﻿450 
  

  

  ME. 
  S. 
  S. 
  BTJCKMAX 
  OX 
  THE 
  

  

  Til. 
  Section 
  at 
  White 
  Lackington 
  Pari: 
  near 
  llminster. 
  

   Somerset. 
  (6J 
  miles 
  from 
  Section 
  TL, 
  West.) 
  

  

  Yeovil 
  Sands.' 
  

  

  Junction 
  

   bed. 
  

  

  pper 
  

  

  Lias. 
  

  

  Dispansum- 
  

  

  beds. 
  

  

  Probable 
  

  

  position 
  of 
  

  

  Striatidum- 
  

  

  beds. 
  

  

  Yellow 
  micaceous 
  sands, 
  becoming 
  browner 
  ft. 
  in. 
  

  

  towards 
  the 
  bottom 
  

  

  Arenaceous 
  marl-bed, 
  somewhat 
  decomposed, 
  

   brown 
  and 
  light 
  yellow 
  ; 
  occasional 
  pockets 
  of 
  

   bluish-grey 
  argillaceous 
  marl. 
  (This 
  bed 
  is 
  

   apparently 
  a 
  mixture 
  of 
  2\o. 
  1 
  with 
  the 
  decom- 
  

   position 
  of 
  2\o. 
  2.) 
  Lyioc. 
  jv.rense, 
  Lytoc. 
  Ger- 
  

   maini, 
  Lytoc. 
  rubescens, 
  Pelecoceras 
  serrodens, 
  

   Hammatoceras 
  insigne, 
  Oxynot. 
  discoides 
  ; 
  

   fragment 
  of 
  Gramm. 
  dispansum 
  ; 
  fragment 
  

  

  like 
  Gramm.striatidum 
  2 
  

  

  Yellowish-grey, 
  soft 
  stone, 
  somewhat 
  sticky, 
  

   soapy 
  feel. 
  Oxynot. 
  discoides, 
  Ham 
  in. 
  insigne 
  9 
  

  

  Bluish-grey 
  tenacious 
  clay 
  with 
  occasional 
  

   nodules. 
  IS 
  o 
  fossils 
  found. 
  

  

  The 
  next 
  Section 
  shows 
  the 
  Lithology 
  and 
  Fauna 
  of 
  the 
  Upper 
  

   part 
  of 
  the 
  Yeovil 
  Sands 
  in 
  the 
  Yeovil 
  district. 
  

  

  Till. 
  Section 
  at 
  Stoforcl 
  *, 
  Somerset. 
  

   (6 
  miles 
  from 
  Section 
  TL, 
  East.) 
  

  

  About 
  thirty 
  feetbelow 
  the 
  Inferior 
  Oolite 
  Limestone, 
  and 
  separated 
  

   therefrom 
  by 
  that 
  amount 
  of 
  more 
  or 
  less 
  unfossiliferous 
  yellow 
  sands, 
  

   occurs 
  a 
  rich 
  shell-bed, 
  in 
  appearance 
  not 
  unlike 
  the 
  Ham-Hill 
  stone, 
  

   but 
  less 
  sandy, 
  and 
  with 
  the 
  shells 
  not 
  so 
  much 
  comminuted. 
  This 
  

   bed 
  is 
  about 
  two 
  feet 
  thick 
  ; 
  it 
  is 
  used 
  for 
  building-purposes. 
  

  

  Several 
  years 
  ago 
  my 
  father 
  f 
  and 
  myself 
  obtained 
  as 
  the 
  result 
  

   of 
  our 
  different 
  visits 
  the 
  following 
  fossils 
  : 
  — 
  

  

  3Ioorei-he&.$ 
  t. 
  

  

  Dumortieria 
  Moorei 
  (Lye). 
  

  

  Grammoceras 
  mactra 
  (Dum.). 
  

  

  Dumortieria 
  subundulata 
  (Branco). 
  

  

  Trir/onia 
  literata, 
  Young 
  and 
  Bird. 
  

  

  Pecten 
  demissus, 
  Phillips. 
  

  

  Astarte 
  elegans, 
  Sowerby, 
  var. 
  

  

  Ceromya 
  bajociana, 
  d'Orbigny. 
  and 
  many 
  other 
  species. 
  

  

  * 
  See 
  Mr. 
  Hudleston's 
  i( 
  Report 
  on 
  Excursion 
  to 
  Sherborne," 
  Proc.Geol. 
  Assoc, 
  

   vol. 
  ix. 
  No. 
  4, 
  p. 
  4 
  (1885). 
  

  

  t 
  It 
  was 
  from 
  this 
  shell-bed 
  that 
  many 
  of 
  the 
  species 
  quoted 
  in 
  " 
  So-called 
  

   Midford 
  Sands 
  *' 
  (Quart. 
  Journ. 
  Geol. 
  Soc. 
  1879, 
  p. 
  743) 
  were 
  obtained. 
  

  

  j 
  The 
  sandy 
  strata 
  in 
  the 
  neighbourhood 
  of 
  Bradford 
  Abbas 
  more 
  usually 
  

   belong 
  to 
  the 
  upper 
  part 
  of 
  the 
  mass 
  of 
  Yeovil 
  Sands. 
  They 
  show 
  various 
  beds 
  

   of 
  hardened 
  sand-rock 
  isolated 
  from 
  one 
  another 
  by 
  yellow 
  sands. 
  These 
  beds 
  

   contain 
  Dumortieria 
  Moorei. 
  Gramm. 
  mactra, 
  Dumortieria 
  subundulata, 
  Dumor- 
  

   tieria 
  pseudoradiosa, 
  Dumort. 
  radiosa 
  var. 
  gundershofensis, 
  Dumort. 
  Levesquei?. 
  

   Ehynch. 
  Deneckei. 
  The 
  absence 
  of 
  the 
  sandy 
  grits 
  with 
  Lioc. 
  opedinum, 
  which 
  

   are 
  found 
  at 
  Burton 
  Bradstock, 
  Stoke 
  lvnap, 
  &c, 
  brings 
  the 
  beds 
  into 
  immediate 
  

   contact 
  with 
  the 
  Inferior 
  Oolite 
  Limestone 
  (Murchisoiue-zone), 
  and 
  the 
  so-called 
  

   " 
  Dew 
  Bed 
  " 
  is 
  probably 
  their 
  uppermost 
  member. 
  

  

  