﻿206 
  On 
  the 
  Anatomy 
  ofPalseechinus 
  {Scolder), 
  M'-Goy. 
  

  

  appear 
  to 
  belong 
  to 
  Palceechinus 
  as 
  now 
  limited. 
  P. 
  Konigfi, 
  

   M'Coy, 
  is 
  insufficiently 
  diagnosed, 
  the 
  type 
  being 
  fragmen- 
  

   tary. 
  

  

  Fig. 
  t. 
  

  

  Fig-, 
  vi. 
  

  

  Fisr, 
  iv. 
  

  

  «» 
  

  

  ll« 
  

  

  Fisr. 
  v. 
  

  

  Fi°\ 
  vn. 
  

  

  Fie:, 
  vin. 
  

  

  Fisr. 
  ix. 
  

  

  Fisr. 
  x. 
  

  

  Fig. 
  i.— 
  One 
  side 
  of 
  part 
  of 
  an 
  ambulacrum 
  of 
  Palceechinus 
  gigas, 
  magn. 
  

   Figs, 
  ii.-vii. 
  — 
  Plates 
  of 
  part 
  of 
  one 
  side 
  of 
  ambulacra 
  of 
  P. 
  spharicus, 
  

  

  magn. 
  

   Fig. 
  vin.— 
  Two 
  demi-plates 
  and 
  a 
  blocked-out 
  primary 
  of 
  P. 
  ellipticus, 
  

  

  magn. 
  

   Figs. 
  ix. 
  ? 
  x. 
  — 
  Parts 
  of 
  one 
  side 
  of 
  an 
  ambulacrum 
  of 
  P. 
  intermedins, 
  magn. 
  

  

  The 
  obliquity 
  of 
  the 
  pores 
  of 
  the 
  pairs 
  is 
  sometimes 
  not 
  with 
  the 
  adoral 
  

   pore 
  directed 
  more 
  or 
  less 
  actinally; 
  this 
  unusual 
  condition 
  is 
  

   represented 
  in 
  figs, 
  n., 
  v., 
  vi., 
  and 
  ix. 
  

  

  