﻿PLATE 
  LXXXVII. 
  

  

  I'onto'phllns 
  (irrAcilis 
  (p. 
  487). 
  

  

  Fig. 
  1. 
  Ventral 
  aspect 
  ; 
  enlarged 
  four 
  tunes. 
  

  

  „ 
  2. 
  Dorsal 
  view 
  ; 
  enlarged 
  four 
  times. 
  

  

  „ 
  3. 
  Branchife, 
  in 
  natural 
  position 
  ; 
  hr, 
  section 
  of 
  plume. 
  

  

  jy 
  $ 
  . 
  First 
  pleopod 
  of 
  male. 
  

  

  p 
  $ 
  . 
  First 
  pleopod 
  of 
  female. 
  

  

  q 
  t 
  ■ 
  Second 
  pleopod 
  of 
  male. 
  

  

  q 
  % 
  . 
  Second 
  pleopod 
  of 
  fem;dc. 
  

  

  