﻿380 
  C. 
  J. 
  A. 
  METER 
  ON 
  THE 
  CRETACEOUS 
  ROCKS 
  OF 
  

  

  Head, 
  and 
  Branscombe. 
  Passes 
  out 
  at 
  top 
  of 
  cliff 
  to 
  east 
  of 
  Brans- 
  

   combe. 
  

  

  Fossils 
  : 
  — 
  

  

  Holaster 
  planvis, 
  Mant 
  BH. 
  

  

  Inoeeramus 
  Brongniarti, 
  Sow 
  BH. 
  

  

  Ostrea 
  vesicularis, 
  Lam 
  BH. 
  

  

  Terebratula 
  semiglobosa, 
  Sow 
  WC. 
  

  

  Rbynchonella 
  Cuvieri, 
  Brongn 
  BH. 
  

  

  Bed 
  19. 
  — 
  Hard 
  chalk 
  without 
  flints. 
  

  

  Thickness 
  about 
  15 
  ft. 
  

  

  Characteristic 
  fossil 
  — 
  Inoeeramus 
  Cuvieri, 
  Sow. 
  

  

  A 
  greyish 
  marly-looking 
  band, 
  of 
  about 
  3 
  ft. 
  thickness, 
  occurs 
  

   above 
  the 
  middle 
  of 
  this 
  bed. 
  Occupies 
  part 
  of 
  cliffs 
  at 
  White 
  

   Cliff, 
  Beer, 
  and 
  Beer 
  Head. 
  Runs 
  out 
  near 
  top 
  of 
  cliff 
  to 
  east 
  of 
  

   Branscombe 
  Mouth. 
  

  

  Fossils 
  : 
  — 
  

  

  Discoidea 
  (allied 
  to 
  D. 
  minima, 
  Ag.) 
  BH. 
  

  

  Inoeeramus 
  Cuvieri, 
  Sow 
  WC. 
  

  

  Spondylus, 
  sp 
  B. 
  

  

  Terebratulina 
  gracilis, 
  Schloth 
  B. 
  BH. 
  

  

  Martiniana, 
  D'Orb 
  BH. 
  

  

  — 
  striata, 
  Wahl 
  BH. 
  

  

  Rhynchonella 
  plicatilis, 
  Sow 
  BH. 
  

  

  Bed 
  20. 
  — 
  White 
  cbalk 
  with 
  numerous 
  flints. 
  

   Thickness 
  about 
  60 
  ft. 
  at 
  Beer 
  Head. 
  

  

  Characteristic 
  fossils 
  — 
  Galerites 
  albo-galerus, 
  Lam.; 
  Micraster 
  

   cor-anguinum, 
  Gmel. 
  ; 
  Terebratula 
  carnea, 
  Sow. 
  

  

  Occupies 
  upper 
  part 
  of 
  cliffs 
  about 
  Beer 
  and 
  part 
  of 
  Beer 
  Head. 
  

   Fossils 
  : 
  — 
  

  

  Galerites 
  albo-galerus, 
  Lam 
  WC. 
  

  

  Micraster 
  cor-anguinum, 
  Gmel 
  BH. 
  

  

  Spondylus 
  spinosus, 
  Sow 
  WC. 
  

  

  Ostrea 
  WC. 
  

  

  Crania 
  ignabergensis, 
  Retz 
  WC. 
  

  

  Terebratula 
  carnea, 
  Sow 
  WC. 
  

  

  Terebratulina 
  gracilis, 
  Schloth 
  WC. 
  BH. 
  

  

  striata, 
  Wahl... 
  WC. 
  

  

  In 
  the 
  foregoing 
  description 
  many 
  minor 
  details, 
  including 
  purely 
  

   local 
  variations 
  in 
  the 
  mineral 
  condition 
  of 
  the 
  deposits, 
  have 
  been 
  

   necessarily 
  omitted. 
  Tbe 
  lists 
  of 
  fossils, 
  also, 
  include 
  such 
  species 
  

   only 
  as 
  I 
  have 
  observed 
  in 
  situ 
  in 
  the 
  beds 
  described. 
  These 
  lists 
  

   are 
  consequently 
  incomplete, 
  and 
  in 
  some 
  cases, 
  as 
  I 
  am 
  well 
  aware, 
  

   do 
  not 
  include 
  one 
  half 
  the 
  species 
  obtainable. 
  

  

  II. 
  Classification 
  of 
  the 
  Deposits. 
  

  

  In 
  attempting 
  to 
  classify 
  these 
  various 
  deposits 
  one 
  meets 
  with 
  

   considerable 
  difficulty. 
  There 
  is 
  in 
  the 
  first 
  place 
  no 
  well-marked 
  

   base-line 
  to 
  the 
  Devon 
  Cretaceous 
  system, 
  the 
  lowest 
  beds, 
  both 
  

   lithologically 
  and 
  palseontologically, 
  answering 
  almost 
  equally 
  well 
  

  

  