haunts in the winter. Mr. Gough informs us that fome were 
feen on the rivers in Weftmoreland, November 9, 1798, 
which was confidered a very unufual circumftance. 
They generally arrive in this country in the month of 
Oaober, and do not leave till towards the end of April ; they 
fiy very quick and to a great height, making a loud noife 
in their flight, and are remarkable good divers. 
The male bird is furnifhed with a labyrinth, and has a 
fwelling in the trachm, by v^hich the fpecies is readily difco. 
vered, though fubjed to confiderable variety in colour. 
Our figure was executed for the late William Curtis. 
