﻿XVI 
  LIST 
  OF 
  ILLUSTRATIONS 
  

  

  Pacing 
  page 
  

  

  14. 
  Ceriopora 
  dimorphocella, 
  new 
  species. 
  Portion 
  of 
  a 
  meridian 
  section, 
  X 
  

  

  16. 
  Lower 
  Cretaceous 
  (Aptian) 
  : 
  Faringdon, 
  England 
  29 
  

  

  15. 
  Reptomulticava 
  fungiformis 
  Gregory, 
  1909. 
  Meridian 
  section, 
  X 
  16, 
  

  

  showing 
  superposed 
  cellular 
  lamellae, 
  and 
  the 
  thick 
  walls 
  with 
  large 
  

   vesicles. 
  Lower 
  Cretaceous 
  (Aptian) 
  : 
  Faringdon, 
  England 
  30 
  

  

  16. 
  Defranciopora 
  neocomiensis 
  , 
  new 
  species. 
  Meridian 
  section 
  through 
  a 
  

  

  characteristic 
  specimen, 
  X 
  16, 
  with 
  potential 
  zonal 
  lines. 
  Lower 
  

   Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  Switzerland 
  31 
  

  

  17. 
  Mecynoecia 
  icaunensis 
  D'Orbigny, 
  1850. 
  A-B. 
  Transverse 
  and 
  longi- 
  

  

  tudinal 
  sections, 
  X 
  16. 
  Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte- 
  

   Croix, 
  Switzerland 
  36 
  

  

  18. 
  Genus 
  Trigonoecia 
  Canu 
  and 
  Bassler, 
  1922. 
  A, 
  B. 
  Trigonoecia 
  tubu- 
  

  

  losa 
  D'Orbigny, 
  1851. 
  A. 
  Longitudinal 
  section, 
  X 
  16, 
  of 
  the 
  hollow 
  

   zoarium, 
  showing 
  cylindrical 
  tubes 
  with 
  dorsal 
  gemmation. 
  B. 
  

   Transverse 
  section 
  of 
  a 
  branch, 
  X 
  16. 
  Lower 
  Cretaceous 
  (Valan- 
  

   gian) 
  : 
  Sainte-Croix, 
  Switzerland. 
  C, 
  D. 
  Trigonoecia 
  neocomiensis 
  

   D'Orbigny, 
  1853. 
  Portion 
  of 
  a 
  longitudinal 
  section, 
  X 
  16, 
  showing 
  

   the 
  triparietal 
  gemmation 
  and 
  the 
  club-shaped 
  tubes. 
  D. 
  Trans- 
  

   verse 
  section, 
  X 
  16, 
  exhibiting 
  the 
  polygonal 
  form 
  of 
  the 
  tubes. 
  

   Lower 
  Cretaceous 
  (Valangian): 
  Sainte-Croix, 
  Switzerland 
  38 
  

  

  19. 
  Genus 
  Cardioecia 
  Canu 
  and 
  Bassler, 
  1922. 
  A, 
  B. 
  Cardioecia 
  neocomi- 
  

  

  ensis 
  D'Orbigny, 
  1853. 
  Longitudinal 
  and 
  transverse 
  sections, 
  X 
  16. 
  

   Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  Switzerland. 
  C, 
  D. 
  

   Cardioecia 
  verticillata, 
  new 
  species. 
  Longitudinal 
  and 
  transverse 
  

   sections, 
  X 
  16. 
  Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  

   Switzerland. 
  E, 
  F, 
  G. 
  Cardioecia 
  faring 
  donensis, 
  new 
  species. 
  

   E, 
  F. 
  Two 
  transverse 
  sections, 
  X 
  16, 
  with 
  the 
  median 
  lamella 
  short 
  

   and 
  curved 
  in 
  the 
  second. 
  G. 
  Portion 
  of 
  a 
  meridian 
  section, 
  X 
  16, 
  

   showing 
  the 
  form 
  of 
  the 
  tubes. 
  Lower 
  Cretaceous 
  (Aptian) 
  : 
  Far- 
  

   ingdon, 
  England 
  41 
  

  

  20. 
  Nematifera 
  reticulata 
  D'Orbigny, 
  1853. 
  Longitudinal 
  and 
  transverse 
  

  

  sections, 
  X 
  16. 
  Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  

   Switzerland 
  45 
  

  

  21. 
  Mesenteripora 
  marginata 
  D'Orbigny, 
  1853. 
  Transverse 
  section, 
  X 
  16. 
  

  

  Lower 
  Cretaceous 
  (Valangian): 
  Sainte-Croix, 
  Switzerland 
  48 
  

  

  22. 
  N 
  otoplagioecia 
  faringdonensis 
  Canu 
  and 
  Bassler, 
  1922. 
  A, 
  B. 
  Two 
  

  

  transverse 
  sections, 
  X 
  16. 
  C. 
  Longitudinal 
  section, 
  X 
  16, 
  showing 
  

   the 
  club-shaped 
  tubes, 
  the 
  pseudofacettes, 
  and 
  the 
  vesicular 
  walls. 
  

   Lower 
  Cretaceous 
  (Aptian): 
  Faringdon, 
  England 
  49 
  

  

  23. 
  Cea 
  gramdata, 
  new 
  species. 
  A, 
  B. 
  Longitudinal 
  and 
  transverse 
  sec- 
  

  

  tions, 
  X 
  16. 
  Lower 
  Cretaceous 
  (Aptian): 
  Faringdon, 
  England 
  50 
  

  

  24. 
  Fasciculipora 
  flabellata 
  D'Orbigny, 
  1853. 
  A. 
  Longitudinal 
  thin 
  sec- 
  

  

  tion, 
  X 
  16. 
  B. 
  Meridian 
  thin 
  section, 
  X 
  16, 
  in 
  the 
  vicinity 
  of 
  a 
  

   bifurcation. 
  C. 
  Zooecial 
  walls, 
  X 
  35, 
  showing 
  the 
  arrangement 
  of 
  

   vesicles. 
  Lower 
  Cretaceous 
  (Valangian) 
  : 
  Sainte-Croix, 
  Switzerland- 
  51 
  

  

  25. 
  Genus 
  Plethopora 
  Hagenow, 
  1851. 
  A, 
  B. 
  Plethopora 
  malmi 
  Hennig, 
  

  

  1894. 
  A. 
  Zoarium, 
  X 
  2.6. 
  B. 
  Longitudinal 
  section 
  magnified, 
  

   showing 
  zooecial 
  tubes 
  (z) 
  and 
  the 
  nematopores 
  (/) 
  (A, 
  B, 
  after 
  

   Hennig, 
  1894). 
  Upper 
  Cretaceous 
  of 
  Sweden. 
  C, 
  D. 
  Plethopora 
  

   aptensis, 
  new 
  species. 
  C. 
  Longitudinal 
  section, 
  X 
  16, 
  showing 
  the 
  

   nematopores 
  with 
  thickened 
  walls 
  and 
  the 
  large 
  axial 
  tubes. 
  D. 
  

   Transverse 
  section, 
  X 
  16, 
  exhibiting 
  the 
  base 
  of 
  the 
  salient 
  fascicles 
  

   with 
  open 
  tubes 
  and 
  the 
  thin 
  zone 
  of 
  nematopores. 
  Lower 
  Creta- 
  

   ceous 
  (Aptian): 
  Faringdon, 
  England 
  52 
  

  

  