﻿704 
  SEAKLES 
  V. 
  WOOD 
  ON 
  THE 
  NEWER 
  

  

  higher 
  up 
  the 
  Thames 
  valley, 
  was 
  precipitated 
  so 
  much 
  more 
  pro- 
  

   fusely 
  as 
  to 
  form 
  the 
  brickearth 
  which 
  there 
  represents 
  no. 
  4, 
  and 
  

   in 
  which 
  stones 
  are 
  in 
  very 
  subordinate 
  proportion. 
  

  

  This 
  depression 
  necessarily 
  raised 
  the 
  water-line 
  of 
  all 
  the 
  rivers 
  ; 
  

   and 
  the 
  effect 
  of 
  it 
  appears 
  to 
  me 
  to 
  be 
  shown 
  by 
  the 
  gravel 
  of 
  the 
  

   Wey, 
  at 
  Peasemarsh 
  (near 
  Guildford 
  in 
  Sheet 
  8), 
  and 
  that 
  near 
  

   Dieppe 
  on 
  the 
  Erench 
  coast 
  overlying 
  a 
  bed 
  of 
  peat 
  as 
  described 
  by 
  

   Mr. 
  Godwin-Austen 
  in 
  the 
  11th 
  volume 
  of 
  the 
  'Journal,' 
  p. 
  112; 
  

   and 
  in 
  the 
  upper 
  part 
  of 
  the 
  Thames 
  system 
  the 
  river-gravel 
  of 
  

   the 
  present 
  stage 
  must 
  generally 
  be 
  undistinguishable 
  from 
  g, 
  

   because 
  the 
  rise 
  of 
  the 
  land 
  during 
  Stage 
  VII. 
  (in 
  a 
  pause 
  of 
  which 
  

   the 
  gravel 
  g 
  and 
  the 
  shingle 
  at 
  the 
  foot 
  of 
  the 
  buried 
  cliffs 
  of 
  

   the 
  south 
  were 
  formed) 
  brought 
  the 
  water-line 
  back 
  again 
  to 
  the 
  

   same 
  level, 
  or 
  nearly 
  so, 
  as 
  that 
  at 
  which 
  bed 
  3 
  of 
  the 
  Cyrena- 
  

   forination 
  began 
  to 
  accumulate. 
  We 
  see 
  this 
  by 
  the 
  features 
  of 
  tho 
  

   Grays 
  and 
  Crayford 
  sections 
  (figs. 
  XXI. 
  and 
  XXXII.), 
  and 
  by 
  that 
  

   of 
  the 
  Ilford 
  section 
  (fig. 
  XXV.) 
  more 
  clearly 
  still 
  ; 
  for 
  there, 
  in 
  

   the 
  Uphall 
  field, 
  the 
  gravel 
  g 
  overlies 
  the 
  Cyrena-beds 
  2 
  and 
  3, 
  

   which 
  had 
  in 
  the 
  interval 
  been 
  disturbed 
  and 
  denuded, 
  so 
  that 
  

   this 
  gravel 
  spreads 
  over 
  their 
  inclined 
  edges, 
  while 
  the 
  London-road 
  

   field 
  (fig. 
  XXVI.), 
  being 
  at 
  a 
  higher 
  level 
  than 
  the 
  Uphall, 
  and 
  than 
  

   that 
  to 
  which 
  gravel*/ 
  attains 
  east 
  of 
  London, 
  shows 
  the 
  Cyrena- 
  

   formation 
  not 
  covered 
  by 
  that 
  gravel 
  but 
  by 
  the 
  coeval 
  formation 
  y 
  

   instead. 
  If 
  it 
  should 
  chance 
  that 
  reindeer-remains 
  were 
  found 
  in 
  

   the 
  gravel 
  g 
  in 
  the 
  Uphall 
  field, 
  or 
  in 
  the 
  bed 
  y 
  of 
  the 
  London-road 
  

   field, 
  the 
  discovery 
  would 
  probably 
  be 
  announced 
  as 
  one 
  in 
  the 
  Cyretia- 
  

   formation 
  ; 
  whereas 
  it 
  would 
  be 
  in 
  one 
  separated 
  from 
  that 
  by 
  the 
  

   latter 
  part 
  of 
  the 
  time 
  involved 
  in 
  the 
  depression 
  which 
  I 
  have 
  

   traced, 
  by 
  part 
  of 
  that 
  reelevation 
  which, 
  in 
  Stage 
  VII., 
  I 
  am 
  about 
  

   to 
  trace, 
  and 
  by 
  the 
  change 
  in 
  climate 
  caused 
  by 
  the 
  incoming 
  of 
  

   the 
  minor 
  glaciation 
  ; 
  and 
  it 
  is 
  in 
  this 
  way, 
  I 
  apprehend, 
  until 
  the 
  

   contrary 
  be 
  clearly 
  shown, 
  that 
  the 
  gravel 
  at 
  Oxford, 
  of 
  which 
  

   Prof. 
  Prestwich 
  speaks 
  as 
  containing 
  Reindeer-remains 
  at 
  the 
  same 
  

   elevation 
  above 
  the 
  river 
  as 
  that 
  which 
  has 
  yielded 
  the 
  Oyrena, 
  may 
  

   be 
  thus 
  quite 
  distinct 
  from 
  it 
  *. 
  Perhaps, 
  also, 
  some 
  of 
  the 
  patches 
  

   of 
  gravel 
  in 
  the 
  valleys 
  of 
  the 
  Wealden 
  area, 
  that 
  are 
  at 
  higher 
  

   elevations 
  than 
  the 
  general 
  outspread 
  near 
  the 
  rivers 
  which 
  seems 
  

   to 
  belong 
  to 
  Stage 
  VII., 
  may 
  be 
  remnants 
  of 
  the 
  deposits 
  of 
  these 
  

   rivers 
  when 
  their 
  water-line 
  was 
  raised 
  by 
  the 
  depression 
  of 
  the 
  

   Cyrena- 
  formation. 
  

  

  As 
  regards 
  the 
  evidences 
  of 
  this 
  redepression 
  southwards 
  from 
  the 
  

   Thames, 
  they 
  are, 
  though 
  more 
  obscure, 
  I 
  think 
  to 
  be 
  traced. 
  

  

  A 
  range 
  of 
  sections 
  showing 
  old 
  cliffs 
  with 
  beaches 
  at 
  their 
  foot, 
  

   and 
  buried 
  under 
  the 
  accumulations 
  described 
  in 
  Stage 
  VII., 
  have 
  

   occurred 
  on 
  both 
  the 
  Prench 
  and 
  English 
  sides 
  of 
  the 
  British 
  

   Channel, 
  and 
  been 
  described 
  by 
  geologists 
  in 
  the 
  Society's 
  ' 
  Journal 
  ' 
  

   and 
  elsewhere; 
  viz. 
  at 
  Sangatte 
  f, 
  at 
  Brighton 
  J, 
  at 
  the 
  Isle 
  of 
  Wight 
  

  

  * 
  See, 
  however, 
  note 
  at 
  page 
  741. 
  

  

  t 
  By 
  Prestwich, 
  in 
  vol. 
  vii. 
  p. 
  274, 
  and 
  vol. 
  xxi. 
  p. 
  441. 
  

  

  \ 
  By 
  Murchison, 
  in 
  vol. 
  vii. 
  p. 
  365, 
  and 
  A. 
  Tylor, 
  in 
  vol. 
  xxv. 
  p. 
  79. 
  

  

  