﻿WATER-POWER 
  DEVELOPMENT 
  IN 
  RELATION 
  TO 
  

   FISHES 
  AND 
  MUSSELS 
  OF 
  THE 
  MISSISSIPPI 
  

  

  By 
  Robert 
  E» 
  Coker 
  

  

  Director 
  United 
  States 
  Biological 
  Station 
  

   Fairport, 
  loiva 
  

  

  Appendix 
  VIII 
  to 
  the 
  Report 
  of 
  the 
  U. 
  S. 
  Commissioner 
  

   of 
  Fisheries 
  for 
  1913 
  

  

  1 
  

  

  