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  are 
  prohibited. 
  Many 
  of 
  our 
  older 
  states 
  now 
  have 
  ex- 
  

   cellent 
  laws 
  for 
  the 
  preservation 
  of 
  game 
  and 
  fish, 
  which 
  

   are 
  enforced, 
  not 
  by 
  fishery 
  wardens, 
  but 
  by 
  the 
  agency 
  of 
  

   societies 
  and 
  anglers' 
  clubs, 
  whose 
  members 
  are 
  expected 
  

   to 
  prosecute 
  offenders 
  against 
  the 
  public 
  interest. 
  

  

  5. 
  A 
  river 
  may 
  quickly 
  be 
  emptied 
  of 
  its 
  anadromous 
  

   fishes, 
  salmon, 
  shad, 
  and 
  alewives, 
  by 
  over-fishing 
  in 
  the 
  

   spawning-season, 
  as 
  well 
  as 
  by 
  dams 
  which 
  cut 
  off 
  the 
  fish 
  

   from 
  their 
  spawning-grounds. 
  Examples 
  of 
  this 
  may 
  be 
  

   found 
  in 
  dozens 
  of 
  American 
  rivers. 
  

  

  In 
  the 
  same 
  way, 
  sea-fishes 
  approaching 
  the 
  coasts 
  to 
  

   spawn 
  upon 
  the 
  shoals 
  or 
  in 
  the 
  bays 
  may 
  be 
  embarrassed, 
  

   and 
  the 
  numbers 
  of 
  each 
  school 
  decimated, 
  particularly 
  if, 
  

   as 
  in 
  the 
  case 
  of 
  the 
  herring, 
  the 
  eggs 
  are 
  adhesive 
  and 
  

   heavy. 
  

  

  Sea 
  fishes 
  spawning 
  in 
  the 
  estuaries 
  are 
  affected 
  by 
  

   wholesale 
  capture 
  with 
  stake 
  nets, 
  much 
  in 
  the 
  same 
  manner, 
  

   though 
  in 
  a 
  less 
  degree, 
  than 
  salmon 
  in 
  the 
  rivers. 
  An 
  

   example 
  is 
  apparently 
  found 
  in 
  the 
  temporary 
  depression 
  in 
  

   the 
  scuppaug 
  or 
  porgy 
  fishery 
  of 
  Narragansett 
  Bay. 
  

  

  Our 
  shad 
  and 
  alewife 
  fisheries 
  arc 
  protected 
  by 
  an 
  

   economic 
  code 
  of 
  laws, 
  different 
  in 
  the 
  different 
  states, 
  

   and 
  in 
  the 
  different 
  rivers 
  of 
  each 
  state. 
  The 
  most 
  satis- 
  

   factory 
  laws 
  are 
  those 
  which 
  regulate 
  the 
  dates 
  at 
  which 
  

   fishing 
  must 
  begin 
  and 
  close, 
  and 
  prescribe 
  at 
  least 
  one 
  

   day 
  in 
  the 
  week, 
  usually 
  Sunday, 
  in 
  which 
  the 
  ascent 
  of 
  

   the 
  fish 
  must 
  not 
  be 
  interrupted. 
  

  

  Massachusetts 
  regulates 
  its 
  stake-net 
  fisheries 
  along 
  the 
  

   coast 
  in 
  a 
  similar 
  manner. 
  

  

  Migratory, 
  semi-migratory, 
  or 
  wandering 
  fishes, 
  ranging 
  

   in 
  schools 
  or 
  singly 
  over 
  broad 
  stretches 
  of 
  ocean, 
  mackerel, 
  

   herring, 
  menhaden, 
  blue-fish, 
  bonito 
  or 
  squeteague, 
  are 
  

   apparently 
  beyond 
  the 
  influence 
  of 
  human 
  agency, 
  espe- 
  

  

  