THE BIRDS OF THAILAND 5 



designated as "the eastern half of the Indian Ocean," by 

 Rothschild, Nov. Zool., vol. 22, 1915, p. 145, and restricted to 

 Christmas Island, by Lowe, ibid., vol. 31, 1924, p. 306). 

 Range: Reported off both coasts of the peninsular provinces south 

 of the Isthmus of Kra. 



Order CICONIIFORMES 

 Family ARDEIDAE 

 Genus ARDEA Linnaeus 



Ardea sumatrana Raffles 



Ardea Sumatrana Raffles, Trans. Linn. Soc. London, vol. 13, pt. 2, 



[not earlier than November] 1822, p. 325 (Sumatra; type lo- 



cahty restricted to Benkulan [lat. 3°47'S., long. 102°15'E.], by 



Kinnear and Robinson, Bull. Brit. Orn. Club, vol. 47, 1927, p. 



130). 



Range: Reported from islets off the southeastern provinces (Trat) 



and along both coasts of the peninsular provinces south of the Isthmus 



of Kia. 



Ardea cinerea rectirostris Gould 



Ardea rectirostris Gonld, Proc. Zool. Soc. London, pt. 11, July 

 1843, p. 22 (New South Wales, error; type locality corrected to 

 "India?," by Stone, Austral Avian Record, vol. 1, 1913, p. 142). 

 Range: Reported from both still and running waters of the northern 

 and eastern plateaus, the central provinces, and the western and penin- 

 sular provinces south to Trang. 



Ardea purpurea manilensis Meyen 



Ardea purpurea var. manilensis Meyen, Nov. Act. Acad. Caes.- 



Leop.-Carol. Nat. Cur., vol. 16, suppl. 1, 1834, p. 102 (Manila, 



Luz6n Island, Philippine Islands). 



Range: Reported from the northern plateau, the central plains, and 



the western and peninsular provinces south to Phuket and Phattha- 



lung. 



Genus BUTORIDES Blyth 



Butorides striatus amurensis von Schrenck 



[Ardea (Butorides) virescens] var. amurensis von Schrenck, Reisen 



und Forschungen in Amur-Lande . . ., band 1, lief. 2, 1860, 



p. 441 ("Amurland," Russian SFSR). 



Range: A visitor from northeastern Asia, reported on migration or 



in winter from the northern plateau (Chaiya Prakan, Mae Hong Son, 



Chiang Mai) and the southeastern provinces (Trat) . 



