﻿

  '-■ 
  

  

  ( 
  K- 
  ) 
  , 
  

   DESCRIPTION 
  

  

  OF 
  

  

  NEW 
  SPECIES 
  OF 
  FOSSILS 
  

  

  AND 
  

  

  OBSERVATIONS 
  UPON 
  SOME 
  OTHER 
  SPECIES 
  

  

  PREVIOUSLY 
  NOT 
  WELL 
  KNOWN, 
  

  

  FROM 
  THE 
  TRENTON 
  LIMESTONE. 
  

   BY 
  JAMES 
  HALL. 
  

  

  