POLISH SAVAN. 



131 



NATATORES. 



ANATID^. 



^ 







THE POLISH SWAN. 



Cygnus immutabiiis, Polish Swan, Yarreli., Proc. Zool. Soc. 1838, p. 19. 



The London dealers in birds have long been in the habit 

 of receiving from the Baltic a large Swan, which they dis- 

 tinguish by the name of the Polish Swan. I had reason to 

 believe that this Swan would prove to be a distinct species, 

 though even more nearly allied externally to our Mute Swan, 

 than the Bewick's Swan is to the Hooper. Previous to the 

 year 1836, a nobleman wrote to the late Mr. Joseph Sabine, 

 to inquire what was the name of a tame Swan he had seen 

 with her brood, the cygnets of which were. all white ; and in 

 the spring of 1836, the Ornithological Society of London 



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