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  REPORT 
  

  

  ON 
  THE 
  

  

  MINERALOGY 
  OF 
  NEW-YORK; 
  

  

  Comprising 
  Notices 
  of 
  the 
  Additions 
  which 
  have 
  been 
  made 
  since 
  1842 
  

   BY 
  LEWIS 
  C. 
  BECK, 
  M. 
  D., 
  

  

  LATE 
  MINERALOGIST 
  TO 
  THE 
  SURVEY 
  OF 
  NEW-YORK. 
  

  

  