﻿MANUAL 
  OF 
  FISH-CULTURE. 
  

  

  171 
  

  

  enibankmeut 
  of 
  the 
  pond, 
  to 
  build 
  a 
  uest 
  on 
  the 
  naked 
  clay 
  bottom 
  

   within 
  reach 
  of 
  the 
  bank 
  on 
  which 
  people 
  were 
  passing 
  almost 
  every 
  

   hour. 
  Nesting 
  bass 
  should 
  have 
  seclusion, 
  although 
  those 
  reared 
  in 
  

   captivity 
  probably 
  fail 
  to 
  notice 
  minor 
  disturbances 
  at 
  the 
  time 
  of 
  

   spawning 
  which 
  would 
  at 
  other 
  times 
  alarm 
  them. 
  

  

  Artificial 
  nests 
  for 
  bass 
  have 
  been 
  devised, 
  which 
  should 
  give 
  

   increased 
  results 
  in 
  the 
  number 
  of 
  fry 
  saved 
  by 
  simplifying 
  the 
  trans- 
  

   fer 
  of 
  fry 
  to 
  nursery 
  ponds 
  and 
  eliminating 
  the 
  risk 
  of 
  handling 
  with 
  

   nets. 
  The 
  artificial 
  nest 
  is 
  a 
  wooden 
  box 
  about 
  20 
  inches 
  square, 
  with 
  

   sides 
  2^ 
  inches 
  high 
  and 
  slightly 
  flaring 
  outward. 
  Cleats 
  are 
  nailed 
  

  

  Artificial 
  Nest 
  for 
  rearing 
  Black 
  Basa 
  (perspective 
  and 
  sectioual 
  views). 
  

  

  on 
  the 
  side 
  for 
  convenience 
  in 
  handling. 
  Coarse 
  gravel 
  is 
  placed 
  in 
  

   the 
  bottom 
  of 
  the 
  box 
  and 
  the 
  remaining 
  space 
  filled 
  with 
  fine 
  gravel, 
  

   flush 
  with 
  the 
  top 
  of 
  the 
  box. 
  The 
  top 
  layer 
  is 
  sufficiently 
  fine 
  not 
  to 
  

   allow 
  the 
  eggs 
  to 
  fall 
  through 
  the 
  si)aces 
  and 
  mix 
  with 
  the 
  large 
  gravel 
  

   underneath. 
  The 
  nest, 
  thus 
  completed, 
  ]s 
  i)laced 
  in 
  an 
  excavation 
  with 
  

   the 
  upper 
  edge 
  even 
  with 
  the 
  bottom 
  of 
  the 
  pond. 
  A 
  stake 
  is 
  driven 
  near 
  

   the 
  nest 
  and 
  a 
  board 
  fastened 
  to 
  it 
  to 
  afford 
  seclusion 
  and 
  protection 
  

   from 
  the 
  sun 
  and 
  enemies. 
  A 
  round 
  i)ottery 
  nest, 
  about 
  the 
  same 
  size, 
  

   with 
  a 
  rim 
  sufficiently 
  high 
  to 
  retam 
  the 
  gravel, 
  is 
  also 
  used. 
  Shade 
  is 
  

  

  