BRITISH BIRDS, 
MUTE SWAN, 
OR TAME SWAN. 
{^Anas Cygnus manfuetus^ Lin.— Z.^ Cygne, BufF.) 
The plumage of this fpecies is of the fame fnowy 
whitenefs as that of the Wild Swan, and the bird 
is covered next the body with the fame kind of fine 
clofe down ; but it greatly exceeds the Wild Swan 
in fize, weighing about twenty-five pounds, and 
meafuring more in the length of the body and ex- 
tent of the wings. This alfo differs in being fur- 
nifhed with a projecting, callous, black tubercle, or 
