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  be 
  accomplished 
  with 
  the 
  same 
  number 
  of 
  men 
  and 
  an 
  

   equal 
  outlay 
  of 
  money. 
  Another 
  thing 
  to 
  which 
  Professor 
  

   Goode 
  had 
  alluded, 
  was 
  the 
  establishment 
  of 
  floating 
  

   hatcheries. 
  The 
  coast-line 
  of 
  the 
  United 
  States 
  being 
  so 
  

   long, 
  and 
  the 
  temperature 
  so 
  varied, 
  it 
  was 
  found 
  that 
  the 
  

   shad 
  spawned 
  along 
  the 
  extreme 
  southern 
  coast 
  in 
  the 
  

   latter 
  part 
  of 
  January, 
  February, 
  and 
  March 
  ; 
  later 
  on, 
  

   about 
  the 
  1st 
  of 
  May, 
  they 
  were 
  spawning 
  in 
  the 
  waters 
  of 
  

   Maryland, 
  and 
  later 
  still, 
  in 
  July, 
  on 
  the 
  New 
  England 
  

   coast. 
  In 
  1877 
  floating 
  hatcheries, 
  drawing 
  comparatively 
  

   little 
  water, 
  about 
  1 
  5 
  to 
  20 
  inches, 
  were 
  built, 
  and 
  taken 
  in 
  

   tow 
  by 
  steamers 
  first 
  to 
  the 
  waters 
  of 
  North 
  Carolina 
  ; 
  after 
  

   the 
  spawning 
  season 
  for 
  shad 
  had 
  closed 
  there, 
  they 
  were 
  

   towed 
  to 
  the 
  waters 
  of 
  Maryland, 
  and 
  the 
  work 
  prosecuted 
  

   there 
  during 
  the 
  height 
  of 
  the 
  season, 
  and 
  later 
  they 
  were 
  

   carried 
  further 
  northward. 
  By 
  this 
  means 
  the 
  same 
  plant 
  

   could 
  be 
  utilised 
  in 
  a 
  number 
  of 
  different 
  localities. 
  

   Another 
  matter 
  of 
  importance 
  was 
  the 
  building 
  of 
  re- 
  

   frigerators 
  for 
  retarding 
  the 
  development 
  of 
  the 
  eggs 
  until 
  

   such 
  time 
  as 
  they 
  could 
  be 
  manipulated. 
  The 
  hatchery 
  

   at 
  Northville 
  would 
  accommodate 
  scarcely 
  more 
  than 
  

   100,000,000 
  eggs, 
  but 
  it 
  became 
  desirable 
  to 
  hatch 
  much 
  

   larger 
  quantities 
  than 
  that. 
  A 
  refrigerator 
  was 
  therefore 
  

   being 
  erected, 
  the 
  ice 
  chamber 
  being 
  at 
  the 
  top, 
  with 
  pipes 
  

   leading 
  down 
  to 
  convey 
  the 
  cold 
  air 
  into 
  the 
  chamber 
  contain- 
  

   ing 
  the 
  eggs, 
  which 
  were 
  placed 
  on 
  trays 
  one 
  upon 
  another, 
  

   with 
  an 
  air 
  space 
  between 
  them. 
  They 
  were 
  kept 
  there 
  

   until 
  one 
  lot 
  of 
  eggs 
  had 
  been 
  taken 
  from 
  the 
  hatchery, 
  

   when 
  another 
  was 
  at 
  once 
  taken 
  from 
  *he 
  refrigerator 
  and 
  

   placed 
  in 
  it. 
  The 
  superintendent, 
  Mr. 
  Frank 
  N. 
  Clark, 
  told 
  

   him 
  that 
  he 
  hoped 
  to 
  increase 
  the 
  quantity 
  hatched 
  in 
  this 
  

   way 
  from 
  100,000,000 
  to 
  at 
  least 
  500,000,000, 
  and 
  he 
  be- 
  

   lieved 
  that 
  it 
  would 
  enable 
  him 
  to 
  distribute 
  the 
  fish 
  during 
  

  

  