﻿PLATE 
  LXXXrX. 
  

  

  Craugon 
  vulgaris 
  (p. 
  483). 
  

  

  Fig. 
  1. 
  Structure 
  of 
  the 
  pereionic 
  viscera 
  of 
  the 
  brephalos 
  ; 
  «, 
  ophthalmus 
  ; 
  h, 
  first 
  

   joint 
  of 
  first 
  antenna 
  ; 
  c, 
  first 
  joint 
  of 
  second 
  antenna 
  ; 
  d, 
  mandible 
  ; 
  

   e, 
  first 
  siaguopod 
  ; 
  f, 
  second 
  siagnopod 
  ; 
  g, 
  tliird 
  siagnopod 
  ; 
  h, 
  first 
  

   gnathopod 
  ; 
  i, 
  second 
  gnathopod 
  ; 
  h, 
  I, 
  in, 
  n, 
  buds 
  of 
  four 
  successive 
  

   pereiopoda 
  ; 
  gc, 
  stomach, 
  the 
  outer 
  double 
  line 
  showing 
  its 
  area 
  when 
  

   dilated, 
  the 
  inner 
  or 
  convoluted 
  double 
  line 
  showing 
  its 
  contour 
  in 
  

   rhythmical 
  contraction 
  ; 
  cd, 
  heart. 
  

  

  „ 
  la". 
  Lenses 
  of 
  the 
  ophthalmus, 
  showing 
  the 
  numerical 
  increase 
  during 
  development. 
  

  

  Sabinea 
  septenicarinata 
  (p. 
  493). 
  

   ,, 
  2. 
  Dorsal 
  view 
  ; 
  enlarged 
  twice. 
  

  

  Parathanas 
  decorticus 
  (p. 
  530). 
  

   „ 
  3. 
  Lateral 
  view 
  ; 
  enlarged 
  twelve 
  times. 
  

   ,, 
  3c. 
  Second 
  antenna 
  ; 
  sca2ihocerite 
  as 
  seen 
  within 
  its 
  exuvium. 
  

   ,, 
  Sk~3n. 
  First 
  four 
  pairs 
  of 
  pereiopoda 
  within 
  their 
  exuvium. 
  

   „ 
  3v. 
  Fifth 
  pleopod 
  ; 
  portion 
  of 
  outer 
  branch 
  within 
  its 
  exuvium. 
  

   „ 
  Sv". 
  Fifth 
  pleopod 
  ; 
  one 
  of 
  the 
  hairs 
  enlarged. 
  

  

  Aljiheus 
  (Brephalos) 
  (p. 
  538). 
  

   „ 
  4. 
  Lateral 
  view. 
  From 
  a 
  specimen 
  of 
  AJplieus 
  hatched 
  by 
  Dr. 
  Power. 
  

   „ 
  Ah. 
  First 
  antenna. 
  

   „ 
  4c. 
  Second 
  antenna. 
  

   „ 
  4z. 
  Telson. 
  

  

  Latreutes 
  planus 
  (p. 
  584). 
  

   „ 
  5. 
  Lateral 
  view 
  ; 
  enlarged 
  twelve 
  times. 
  

  

  Latreutes 
  unidetitatus 
  (p. 
  58G). 
  

   „ 
  6. 
  Lateral 
  view 
  ; 
  enlarged 
  twelve 
  times. 
  

  

  