402 



which have no sort of natural affinity, and should therefore be discarded, more especially as 

 Branta of Boie has been so generally used for Fuligula rufina. 



The specimen of Bernicla leucopsis figured, on the same Plate with Bernicla brenta, is the 

 adult bird above described, and is in my own collection. 



In the preparation of the above article I have examined the following specimens: — 



E Mus. H. E. Dresser, 

 a. Leadenhall Market, b, 6 . Lichtenfels, S. Greenland, May 18th, 1874 {Dr. 0. Finsch). 



