﻿PLATE 
  XVII. 
  

  

  Pentach'ks 
  euthrix, 
  female; 
  enlarged 
  one 
  and 
  thiee-i|uarter 
  times 
  (p. 
  149). 
  

  

  (Pe.ntocheks 
  imtfiri-r 
  mi 
  Plate). 
  

  

  c. 
  Cephalou, 
  showing 
  ophthalmopoda 
  {a,a); 
  first 
  ])aii- 
  of 
  antenna} 
  {h.b); 
  second 
  pair 
  of 
  

   antennae 
  {c,c). 
  

  

  c". 
  (Jephalon, 
  one 
  side 
  of 
  frontal 
  aspect; 
  a, 
  ophthalmopoda; 
  h,c, 
  antennae 
  removed. 
  

  

  c'". 
  (Vphalon, 
  under 
  surface, 
  showing 
  ophthalmopod 
  (a): 
  first 
  antenna 
  (/>): 
  seconil 
  

   antenna 
  (c); 
  phymaeerite 
  (op). 
  

  

  c. 
  Secontl 
  antenna 
  ; 
  op, 
  phymacerite. 
  

   ()'. 
  Fifth 
  pereiopod, 
  under 
  surface 
  of 
  terminal 
  cliela. 
  

   (/'. 
  Fifth 
  pereio]iod, 
  upper 
  surface 
  of 
  terminal 
  chela, 
  

   p. 
  Pleon; 
  lateral 
  view. 
  

   p,^. 
  First 
  pleopod. 
  

   q. 
  Second 
  pleopod. 
  

  

  