﻿Report 
  U. 
  S. 
  F. 
  C. 
  1885.— 
  Dyrenforth. 
  Patents. 
  

  

  PLATE 
  CXLVI. 
  

  

  No. 
  263,933. 
  Method 
  of 
  and 
  Apparatus 
  for 
  Hatching 
  Fish, 
  by 
  M. 
  McDonald. 
  

  

  See 
  p. 
  [1'20]. 
  

  

  