﻿ilie 
  Voyage 
  of 
  H 
  M 
  S 
  "Challenger" 
  

  

  Crustacea 
  macrura,?! 
  IXVIII. 
  

  

  ^V'\ 
  

  

  y 
  

  

  c. 
  n-ii 
  ^ 
  i'urr.t.-- 
  . 
  icr 
  

  

  SERGESTES 
  ATLANTICUS 
  

  

  