Indian Tree Duck. 



Hab. Riukiu ((Okinawa, Ishigaki, Iriomote), Formosa. 



Aix Boie (1828). 



102. Aix galericulata (L.) OsJddori. 



1758. — Anas g-alcriailata L., Syst. Nat., cd. X, I, p. 128 



(China). 

 1914. — Aix g'aleric2ilata briiniiescois Clark, Proc. Biol. Soc. 



Wai-hington, XXVII, p. 87 (Kiusiu, Japan ; Shanghai). 



^'Ex (galericulata (L.). 

 Mandarin Duck. 

 Hab. SakhaHen, Kurile Is., Hokkaido, Hondo, Shikoku, 



Kiusiu, Tsushima, South Is. of Satsuma (Tanegashima, 



Amami-oshima), Riukiu (Okinawa), Formosa, Corea, 



Quelpart Is. 



Branta Scopoli (1769). 



103. Branta bernicla bernicla (L.) Nezumi-omi. 



1758. — Anas Bernicla L., Syst. Nat., ed. X, I, p. 124 



(" Habitat in Europa boreali ; migrat supra Sveciam "). 



Branta bernicla (Linn.), Dresser. 

 Brent Goose, 

 Hab. ? Hokkaido, Japan (recorded by Blakiston & Pryer ; 



Dresser). 



104. Branta bernicla nigricans (Lawrence) Koku-gan. 



1846. — Anser nigricans Lawr., Ann. Lye. Nat. Hist., New 



York, IV, p. 171, pi. XII (New Jersey). 

 ]?lack Brent. 

 Hab. SakhaHen, Kurile Is., Hokkaido, Hondo (Pref. Chiba, 



Tokyo Bay), Kiusiu (Chikuzen, Nagasaki), Corea. 



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