﻿Report 
  U. 
  S- 
  F. 
  C. 
  1897. 
  (To 
  face 
  page 
  202.) 
  

  

  Plate 
  56. 
  

  

  cDONALD 
  TIDAL 
  BOXES, 
  USED 
  FOR 
  HATCHING 
  COD 
  AND 
  FLATFISH. 
  

  

  