﻿76 
  ALASKA 
  FISHERIES 
  AND 
  FUR 
  INDUSTRIES, 
  1913. 
  

  

  into 
  the 
  new 
  building. 
  Water 
  from 
  the 
  spring 
  which 
  supplies 
  the 
  

   hatchery 
  is 
  conveyed 
  through 
  a 
  new 
  4-inch 
  log 
  pipe 
  line 
  310 
  feet 
  in 
  

   length. 
  The 
  hatchery 
  is 
  heated 
  by 
  two 
  large 
  stoves. 
  If 
  required, 
  

   there 
  is 
  ample 
  floor 
  space 
  in 
  the 
  new 
  building 
  for 
  the 
  installation 
  of 
  

   a 
  number 
  of 
  additional 
  hatching 
  troughs. 
  A 
  new 
  dwelling 
  for 
  em- 
  

   ployees 
  has 
  also 
  been 
  erected. 
  This 
  is 
  a 
  single-story 
  building 
  20 
  by 
  24 
  

   feet, 
  containing 
  three 
  rooms. 
  Both 
  new 
  buildings 
  have 
  been 
  neatly 
  

   painted. 
  A 
  notable 
  improvement 
  under 
  way 
  late 
  this 
  season 
  is 
  a 
  

   large 
  pond 
  in 
  which 
  fry 
  may 
  be 
  placed 
  and 
  fed 
  before 
  final 
  liberation. 
  

   Heretofore 
  all 
  plants 
  have 
  been 
  of 
  fry. 
  The 
  construction 
  of 
  this 
  

   pond 
  is 
  in 
  line 
  with 
  modern 
  ideas 
  of 
  rearing 
  young 
  salmon 
  before 
  

  

  planting. 
  

  

  Klawak. 
  

  

  During 
  the 
  1912-13 
  season 
  at 
  Klawak, 
  egg 
  taking 
  began 
  August 
  

   16 
  and 
  was 
  completed 
  September 
  29, 
  1912. 
  A 
  total 
  of 
  3,835,000 
  

   eggs 
  were 
  taken 
  from 
  1,434 
  female 
  red 
  salmon, 
  or 
  an 
  average 
  of 
  

   2,675 
  per 
  fish. 
  The 
  eggs 
  were 
  taken 
  by 
  the 
  modern 
  method 
  of 
  in- 
  

   cision 
  and 
  proved 
  to 
  be 
  of 
  very 
  good 
  quality, 
  the 
  loss 
  during 
  incuba- 
  

   tion 
  being 
  160,000 
  or 
  only 
  a 
  little 
  more 
  than 
  4 
  per 
  cent. 
  The 
  

   first 
  plant 
  of 
  fry 
  occurred 
  November 
  28, 
  1912, 
  and 
  the 
  last 
  February 
  

   4, 
  1913. 
  Tlie 
  total 
  of 
  the 
  plants 
  was 
  3,675,000. 
  The 
  approximate 
  

   mean 
  temperatures 
  of 
  the 
  hatchery 
  water 
  supply 
  during 
  the 
  season 
  

   were 
  as 
  follows: 
  August, 
  51° 
  F.; 
  September, 
  50°; 
  October, 
  46"^; 
  

   November, 
  40°; 
  December, 
  381°, 
  January, 
  38°, 
  and 
  February, 
  38°. 
  

  

  Heretofore 
  the 
  output 
  of 
  the 
  hatchery 
  has 
  been 
  liberated 
  in 
  the 
  form 
  

   of 
  fry, 
  but 
  this 
  summer 
  a 
  pond 
  16 
  by 
  24 
  feet 
  was 
  constructed 
  and 
  in 
  

   future 
  a 
  part 
  of 
  the 
  output 
  at 
  least 
  will 
  be 
  fed 
  and 
  the 
  fish 
  wUl 
  be 
  

   released 
  when 
  2 
  inches 
  or 
  so 
  in 
  length. 
  Additional 
  pond 
  space 
  is 
  

   required 
  here 
  as 
  at 
  all 
  of 
  the 
  Alaska 
  stations 
  to 
  give 
  sufficient 
  room 
  

   for 
  the 
  rearing 
  of 
  young 
  salmon. 
  

  

  The 
  take 
  of 
  red-salmon 
  eggs 
  during 
  1913-14 
  season 
  at 
  Klawak 
  

  

  numbered 
  3,645,000. 
  Egg-taking 
  operations 
  were 
  confined 
  to 
  the 
  

  

  months 
  of 
  August 
  and 
  September, 
  when 
  all 
  told 
  1,215 
  fish 
  were 
  

  

  stripped. 
  

  

  Etolin 
  Island. 
  

  

  The 
  hatchery, 
  which 
  was 
  operated 
  for 
  14 
  years 
  as 
  a 
  private 
  enter- 
  

   prise 
  by 
  Capt. 
  John 
  C. 
  Callbreath, 
  on 
  waters 
  tributary 
  to 
  McHenry 
  

   Inlet, 
  has 
  been 
  closed 
  since 
  1906. 
  However, 
  up 
  to 
  the 
  present 
  season, 
  

   it 
  has 
  been 
  the 
  custom 
  to 
  lift 
  over 
  the 
  barricade 
  on 
  the 
  stream 
  all 
  

   red 
  salmon 
  which 
  endeavored 
  to 
  reach 
  the 
  spawning 
  grounds 
  above. 
  

   Capt. 
  Callbreath 
  was 
  a 
  strong 
  believer 
  in 
  the 
  parent 
  stream 
  theory, 
  

   and 
  thought 
  to 
  build 
  up 
  a 
  strong 
  run 
  of 
  reds 
  bv 
  excluding 
  and 
  de- 
  

   stroying 
  the 
  humpback 
  salmon, 
  which 
  species 
  also 
  ascended 
  to 
  the 
  

   dam 
  in 
  considerable 
  numbers. 
  He 
  thought 
  that 
  the 
  destruction 
  

   of 
  tlie 
  humpbacks 
  would 
  mean 
  more 
  food 
  for 
  the 
  young 
  red 
  salmon 
  

  

  