21 



[anserine. 



Various have been the genera in which the bird before us has been placed (Anser melanotus, 

 Linn. J, with none of which does it agree. We have therefore proposed a new one for it. 



Affinities. We have placed it, as far as we have been able (no anatomical character being 

 known), in what appears to us to be its proper place, namely between the genera Chenalopex 

 and Anser. It agrees with the former, in having a spur on the wing. 







