274 
ANATIN^. CYGNUS. 
Feet short, stout, placed a little behind the centre of the 
body ; tibia bare for a very small space ; tarsus short, a 
little compressed, covered all round with angular scales ; 
hind toe extremely small, with a very narrow membrane ; 
third longest, fourth very little shorter ; anterior toes co- 
vered with angular scales for nearly half their length, then 
scutellate, and connected by brogd reticulated entire mem- ' 
branes. Claws rather small, stroi^, arched, compressed, 
rather obtuse. Space between the bill and eye bare ; plu- 
mage dense and soft. Wings long, brdad ; primaries curved, 
stiff, the second longest. Tail very short, graduated, of 
twenty or more feathers. (Esophagus very slender, at the 
lower part of the neck a little dilated ; stomach transverse- 
ly elliptical, with the lateral muscles extremely large, the 
epithelium dense, with two concave grinding surfaces ; intes- 
tine long, and of moderate width ; coeca rather large, nar- 
row ; cloaca globular. Trachea generally enters a cavity 
in the sternum, whence it is reflected, before it passes into 
the thorax ; no inferior laryngeal muscles. 
384. 1. Cygnus Buccinator, Richardson. Trumpeter 
Swan. 
Plate CCCCVI. Adult Male. Plate CCCLXXVI. Young after first moult. 
Tail-feathers twenty-four ; bill and feet black ; plumage pure white, 
excepting the upper part of the head, which is often brownish-red. 
Young after first moult with the bill flesh-coloured in the middle, the 
feet dull yellowish-brown ; upper part of head and cheeks bright red- 
dish-brown, each feather tipped with whitish ; throat nearly white ; ge- 
neral colour of the other parts greyish-white, slightly tinged with yellow. 
Adult, 68; wing, 27. Young, 52^, 91. 
Breeds from North California northward. Fur.Coun tries. Abun- 
dant during winter on the Missouri, Mississippi, Ohio, and in Texas. 
Never seen eastward of South Carolina. 
Cygnus Buccinator, Richardson’s Trumpeter Swan, F. Bor. Amer. v. ii. p. 464. 
Trumpeter Swan, Cygnus Buccinator, Nutt. Man. v. ii. p. 370. 
Trumpeter Swan, Cygnus Buccinator, Aun. Ora. Biog. v. iv. p. 536 ; v. v. p. 114. 
385. 2. Cygnus Americanus, Sharpless. American Swan. 
Plate CCCCXI. Male. 
