﻿596 
  REPORT 
  OF 
  COMMISSIONER 
  OF 
  FISH 
  AND 
  FISHERIES. 
  [108] 
  

  

  EXPLANATION 
  OF 
  PLATE 
  XXVI. 
  

  

  Ictalurus 
  albidcs. 
  ( 
  White 
  Cat-Jisk.) 
  

  

  FlO. 
  165. 
  Young 
  cat- 
  fish, 
  eight 
  days 
  old, 
  viewed 
  as 
  an 
  opaque 
  object, 
  x 
  16. 
  

   FlG. 
  166. 
  Young 
  cat-fish, 
  nine 
  days 
  old, 
  viewed 
  as 
  an 
  opaque 
  object, 
  x 
  16. 
  

  

  