﻿DISTRIBUTION 
  OF 
  FISH 
  AND 
  FISH 
  EGGS, 
  1914. 
  113 
  

  

  FRESH-WATER 
  MUSSEL 
  PROPAGATION. 
  

  

  The 
  propagation 
  of 
  fresh-water 
  pearl 
  mussels, 
  recently 
  undertaken 
  

   at 
  various 
  places 
  in 
  the 
  Mississippi 
  Valley 
  in 
  connection 
  with 
  the 
  

   Fairport, 
  Iowa, 
  Biological 
  Station, 
  has 
  reached 
  considerable 
  pro- 
  

   portions, 
  and 
  in 
  the 
  fiscal 
  year 
  1914 
  resulted 
  in 
  the 
  planting 
  of 
  

   227,536,814 
  glochidia 
  or 
  larval 
  mussels, 
  about 
  50 
  per 
  cent 
  more 
  

   than 
  were 
  planted 
  in 
  the 
  preceding 
  year. 
  Inciientally 
  to 
  these 
  

   operations 
  167,819 
  fishes 
  were 
  used, 
  of 
  which 
  66,645 
  were 
  rescued 
  

   from 
  overflowed 
  lands 
  and 
  returned 
  to 
  the 
  parent 
  streams. 
  

  

  The 
  following 
  table 
  gives 
  the 
  number 
  of 
  each 
  species 
  of 
  mussels 
  

   planted, 
  and 
  the 
  locality 
  in 
  which 
  the 
  fish 
  infected 
  with 
  them 
  were 
  

   liberated 
  : 
  

  

  