﻿PLATE 
  VII. 
  

  

  Thautiuistocheles 
  zaleuea 
  (p. 
  47). 
  

  

  Fig. 
  1. 
  Pereion 
  ; 
  lateral 
  view, 
  with 
  part 
  of 
  carapace 
  removed 
  to 
  sliow 
  the 
  arrangement 
  

   of 
  the 
  branchia;. 
  

  

  „ 
  \hr. 
  Diagram 
  of 
  the 
  vertical 
  arrangemeut 
  of 
  a 
  section 
  of 
  tlic 
  liranchial 
  ;i|>paratns. 
  

  

  ,, 
  Ic. 
  First 
  .siagnopod. 
  

  

  „ 
  1/.' 
  k5e(^oud 
  siagnopod. 
  

  

  ,, 
  l(/. 
  Third 
  siagnopod. 
  

  

  „ 
  1/;. 
  First 
  gnathopod. 
  

  

  Ihaccus 
  verdi 
  (p. 
  58). 
  

  

  „ 
  2. 
  Dorsal 
  aspect 
  of 
  the 
  pereion 
  with 
  the 
  carapace 
  removed 
  to 
  show 
  the 
  hranchise; 
  

   left 
  side 
  with 
  the 
  branchiie 
  intact, 
  i-ight 
  shown 
  in 
  .section. 
  

  

  ,, 
  2d. 
  Siagones 
  or 
  mandililes 
  ; 
  ff. 
  shows 
  the 
  position 
  of 
  the 
  extremities 
  of 
  the 
  second 
  

   pair 
  of 
  siagnopoda. 
  

  

  „ 
  2e. 
  First 
  pair 
  of 
  siagnopoda. 
  

  

  ,, 
  2/! 
  Sec,ond 
  pair 
  of 
  siagnopoda. 
  

  

  ,, 
  2g. 
  Third 
  pair 
  of 
  siagnopoda. 
  

  

  ,. 
  2k. 
  Fir.st 
  pereiopod 
  ; 
  showing 
  the 
  coxa 
  with 
  ma.stigobranchia 
  ;nid 
  podobranchia 
  

   attached. 
  

  

  „ 
  pic'. 
  Upper 
  surfiice 
  of 
  the 
  pyloric 
  apparatus. 
  

  

  . 
  , 
  pic". 
  Under 
  surface 
  oi 
  the 
  pyloric 
  apparatus. 
  

  

  