﻿Plate 
  9 
  

  

  Page 
  

   Figs. 
  1-10. 
  Ceriocava 
  multilamellosa, 
  new 
  species 
  . 
  68 
  

  

  1. 
  Zoarial 
  fragments, 
  natural 
  size. 
  

  

  2. 
  An 
  example, 
  X12, 
  on 
  which 
  a 
  lamella 
  with 
  facettes 
  

  

  covers 
  a 
  portion 
  without 
  facettes. 
  

   3,4. 
  Young 
  branch, 
  ><12 
  and 
  X25, 
  showing 
  the 
  round 
  

  

  median 
  orifice 
  in 
  the 
  hexagonal 
  facette. 
  

   5, 
  0. 
  Branch, 
  X12 
  and 
  X25, 
  on 
  which 
  the 
  tubes 
  with 
  

  

  facettes 
  ^alternate 
  with 
  the 
  others. 
  

   7,8. 
  Fragment, 
  X12 
  and 
  X25, 
  with 
  facettes, 
  showing 
  the 
  

   zone 
  of 
  growth 
  of 
  a 
  second 
  lamella. 
  

   9, 
  10. 
  Branch 
  without 
  facettes, 
  X12 
  and 
  X25. 
  

  

  Lower 
  Cretaceous 
  (Valangian): 
  Sainte-Croix, 
  Swit- 
  

   zerland. 
  

  

  Figs. 
  11—13. 
  Ceriocava 
  junctata, 
  new 
  species 
  67 
  

  

  11. 
  Zoaria, 
  natural 
  size. 
  

   12, 
  13. 
  Portion 
  of 
  a 
  hollow 
  unilamellar 
  zoraium 
  without 
  

   facettes, 
  X12 
  and 
  X25. 
  

   Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  Swit- 
  

   zerland. 
  

  

  Figs. 
  14-17. 
  Ceriocava 
  grandipora, 
  new 
  species 
  67 
  

  

  14, 
  15. 
  Fragments, 
  natural 
  size 
  and 
  X3. 
  The 
  base 
  is 
  

   orbicular 
  and 
  the 
  extremity 
  of 
  the 
  branches 
  is 
  

   conical. 
  

  

  16. 
  Ovicelled 
  specimen, 
  X12. 
  

  

  17. 
  Normal 
  specimen 
  without 
  ovicells, 
  X12. 
  

   Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  

  

  Switzerland. 
  

   102 
  

  

  