﻿210 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  E 
  1 
  to 
  Gilboa 
  the 
  soil 
  is 
  frequently 
  quite 
  reddish 
  indicating 
  the 
  

   nearness 
  of 
  red 
  rocks. 
  Above 
  and 
  below 
  the 
  highway 
  bridge 
  over 
  

   the 
  Schoharie 
  river 
  at 
  Gilboa 
  is 
  a 
  rocky 
  gorge 
  (E 
  3 
  ) 
  with 
  walls 
  of 
  

   shales 
  and 
  sandstones. 
  The 
  sandstones 
  in 
  general 
  are 
  coarse 
  

   grained 
  and 
  somewhat 
  greenish 
  gray 
  in 
  color, 
  the 
  greenish 
  tint 
  

   being 
  much 
  stronger 
  than 
  in 
  the 
  sandstone 
  of 
  E 
  1 
  , 
  and 
  alternating 
  

   with 
  them 
  are 
  shales 
  usually 
  greenish 
  in 
  color 
  though 
  some 
  of 
  

   them 
  are 
  blue. 
  The 
  blue 
  shales 
  contain 
  fragments 
  of 
  Rhodea 
  

   pmnata 
  -T>ii. 
  A 
  specimen 
  was 
  submitted 
  to 
  Prof. 
  D. 
  P. 
  Penhallow 
  

   who 
  kindly 
  compared 
  it 
  with 
  the 
  types 
  in 
  the 
  museum 
  of 
  McGill 
  

   university 
  and 
  wrote, 
  it 
  " 
  is 
  undoubtedly 
  to 
  be 
  referred 
  to 
  Rhodea 
  

   pinnata 
  as 
  a 
  comparison 
  with 
  our 
  types 
  clearly 
  shows." 
  In 
  some 
  

   of 
  the 
  blocky, 
  greenish 
  shale 
  by 
  the 
  roadside 
  below 
  the 
  bridge 
  

   are 
  fish 
  scales. 
  From 
  the 
  bridge 
  for 
  several 
  rods 
  up 
  the 
  stream 
  

   along 
  the 
  bank 
  not 
  much 
  above 
  the 
  water 
  is 
  a 
  stratum 
  of 
  

   brownish 
  red, 
  silicious 
  sandstone, 
  nine 
  inches 
  in 
  thickness. 
  The 
  

   lower 
  part 
  of 
  the 
  stratum 
  is 
  of 
  a 
  reddish 
  green 
  color 
  On 
  the 
  

   bank 
  above 
  the 
  highway 
  just 
  south 
  of 
  the 
  bridge 
  is 
  a 
  stratum 
  of 
  

   heavy, 
  coarse 
  grained, 
  gray 
  sandstone 
  which 
  contained 
  the 
  trunks 
  

   of 
  the 
  tree 
  ferns, 
  Psaronius 
  textilis 
  Dn., 
  which 
  were 
  exposed 
  by 
  

   the 
  freshet 
  of 
  September 
  1869. 
  Several 
  of 
  the 
  trunks 
  were 
  secured 
  

   by 
  Prof. 
  Hall 
  and 
  are 
  now 
  in 
  the 
  state 
  museum 
  of 
  natural 
  history. 
  

   Prof. 
  Hall 
  described 
  at 
  an 
  early 
  date* 
  the 
  circumstances 
  attend- 
  

   ing 
  their 
  discovery 
  and 
  submitted 
  them 
  to 
  Sir 
  William 
  Dawson 
  

   for 
  description.^ 
  The 
  impression 
  of 
  the 
  side 
  of 
  one 
  of 
  these 
  

   trunks 
  still 
  shows 
  very 
  clearly 
  in 
  the 
  sandstone 
  at 
  this 
  locality. 
  

  

  LXXV 
  B 
  1 
  . 
  On 
  the 
  eastern 
  bank 
  of 
  the 
  Schoharie 
  one 
  mile 
  below 
  

   Gilboa 
  is 
  a 
  steep 
  cliff 
  rising 
  very 
  abruptly 
  from 
  the 
  river. 
  The 
  

   rocks 
  consist 
  of 
  massive 
  greenish 
  sandstones 
  alternating 
  with 
  

   greenish 
  and 
  blue 
  argillaceous 
  shales. 
  The 
  dip 
  is 
  from 
  1° 
  to 
  1-J° 
  

   S 
  50° 
  E. 
  In 
  the 
  river 
  near 
  the 
  bank 
  are 
  large 
  blocks 
  of 
  

   greenish 
  sandstone, 
  similar 
  to 
  the 
  stone 
  in 
  the 
  quarry 
  on 
  the 
  

   western 
  bank 
  farther 
  up 
  the 
  stream. 
  On 
  one 
  of 
  the 
  largest 
  

   blocks 
  which 
  did 
  not 
  appear 
  to 
  have 
  been 
  transported 
  far 
  by 
  the 
  

  

  a 
  24th 
  an. 
  rep't 
  N. 
  Y. 
  state 
  museum 
  of 
  nat. 
  history, 
  1872, 
  p. 
  8, 
  15-16 
  

  

  b 
  Quarterly 
  jour. 
  geol. 
  society— 
  London, 
  1871,27:269; 
  and 
  Geol. 
  surv. 
  Canada, 
  the 
  fossil 
  plants 
  of 
  

   the 
  Devonian 
  and 
  Upper 
  Silurian 
  formations 
  of 
  Canada, 
  1871, 
  p. 
  59. 
  

  

  