1880.] SPKCIKS OF ANATID^. 519 



43. Anas gibberifrons, Miill. Miiller's Duck. 



Querquedula gibberifrons, Buller, B. New Zealand, p. 250. 



Anas gracilis, Buller, Ibis, 1869, p. 41. 



Mareca albigularis, Hume, Str. F. i. p. 303. 



Hab. Celebes, Moluccas, Australia, New Zealand. 



Eighteen Australian Ducks which we purchased of a dealer in 

 August last, and entered as A. castanea, I now believe to belong to 

 this species, which much resembles the female of A. castanea. (See 

 above, p. 518.) 



Several pairs have been obtained out of the above-mentioned lot ; 

 and we expect that they will breed with us this year. 



44. Anas bernieri, Verr. Bernier's Duck. 

 Anas bernieri, Hartl. Vdg. Madag. p. 363. 

 Hab. Madagascar. 



Not yet introduced. 



45. Anas chlorotis. Gray. Brown Duck. 



Anas chlorotis, G. R. Gr. Voy. Ereb. & Terr. Aves, t. 20. 



Hab. New Zealand. 



Not yet brought to Europe. 



46. Anas specularis. King. 



Anas specularis, Scl. et Salv. P. Z. S. 1876, p. 380. 



Hab. Antarctic America. 



Not yet brought to Europe alive. 



47. Anas cristata, Gm. 



Anas cristata, Scl. et Salv. P. Z. S. 1876, p. 381. 

 Hab. Antarctic America. 

 Not yet imported alive. 



Genus Chatjlelasmus. 



48. Chaulelasmus streperus (Linn.). Gadwall Duck. 

 Chaulelasmus strepera, Gould, B. G. Brit. v. t. 19. 



Hab. Palsearctic Region. 



The Gadwall is in our first list, as having been in the Collection in 

 1830, and usually breeds with us. 



Bates of Hatching of Gadwall Bucks. 



