﻿BLOOMER 
  : 
  ON 
  THE 
  ANATOMT 
  OF 
  PSAM3I0BIA. 
  239 
  

  

  EXPLANATION 
  OF 
  PLATES 
  IX 
  AND 
  X. 
  

   Plate 
  IX. 
  

   Fig. 
  1. 
  Psammohia 
  vespertina, 
  in 
  a 
  partly 
  expanded 
  condition. 
  Nat. 
  size. 
  

  

  2. 
  P. 
  vespertina. 
  View 
  from 
  the 
  right 
  side, 
  showing 
  internal 
  structure, 
  

   etc. 
  Nat. 
  size. 
  

  

  3. 
  P. 
  vespertina. 
  • 
  Longitudinal 
  section 
  of 
  the 
  stomach, 
  showing 
  the 
  

   internal 
  structure 
  of 
  the 
  left 
  side, 
  x 
  2. 
  

  

  4. 
  P. 
  vespertina. 
  Longitudinal 
  section 
  of 
  the 
  stomach, 
  showing 
  the 
  

   internal 
  structure 
  of 
  the 
  right 
  side, 
  x 
  2. 
  

  

  5. 
  P. 
  vespertina. 
  Transverse 
  section 
  through 
  the 
  super 
  - 
  pallial 
  

   chamber, 
  x 
  16. 
  

  

  6. 
  P. 
  vespertina. 
  Mucus 
  glands 
  from 
  the 
  internal 
  part 
  of 
  the 
  pallial 
  

   lobes 
  bordering 
  the 
  super-pallial 
  chamber, 
  x 
  430. 
  (Details 
  by 
  

   Leitz. 
  Oc. 
  No. 
  1. 
  Obj. 
  one-twelfth 
  oil 
  immersion.) 
  

  

  Plate 
  X. 
  

  

  7. 
  P. 
  vespertina. 
  Transverse 
  section 
  through 
  the 
  caecum 
  of 
  the 
  

   crystalline 
  style 
  and 
  intestine, 
  x 
  20. 
  

  

  8. 
  P. 
  Ferroensis. 
  View 
  from 
  the 
  right 
  side, 
  showing 
  internal 
  struc- 
  

   ture. 
  X 
  2. 
  

  

  9. 
  P. 
  Ferroejisis. 
  Longitudinal 
  section 
  of 
  the 
  stomach, 
  showing 
  the 
  

   internal 
  structure 
  of 
  the 
  left 
  side, 
  x 
  4. 
  

  

  10. 
  P. 
  Ferroensis. 
  Longitudinal 
  section 
  of 
  the 
  stomach, 
  showing 
  the 
  

   internal 
  structure 
  of 
  right 
  side, 
  x 
  4. 
  

  

  11. 
  P. 
  tellinella. 
  View 
  from 
  the 
  right 
  side, 
  showing 
  internal 
  struc- 
  

   ture. 
  X 
  2. 
  

  

  12. 
  P. 
  tellinella. 
  Longitudinal 
  section 
  of 
  the 
  stomach, 
  showing 
  the 
  

   internal 
  structure 
  of 
  the 
  left 
  side. 
  x 
  4. 
  

  

  13. 
  P. 
  tellinella. 
  Longitudinal 
  section 
  of 
  the 
  stomach, 
  showing 
  the 
  

   internal 
  structure 
  of 
  the 
  right 
  side, 
  x 
  4. 
  

  

  14. 
  P. 
  costulata. 
  View 
  from 
  the 
  right 
  side, 
  showing 
  internal 
  struc- 
  

   ture. 
  X 
  2. 
  

  

  