﻿54 
  PRIMEVAL 
  MAN. 
  

  

  divided 
  all 
  the 
  animals 
  whose 
  young 
  are 
  

   suckled 
  [Mammalia) 
  , 
  one 
  is 
  distinguished 
  from, 
  

   the 
  others 
  by 
  the 
  prehensile 
  character 
  of 
  

   both 
  feet 
  and 
  hands 
  (Quadrumana) 
  ; 
  another 
  

   Order 
  is 
  distinguished 
  by 
  the 
  nature 
  of 
  its. 
  

   food 
  (Carnivord) 
  \ 
  the 
  third 
  is 
  distinguished 
  

   by 
  peculiarities 
  in 
  the 
  production 
  of 
  the 
  young 
  

   {Marsupialia)\ 
  the 
  fourth 
  and 
  fifth 
  are 
  distin- 
  

   guished 
  by 
  the 
  nature 
  of 
  their 
  teeth 
  {Rodentia 
  

   and 
  Edentata); 
  the 
  sixth 
  are 
  distinguished 
  by 
  

   the 
  texture 
  of 
  their 
  skin 
  {Pachydermatd)\\ 
  

   the 
  seventh 
  by 
  peculiarities 
  of 
  the 
  digestive 
  

   system 
  (Ruminantid) 
  ; 
  and 
  the 
  last 
  by 
  the 
  

   fish-like 
  form 
  ahd 
  fish-like 
  habitat 
  of 
  the 
  

   Whales 
  and 
  Dugongs 
  (Cetacea). 
  Now, 
  although 
  

   it 
  is 
  obvious 
  that 
  no 
  one 
  principle 
  of 
  classifi- 
  

   cation 
  is 
  consistently 
  adhered 
  to 
  in 
  this 
  system,. 
  

  

  