﻿90 
  

  

  Geological 
  Survey 
  of 
  Louisiana 
  [Sect. 
  

  

  wholly 
  on 
  the 
  character 
  of 
  the 
  fossil 
  remains 
  found 
  at 
  various 
  

   localities 
  throughout 
  the 
  entire 
  extent 
  of 
  the 
  belt. 
  Our 
  historic 
  

   review 
  shows 
  how 
  erroneously 
  various 
  deposits 
  from 
  Red 
  

   river 
  to 
  the 
  Sabine 
  have 
  been 
  referred 
  to 
  the 
  "Vicksburg," 
  

   "Mansfield" 
  and 
  other 
  horizons 
  quite 
  without 
  regard 
  to 
  any 
  

   study 
  of 
  the 
  fossil 
  remains 
  they 
  so 
  well 
  display. 
  We 
  have 
  as 
  

   yet 
  found 
  no 
  trace 
  of 
  Vicksburg 
  deposits 
  west 
  of 
  Red 
  river. 
  

  

  LOCAUTIES 
  

  

  Bayou 
  Toro. 
  — 
  On 
  the 
  east 
  bank 
  of 
  Bayou 
  Toro 
  in 
  the 
  S. 
  E. 
  

   one-fourth 
  of 
  the 
  N. 
  W. 
  one-fourth 
  of 
  Sec. 
  6, 
  3 
  N., 
  11 
  W., 
  

   Vernon 
  parish, 
  is 
  a 
  small 
  bluff 
  about 
  20 
  feet 
  high 
  containing 
  

   many 
  Jackson 
  fossils. 
  The 
  shells 
  scattered 
  through 
  the 
  clays 
  

   are 
  very 
  much 
  decayed 
  and 
  quite 
  diflScult 
  to 
  obtain. 
  Scattered 
  

   through 
  the 
  clay 
  are 
  large 
  dark-colored 
  limestone 
  concretions. 
  

   They 
  are 
  particularly 
  abundant 
  in 
  the 
  little 
  stream 
  which 
  enters 
  

   Toro 
  just 
  south 
  of 
  the 
  bluff. 
  It 
  was 
  from 
  these 
  limestone 
  bowl- 
  

   ders 
  that 
  most 
  of 
  the 
  fossils 
  were 
  collected. 
  Outcrops 
  of 
  typical 
  

   Grand 
  Gulf 
  sandstone 
  were 
  seen 
  in 
  the 
  hillside 
  about 
  50 
  feet 
  

   above 
  this 
  locality. 
  

  

  Hilgardin 
  i869*describeda 
  seam 
  of 
  shell 
  limestone 
  with 
  "Vicks- 
  

   burg" 
  fossils 
  at 
  the 
  base 
  of 
  the 
  Grand 
  Gulf 
  rocks 
  on 
  Bayou 
  Toro. 
  

   The 
  location 
  of 
  this 
  bed, 
  corresponds 
  very 
  closely 
  with 
  the 
  bed 
  

   from 
  which 
  we 
  collected 
  fossils. 
  

  

  Rattan 
  P. 
  O. 
  — 
  The 
  bed 
  of 
  Bluff 
  branch 
  on 
  the 
  place 
  of 
  Mr. 
  

   J. 
  L. 
  Peace, 
  near 
  Rattan 
  P. 
  O. 
  (N. 
  W. 
  one- 
  fourth 
  Sec. 
  8, 
  

   4 
  N., 
  II 
  W.) 
  shows 
  an 
  outcrop 
  about 
  8 
  feet 
  high 
  composed 
  of 
  a 
  

   fine 
  yellow 
  sand 
  containing 
  many 
  small 
  shells. 
  Several 
  larger 
  

   shells 
  were 
  obtained 
  from 
  a 
  well 
  sunk 
  at 
  Mr. 
  Peace's 
  house. 
  

   These 
  fossils 
  indicate 
  that 
  the 
  beds 
  belong 
  to 
  the 
  Jackson 
  

   stage. 
  

  

  Material 
  which 
  is 
  very 
  strikingly 
  similar 
  to 
  that 
  just 
  mentioned 
  

   occurs 
  on 
  the 
  Ivcesville-Provencal 
  road 
  between 
  Middle 
  and 
  Sta 
  

   Barba 
  creeks 
  about 
  10 
  miles 
  south 
  of 
  Provencal. 
  This 
  is 
  very 
  

   nearly 
  in 
  line 
  with 
  the 
  Jackson 
  outcrops. 
  

  

  *Am. 
  Journ. 
  Sci., 
  2d 
  vol. 
  48, 
  p. 
  339. 
  

  

  