542 TRUMPETER SWAN. 
the results. Dr RicHarpson informs us that it ** is the most common 
Swan in the interior of the Fur Countries. It breeds as far south as 
lat. 61°, but principally within the arctic circle, and in its migrations 
generally precedes the Geese a few days.” 
As the adult bird will be subsequently described, I judge it unne- 
cessary at present to enter into a full detail of the external form and 
characters of the species, and will therefore confine myself to the co- 
lours and proportions of the individual represented. 
Cyenus Buccrnator, Richardson—TRUMPETER Swan, Fauna Bor.-Amer. vol. ii- 
p- 464. “White; head glossed above with chestnut ; bill entirely black, with- 
out a tubercle ; tail-feathers 24 ; feet black.” 
Young after first moult. Plate CCCI.X XVI. 
In winter the young has the bill black, with the middle portion of 
the ridge, to the length of an inch and a half, light flesh-colour, and a 
large elongated patch of light dull purple, on each side; the edge of 
the lower mandible and the tongue dull yellowish flesh-colour. The 
eye is dark brown. The feet dull yellowish-brown, tinged with olive ; 
the claws brownish-black ; the webs blackish-brown. 'The upper part 
of the head and the cheeks are light reddish-brown, each feather ha- 
ving towards its extremity a small oblong whitish spot, narrowly mar- 
gined with dusky ; the throat nearly white, as well as the edge of the 
lower eyelid. The general colour of the other parts is greyish-white, 
slightly tinged with yellow ; the upper part of the neck marked with 
spots similar to those on the head. 
Length to end of tail 523 inches; extent of wings 91, wing from 
flexure 231; bill along the ridge 43, from the angle of the eye 6, along 
the edge of the lower mandible 43; tarsus 43; hind toe 14, its claw  ; 
middle toe 64, its claw 1; inner toe 43, its claw {$5 outer toe 64, its 
claw 3. Weight 19 Ib. 8 oz.; the bird very poor. 
