Florida and the Game Water-Birds of the Atlantic Coast and the Lakes of the United States / With a full account of the sporting along our sea-shores and inland waters, and remarks on breech-loaders and hammerless guns

by Robert Barnwell Roosevelt

The Swan.

Genus Cygnus, Meyer.

Generic Distinctions.—Bill longer than the head, higher than broad at the base, depressed and a little widened towards the end; upper mandible, rounded, with the dorsal line sloping; lower mandible flattened, with the angle very long, and rather narrow; nostrils placed near the ridge; head of moderate size, oblong, compressed; neck extremely long and slender; body very large, compact, depressed; feet short, stout, placed a little behind the centre of the body; tarsi short; wings long, broad; tail very short, graduated.