus saundeesi. 



Larus saundersi, Swinhoe ; Hartl. Abh. nat, Ver. Bremen, 

 xii. pp. 300, 334 (1892); Styan, Ibis, 1893, p. 437; Saunders, 

 Cat. B. Brit. Mus. xxv. p. 183 (1896). 



North Hainan (Hartlaub). 



216. Labus eidibundus. 



Larus ridibundus, Linn.; Saunders, Cat. B. Brit. Mus. xxv. 

 p. 207 (1896); Hartl. Abh. nat. Ver. Bremen, xiv. p. 379 

 (1898). 



Hoihow, North Hainan (Hartlaub). 



217. Labus canus. 



Larus nive us, Pall.; Swinhoe, Ibis, 1870, p. 366. 



Larus canus, Linn. ; Saunders, Cat. B. Brit. Mus. xxv. p. 277 

 (1896). 



Hoihow Harbour, North Hainan, and Hungpe, North-west 

 Hainan, February to April (Swinhoe). 



218. PODICIPES PHILIPPENSIS. 



Podiceps philippensis (Bonnat.) ; Swinhoe, Ibis, 1870, p. 366; 

 Hartl. Abh. nat. Ver. Bremen, xii. pp. 300, 334 (1892). 



Tachybaptes fluviatilis, Styan (nee Tunst.), Ibis, 1893, p. 437. 



Podicipes philippensis, Grant, Cat, B. Brit. Mus. xxvi. p. 511 

 (1898). 



Often seen (Swinhoe). 



219. Gallinula chloeopus. 



Gallinida chloropus (Linn.) ; Hartl. Abb. nat. Ver. Bremen, 



