Cygnus americanus
Measurements of a specimen
shot at Nantucket Mass [Massachusetts]
March 4,1878, now in the
possession of Mr. H. S. Scott
of that place.
Length (when in flesh) 54 inches
Nostril to tip of bill 1.62" [inches]
Bill from commissure 3.37 " [inches]
" " [Bill from] eye 4.50" [inches]
Tarsus 4.25
  Bill black with a light
spot (brownish/orange) above
and a little behind the
nostril. Tarsi & webs black.
White obscured by plumbous
on top and sides of head
and on the neck behind.