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  NOTICES 
  OF 
  NEW 
  BOOKS. 
  

  

  Fatigue. 
  By 
  A. 
  Mosso. 
  Translated 
  by 
  Margaret 
  and 
  W. 
  B. 
  

   Drummond. 
  Swan 
  Sonnenschein 
  & 
  Co., 
  Ltd. 
  

  

  In 
  all 
  animal 
  life, 
  in 
  all 
  mental 
  effort, 
  fatigue 
  is 
  a 
  dominant 
  

   factor 
  ; 
  it 
  affects 
  the 
  brain 
  of 
  the 
  thinker 
  as 
  much 
  as 
  the 
  muscles 
  

   of 
  the 
  athlete, 
  but 
  is 
  such 
  a 
  familiar 
  phenomenon 
  as 
  to 
  be 
  

   seldom 
  studied, 
  and 
  usually 
  regarded 
  as 
  a 
  limitation 
  to 
  be 
  

   received 
  with 
  submission 
  and 
  endured 
  with 
  wisdom. 
  Professor 
  

   Mosso, 
  of 
  Turin, 
  whose 
  work 
  on 
  " 
  Fear 
  " 
  is 
  already 
  known 
  in 
  the 
  

   English 
  language, 
  has 
  published 
  a 
  study 
  on 
  animal 
  fatigue, 
  and 
  

   this 
  book 
  is 
  a 
  translation 
  of 
  the 
  same, 
  of 
  which 
  the 
  author 
  has 
  

   revised 
  the 
  proof-sheets. 
  

  

  Migratory 
  birds 
  suffer 
  much 
  from 
  fatigue. 
  The 
  Quail, 
  which 
  

   we 
  read 
  "flies 
  nearly 
  nineteen 
  yards 
  per 
  second, 
  or 
  thirty-eight 
  

   miles 
  per 
  hour," 
  frequently 
  crosses 
  the 
  Mediterranean 
  in 
  favour- 
  

   able 
  weather 
  without 
  great 
  fatigue, 
  though 
  Brehm 
  has 
  described 
  

   the 
  arrival 
  of 
  a 
  crowd 
  of 
  them 
  on 
  the 
  north 
  coast 
  of 
  Africa 
  

   " 
  nearly 
  dead 
  with 
  fatigue." 
  De 
  Filippi 
  has 
  seen 
  Pigeons 
  in 
  the 
  

   open 
  sea, 
  and 
  in 
  a 
  similar 
  condition, 
  " 
  resting 
  on 
  the 
  waves 
  with 
  

   outspread 
  wings." 
  Prof. 
  Mosso 
  applies 
  this 
  weariness 
  of 
  the 
  

   Quail 
  to 
  illustrate 
  a 
  point 
  in 
  the 
  Biblical 
  narrative 
  of 
  Exodus, 
  

   where 
  the 
  Hebrews 
  are 
  described 
  as 
  fed 
  on 
  Quails 
  in 
  the 
  desert. 
  

   " 
  The 
  ease 
  with 
  which 
  they 
  let 
  themselves 
  be 
  caught 
  shows 
  how 
  

   much 
  they 
  were 
  exhausted 
  by 
  their 
  journey." 
  Our 
  author 
  has 
  

   also 
  experimented 
  on 
  and 
  observed 
  the 
  effects 
  of 
  fatigue 
  on 
  

   Carrier-Pigeons 
  (long-journey 
  birds). 
  The 
  younger 
  birds 
  arrived 
  

   at 
  the 
  end 
  of 
  their 
  journey 
  subsequent 
  to 
  the 
  appearance 
  of 
  the 
  

   older 
  ones, 
  and 
  it 
  " 
  was 
  easily 
  seen 
  that 
  they 
  were 
  very 
  tired, 
  for 
  

   they 
  alighted 
  on 
  the 
  roof 
  and 
  remained 
  motionless, 
  while 
  the 
  old 
  

   birds, 
  which 
  had 
  made 
  the 
  same 
  journey, 
  were 
  lively, 
  and 
  kept 
  

  

  flying 
  round 
  in 
  great 
  circles 
  and 
  cooing 
  This 
  shows 
  that 
  

  

  their 
  instinct 
  is 
  not 
  of 
  much 
  use 
  to 
  them, 
  if 
  they 
  are 
  not 
  trained." 
  

  

  Some 
  interesting 
  facts 
  are 
  given 
  of 
  the 
  life 
  and 
  career 
  of 
  

  

  