﻿MARINE 
  POLYCHAETE 
  WORMS 
  — 
  PETTIBONE 
  

  

  313 
  

  

  J) 
  

  

  K 
  

  

  y 
  

  

  J 
  

  

  Figure 
  35. 
  — 
  Sternaspidae: 
  a, 
  Sternaspis 
  scutata, 
  ventral 
  yiew 
  anterior 
  end; 
  h, 
  same, 
  ventral 
  

   view 
  posterior 
  end. 
  Pectinariidae: 
  c, 
  Pectinaria 
  hyperhorea, 
  ventral 
  view 
  anterior 
  end; 
  

   d, 
  same, 
  dorsal 
  view 
  anterior 
  end; 
  e, 
  same, 
  palea;/, 
  same, 
  pectiniform 
  uncinus; 
  g, 
  same, 
  

   dorsal 
  view 
  posterior 
  anal 
  plaque 
  or 
  scapha; 
  h, 
  same, 
  scaphal 
  seta; 
  i, 
  Pectinaria 
  granulata, 
  

   cephalic 
  paleae; 
  /, 
  same, 
  cephalic 
  paleae, 
  with 
  short 
  mucronate 
  tips; 
  ^, 
  same, 
  scaphal 
  

   hook. 
  (For 
  explanation 
  of 
  symbols, 
  see 
  p. 
  210.) 
  

  

  