. The genera of birds : comprising their generic characters, a notice of the habits of the genus, and an extensive list of species referred to their several genera . MCZ LIBRARYHARVARD UNIVERSITYCAN5BR1DGE. MA USA. MCZ LIBRARYHARVARD UNIVERSITYCAMBRIDGE. MA USA Order \ ITT AXSERES. Family I. Anatid^e. The fourth Subfamily, CYGNINiE, or Swans, have the Bill nearly the length of the head, higher at the base than broad, and covered with a soft Cere,which in most extends to each eye, the breadth of the bill uniform throughout; the Tarsi moderate, andthe Toes lengthened, with the anterior ones unit
. The genera of birds : comprising their generic characters, a notice of the habits of the genus, and an extensive list of species referred to their several genera . MCZ LIBRARYHARVARD UNIVERSITYCAN5BR1DGE. MA USA. MCZ LIBRARYHARVARD UNIVERSITYCAMBRIDGE. MA USA Order \ ITT AXSERES. Family I. Anatid^e. The fourth Subfamily, CYGNINiE, or Swans, have the Bill nearly the length of the head, higher at the base than broad, and covered with a soft Cere,which in most extends to each eye, the breadth of the bill uniform throughout; the Tarsi moderate, andthe Toes lengthened, with the anterior ones united by a full web; the hind Toe short, and not marginedwith a membranous lobe; the neck very long. Cygnus Linn.* Bill nearly the length of the head, of equal breadth throughout, and much higher than broad at thebase, which is covered with a soft fleshy cere that extends in a point to the eye on each side ; the apicalportion depressed, and armed at the tip with a large nail; the nostrils more or less in the middle of thebill, rather oblique and oval. Wings moderate, with the second and third quills equal and longest. Tailshort and rounded. Tarsi a little shorter than the middle toe, and compressed. Toes lengt
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Keywords: ., bookcentury1800, bookdecade1840, bookidgeneraof, booksubjectbirds
