Source : Webster's Revised Unabridged Dictionary (1913)

   Note: Several related species are found in South America. The
         water opossum of Brazil ({Chironectes variegatus}),
         which has the hind feet, webbed, is provided with a
         marsupial pouch and with cheek pouches. It is called
         also {yapock}.

   {Opossum mouse}. (Zo["o]l.) See {Flying mouse}, under
      {Flying}.

   {Opossum shrimp} (Zo["o]l.), any schizopod crustacean of the
      genus {Mysis} and allied genera. See {Schizopoda}.