522 



Mr. A. Newton on the Birds of Spitsbergen. 



RosS; p. 198 ; Torell, p. 63 ; M. arcticus, Malmgren, 1863, p. 

 113; Id. 1864, p. 409. 



In the former portion of my paper* I expressed my belief that 

 this bird had been with propriety separated from Fratercula arc- 

 tica, and promised to say more respecting the comparative di- 

 mensions of the two. This I can do in the shortest space by 

 presenting the following Table of Measurements : — 



I may mention, however, that when I declared myself so strongly 

 on the subject, I had not seen the two examples from Iceland, 

 which I owe to the kindness of Mr. G. G. Fowler, Therefore, 

 though still holding to the opinion I then expressed, I must admit 

 that the case is less free from doubt than I had thought it. Of the 

 remaining dozen specimens of F. arctica detailed above, eleven 

 are adults in breeding-plumage from the coast of Wales, for the 



* I then stated I believed F. glaeialis had not been figured. This I find 

 to be an error, as there is a very tolerable representation of it in Stephens's 

 work above cited. Marten's figure is, naturally, of no account; and the 

 plate, in the ' Isis,' referred to, only shows the head — certainly, however, the 

 most important part. 



