﻿252 
  

  

  E. 
  RAY 
  LANKESTER. 
  

  

  prosternum 
  and 
  metasternum 
  aloue 
  remaining. 
  Rostrum 
  

   free, 
  not 
  supported 
  by 
  eitlier 
  the 
  prosternum 
  or 
  the 
  basal 
  

   segments 
  of 
  tbe 
  appendages. 
  Appendages 
  of 
  first 
  pair 
  large, 
  

   cbelate, 
  bisegmented, 
  articulated 
  to 
  the 
  sides 
  of 
  the 
  head- 
  

   shield 
  ; 
  appendages 
  of 
  second 
  pair 
  simple, 
  pediform, 
  with 
  

   protrusible 
  (? 
  suctorial) 
  organ, 
  and 
  no 
  claws 
  at 
  the 
  tip; 
  their 
  

   basal 
  segments 
  united 
  in 
  the 
  middle 
  line 
  and 
  furnished 
  with 
  

   sterno-coxal 
  process. 
  Remaining 
  pairs 
  of 
  appendages 
  with 
  

  

  Fig. 
  66. 
  — 
  Galeodes, 
  sp., 
  one 
  of 
  the 
  S()lifuga3. 
  Ventral 
  view 
  to 
  

   show 
  legs 
  and 
  somites. 
  I 
  to 
  VI, 
  the 
  six 
  leg-beaiing 
  somites 
  of 
  the 
  

   prosoma; 
  opisth 
  1, 
  first 
  or 
  genital 
  somite 
  of 
  the 
  opisthosoma; 
  ge, 
  

   site 
  of 
  tiie 
  genital 
  aperture 
  ; 
  st, 
  thoracic 
  tracheal 
  aperture 
  ; 
  /", 
  

   anterior 
  tracheal 
  aperture 
  of 
  the 
  opisthosoma 
  in 
  somite 
  2 
  of 
  the 
  

   opisthosoma; 
  l^, 
  traciieal 
  aperture 
  in 
  somite 
  3 
  of 
  the 
  opisthosoma; 
  

   a, 
  anus. 
  (From 
  Lankester, 
  "Limulus 
  an 
  Arachnid.") 
  

  

  their 
  basal 
  segments 
  immovably 
  fixed 
  to 
  the 
  sternal 
  surface, 
  

   similar 
  in 
  form, 
  the 
  posterior 
  three 
  pairs 
  furnished 
  with 
  two 
  

   claws 
  supported 
  on 
  long 
  stalks; 
  the 
  basal 
  segments 
  of 
  the 
  

  

  