﻿PLATE 
  XIII. 
  

  

  Polycheles 
  crucifera 
  (p. 
  127). 
  

  

  Fig. 
  1. 
  Dorsul 
  aspect 
  ; 
  enlarged 
  two 
  and 
  a 
  half 
  times. 
  

  

  c. 
  Anterior 
  portion 
  of 
  the 
  dorsal 
  surface 
  of 
  the 
  cephalon 
  ; 
  considerably 
  en- 
  

   larged, 
  showing 
  both 
  pairs 
  of 
  antennae 
  (6, 
  c), 
  and 
  the 
  ophthalmopoda. 
  

  

  p. 
  Pleon 
  ; 
  lateral 
  view. 
  

  

  a. 
  Ophthalmopod 
  seen 
  from 
  the 
  front 
  when 
  the 
  antenn£e, 
  h 
  and 
  c, 
  are 
  

   removed. 
  

  

  h. 
  First 
  antenna, 
  the 
  peduncle, 
  viewed 
  laterally. 
  

  

  /. 
  Second 
  gnathopod. 
  

  

  (.). 
  Terminal 
  joints 
  of 
  the 
  posterior 
  pair- 
  of 
  pereiopoda. 
  

  

  p. 
  First 
  pleopod 
  of 
  male. 
  

  

  q. 
  Second 
  pleopod 
  with 
  two 
  stylamblydes 
  of 
  male. 
  

  

  