﻿Plate 
  21 
  

  

  Page 
  

   Figs. 
  1-4. 
  Multicrescis 
  galaefera, 
  new 
  species 
  14 
  

  

  1, 
  2. 
  Lateral 
  and 
  basal 
  views 
  of 
  zoarium, 
  natural 
  size. 
  

   3. 
  4. 
  Surface, 
  X12 
  and 
  X25. 
  

  

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

   zerland. 
  

  

  Figs. 
  5-6. 
  Multicrescis 
  mammillosa, 
  new 
  species 
  16 
  

  

  Surface, 
  X12 
  and 
  X25. 
  

  

  Lower 
  Cretaceous 
  (Aptian) 
  : 
  Faringdon, 
  England. 
  

  

  Figs. 
  7-9. 
  Multicrescis 
  lamellosa, 
  new 
  species 
  16 
  

  

  7. 
  Portion 
  of 
  the 
  lamellate 
  zoarium, 
  natural 
  size. 
  

   8, 
  9. 
  Zoarial 
  surface, 
  X12 
  and 
  X25, 
  showing 
  the 
  great 
  irregu- 
  

   larity 
  of 
  the 
  mesopores 
  and 
  apertures. 
  

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

   land. 
  

  

  Figs. 
  10-12. 
  Multicrescis 
  (Acanthopora) 
  formosa, 
  new 
  species 
  IS 
  

  

  10. 
  Fragment 
  of 
  zoarium, 
  natural 
  size. 
  

   11, 
  12. 
  Surface, 
  X12 
  and 
  X25. 
  

  

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

   zerland. 
  

   Figs. 
  13-18. 
  Multicrescis 
  pulchella, 
  new 
  species 
  17 
  

  

  13. 
  Zoarial 
  fragments, 
  natural 
  size. 
  

  

  14. 
  Zoarial 
  base, 
  X3, 
  showing 
  the 
  central 
  stem 
  sur- 
  

  

  rounded 
  by 
  encrusting 
  lamellae. 
  

   15, 
  16. 
  Specimen, 
  X12 
  and 
  X25, 
  with 
  very 
  salient 
  visors. 
  

   17, 
  18. 
  Zoarial 
  fragment, 
  X12 
  and 
  X25, 
  showing 
  the 
  small 
  

   visors 
  and 
  the 
  oblique 
  apertures. 
  

   Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix 
  Swit- 
  

   zerland. 
  

   114 
  

  

  