﻿28 
  

  

  T. 
  MELLAKD 
  READE 
  ON 
  THE 
  

  

  6. 
  Bed 
  of 
  fine 
  unctuous 
  clay 
  or 
  

   marl, 
  laminated 
  for 
  a 
  few 
  inches 
  

   where 
  it 
  rests 
  on 
  sand 
  below. 
  Above 
  

   this 
  it 
  is 
  h 
  o 
  m 
  ogeneous, 
  unlamin 
  ated, 
  

   containing 
  a 
  small 
  proportion 
  of 
  

   sand, 
  and 
  having 
  boulders, 
  similar 
  

   to 
  bed 
  4, 
  sparsely 
  distributed 
  

   through 
  it 
  ; 
  contains 
  shell-frag- 
  

   ments. 
  It 
  is 
  of 
  a 
  bright 
  red 
  brown, 
  

   shining 
  when 
  cut 
  with 
  a 
  spade. 
  A 
  

   similar 
  clay 
  was 
  got 
  out 
  of 
  the 
  

   Huskisson 
  Branch 
  Dock. 
  "When 
  

   washed 
  it 
  is 
  shown 
  to 
  contain 
  small 
  

   rounded 
  gravel. 
  

  

  7. 
  The 
  ordinary 
  brick-clay 
  from 
  

   which 
  most 
  of 
  my 
  shells 
  have 
  been 
  

   taken, 
  contains 
  more 
  stones 
  than 
  

   No. 
  6, 
  and 
  more 
  sub 
  angular 
  and 
  

   striated 
  stones 
  than 
  No. 
  4. 
  It 
  is 
  

   in 
  constitution 
  intermediate 
  be- 
  

   tween 
  4 
  and 
  6. 
  No. 
  6 
  impercep- 
  

   tibly 
  shades 
  into 
  No. 
  7. 
  

  

  8. 
  Sand-bed. 
  At 
  c 
  containing 
  

   bands 
  of 
  stratified 
  clay 
  ; 
  it 
  is 
  here 
  

   of 
  a 
  red 
  and 
  orange 
  colour, 
  d 
  is 
  

   an 
  intercalated 
  bed 
  of 
  clay 
  and 
  

   gravel, 
  e 
  is 
  stratified 
  sand 
  with 
  

   thin 
  beds 
  of 
  sandy 
  blue 
  clay. 
  

  

  9. 
  Stratified 
  yellow 
  sand. 
  In 
  

   the 
  upper 
  part 
  this 
  contains 
  thin 
  

   beds 
  of 
  peat, 
  and 
  belongs 
  to 
  the 
  

   " 
  Washed 
  Drift 
  sand 
  " 
  of 
  my 
  

   " 
  Postglacial 
  Geology 
  of 
  Lancashire 
  

   and 
  Cheshire." 
  It 
  in 
  fact 
  becomes 
  

   subaerial 
  ; 
  it 
  is 
  capped 
  by 
  surface- 
  

   soil*. 
  

  

  * 
  Specimens 
  of 
  beds 
  4, 
  5, 
  6, 
  and 
  7, 
  

   were 
  kindly 
  examined 
  microscopically 
  for 
  

   me 
  by 
  Mr. 
  David 
  Eobertson, 
  F.G-.S., 
  of 
  

   Glasgow. 
  He 
  sends 
  me 
  the 
  following 
  

   list 
  of 
  Foraminifera, 
  and 
  says, 
  " 
  It 
  does 
  

   not 
  appear 
  that 
  the 
  various 
  beds 
  need 
  

   be 
  kept 
  separate, 
  seeing 
  that 
  there 
  is 
  no- 
  

   thing 
  in 
  particular 
  in 
  the 
  one 
  bed 
  that 
  is 
  

   not 
  in 
  the 
  other 
  Cytheridea 
  papu- 
  

   losa, 
  Bosquet, 
  is 
  the 
  only 
  ostracod 
  that 
  

   need 
  be 
  noticed, 
  which 
  is 
  moderately 
  

   common. 
  There 
  are 
  one 
  or 
  two 
  other 
  

   imperfect 
  forms 
  not 
  yet 
  made 
  out, 
  but 
  

   whose 
  absence 
  can 
  be 
  of 
  little 
  conse- 
  

   quence. 
  Cytheridea 
  papilloma 
  is 
  not 
  

  

  