Sentence Examples


  • In comparison with all other vertebrates the number of neck-vertebrae of the birds is considerably increased; the lowest number, 14 to 15, is that of most Passeres and many other Coraciomorphae; the largest numbers, 20 or 21, are found in the ostrich, 23 in Cygnus olor and 25 in the black swan.
  • The serial number of these nerves depends chiefly upon the length of the neck, the extremes being represented by Cypselus (loth-14th cervical) and Cygnus (22nd-24th), the usual numbers of the common fowl being the 13th-17th nerves.
  • A gigantic swan, Cygnus falconeri, is known from the Zebug cavern in Malta.
  • Anser, Anas, Cygnus, since Miocene.
  • Conspicuous among these are the great white swan (Cygnus anatoides), the black-necked swan (Anser nigricollis), the antarctic goose (Anas antarctica) and the " race-horse " or " steamer duck " (Micropterus brachypterus).

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