v . 



97 



and William Yarrell, Esq. We never have had an opportunity of minutely examining a specimen 

 for ourselves. Several specimens have heen killed this winter (1837-8) hoth in Scotland and 

 England, from flocks varying in number from seven to thirty. 



Mr. Yarrell also informs us, that hitherto he was only acquainted with the bird as an article 

 of commerce among the London dealers in live birds, who distinguished it by the name of the 

 Polish Swan. 



CYGNUS ATRATUS. 



Oyg. — Niger, cinereo undulato. 



BLACK SWAN. 



Longth 4 2 Outer toe 4| 



Tarsi 4^ Inner toe 3| 



Centre toe ... . 5 Hind toe | 



Black, with the edges of the feathers cinereous ; quills, secondaries, and greater coverts white 

 tipped with black ; bill carmine red, marked transversely near the tip with a white band ; nail 

 white ; legs and feet dark yellowish ash, with the webs darkest. 



Anas atrata Lath. Ind. Orn. 2. 834. 



Anas plutonia Shaw, JVat. Misc. pi. 108. 



Oygnus atratus Stcph. Sh. Zoo/. 12. 18. 



Black Swan Lath. Gen. Syn. Sup. 2. 343. 



Le Cygne noir , Cue. Reg. An. 1 . 529. 



Trachea Linn. Trans, vol. L5, tab. 12. 



Entirely an Australian species. The tube of the trachea does not enter the sternum, but is 

 attached to the os furcatum by a ligament; in other respects the anatomy resembles that of the 



tnii' swans 



/u 



