﻿296 
  Geological 
  Survey 
  of 
  Louisiana 
  [Sect. 
  

  

  I/inearia 
  metastriata, 
  Plate 
  50, 
  fig. 
  7. 
  

  

  Syn. 
  — 
  L. 
  metastriata 
  Con., 
  Acad. 
  Nat. 
  Sci. 
  Jr., 
  vol. 
  4, 
  p. 
  279, 
  pi. 
  

   46, 
  fig. 
  7, 
  i860. 
  

   L. 
  metastriata 
  Whitf., 
  U. 
  S. 
  Geol. 
  Surv., 
  Mou. 
  9, 
  p. 
  165, 
  

   pi. 
  23, 
  figs. 
  6-7, 
  1885. 
  

   This 
  is 
  a 
  beautiful 
  little 
  species 
  preserving 
  not 
  only 
  all 
  the 
  

   delicate 
  surface 
  markings, 
  but 
  also 
  some 
  of 
  the 
  original 
  color 
  of 
  

   the 
  shell. 
  

  

  Originally 
  described 
  from 
  Eufaula, 
  Ala. 
  

   Locality. 
  — 
  Rayburn's 
  salt 
  works. 
  

  

  I/Cgumen 
  planulatum, 
  Plate 
  51, 
  fig. 
  i. 
  

  

  Syn. 
  — 
  Solemya 
  pla7iulata 
  Con., 
  Acad. 
  Nat. 
  Sci. 
  Phila., 
  Jr., 
  vol. 
  

   2, 
  p. 
  274, 
  pi. 
  24, 
  fig. 
  II. 
  Legjimen 
  pla^iulattini 
  Con., 
  

   Acad, 
  etc., 
  Jr. 
  vol. 
  4, 
  p. 
  277. 
  

   Legumen 
  planulaturn 
  Whitf., 
  U. 
  S. 
  Geol. 
  Surv., 
  Mon. 
  9, 
  

   p. 
  184, 
  pi. 
  25, 
  figs. 
  3-4. 
  

   Specimens 
  all 
  imperfect, 
  yet 
  showing 
  well 
  their 
  characteristic 
  

   flattened 
  form 
  

  

  Locality. 
  — 
  Rayburn's 
  salt 
  works. 
  

  

  GASTROPODA 
  

   Avellana 
  bullata, 
  

  

  Syn. 
  — 
  " 
  To))iitella? 
  bidlata^' 
  Morton, 
  Synop. 
  Org. 
  Rem., 
  p. 
  48, 
  

  

  pi. 
  5, 
  fig. 
  3, 
  1834. 
  

  

  A 
  vella7ia 
  bullata 
  V^hit^^Xd, 
  Xi 
  . 
  S. 
  Geol. 
  Surv,, 
  Mon. 
  18, 
  

  

  p. 
  163, 
  pi. 
  20, 
  figs. 
  1-4, 
  1892. 
  

  

  Though 
  we 
  possess 
  but 
  a 
  small 
  fragment 
  of 
  this 
  species, 
  it 
  is 
  

  

  sufiicient 
  to 
  show.the 
  characteristic 
  labrum 
  and 
  surface 
  markings 
  

  

  of 
  the 
  species. 
  

  

  Locality. 
  — 
  Rayburn's 
  salt 
  w^orks. 
  

  

  I/axispira 
  lumbricalis, 
  Plate 
  51, 
  fig. 
  3. 
  

  

  Syn. 
  — 
  L. 
  lumbricalis 
  is 
  Gabb. 
  Ac. 
  Nat, 
  Sci. 
  Phila., 
  Proc, 
  1876, 
  p. 
  

  

  301, 
  pi. 
  17, 
  fig. 
  7. 
  

  

  L. 
  lumbricalis 
  Whitfield, 
  U. 
  S. 
  Geol, 
  Surv., 
  Mon. 
  18, 
  p. 
  

  

  148, 
  pi. 
  18, 
  fig. 
  25. 
  

  

  The 
  figures 
  represent 
  but 
  small 
  portions 
  of 
  perfect 
  specimens 
  

  

  of 
  this 
  species. 
  They 
  show, 
  however, 
  the 
  characteristic 
  spiral 
  

  

  markings. 
  

  

  Locality. 
  — 
  Rayburn's 
  salt 
  works. 
  

  

  