﻿PLATE 
  CXX. 
  

  

  Atya 
  bisulcata 
  (p. 
  700). 
  

   Fig. 
  1. 
  Lateral 
  view 
  ; 
  enlarged 
  twice. 
  

   6. 
  First 
  antenna. 
  

  

  c. 
  Second 
  antenna, 
  

  

  d. 
  Mandible 
  ; 
  inner 
  and 
  outer 
  surfaces. 
  

  

  e. 
  First 
  siagnopod. 
  

  

  f. 
  Second 
  siagnopod. 
  

  

  g. 
  Third 
  siagnopod. 
  

   h. 
  First 
  gnathopod. 
  

  

  i. 
  Second 
  gnathopod. 
  

   h. 
  First 
  pereiopod. 
  

   0. 
  Fifth 
  pereiopod. 
  

  

  