﻿MARINE 
  POLYCHAETE 
  WORMS 
  — 
  ^PETTIBONE 
  

  

  251 
  

  

  ^frkn 
  ,p 
  

  

  tCi"' 
  

  

  Figure 
  29. 
  — 
  Syllidae: 
  a, 
  Autolytus 
  prismaticus, 
  stem 
  form, 
  dorsal 
  view 
  anterior 
  end; 
  h 
  

   same, 
  parapodium; 
  c, 
  Autolytus 
  fallax, 
  female 
  (Sacconereis) 
  form, 
  dorsal 
  view 
  anterior 
  

   end; 
  d, 
  same, 
  ventral 
  view 
  anterior 
  end; 
  e, 
  Autolytus 
  fallax, 
  male 
  (Polybostrichus) 
  form, 
  

   dorsal 
  view 
  anterior 
  end; 
  /, 
  same, 
  ventral 
  view 
  anterior 
  end. 
  (For 
  explanation 
  of 
  symbols, 
  

   see 
  p. 
  210.) 
  

  

  261112—54- 
  

  

  