﻿PLATE 
  XXX 
  VIII. 
  

  

  P\ 
  lonicus 
  jyectinat'us, 
  male 
  (p. 
  279). 
  

  

  Fiff. 
  0, 
  0. 
  Posterior 
  pair 
  of 
  ereiopoda 
  ; 
  basal 
  portion; 
  ^3, 
  p., 
  first 
  pair 
  of 
  pleopoda, 
  with 
  

   petasma 
  expa 
  'ed 
  and 
  united 
  in 
  the 
  median 
  line. 
  

  

  z. 
  Telson. 
  

  

  hi: 
  Brancliial 
  plume 
  seen 
  in 
  section. 
  

  

  hr". 
  Secondary 
  branc 
  of 
  same 
  ; 
  taken 
  from 
  the 
  base. 
  

  

  hr"'. 
  Secondary 
  brau' 
  of 
  same 
  ; 
  taken 
  from 
  the 
  apex. 
  

  

  mh. 
  Mastigoliranchi 
  

  

  