﻿Index 
  349 
  

  

  Mastodon 
  20 
  

  

  Megalonyx 
  20 
  

  

  Paludina 
  20 
  

  

  Physa 
  20 
  

  

  Planorbis 
  20 
  

  

  Pupa 
  20 
  

  

  Succinea 
  20 
  

  

  Stag 
  20 
  

  

  Natica 
  alaba^niensis 
  PI- 
  55. 
  fig- 
  9, 
  308 
  

  

  aperta 
  PI. 
  55, 
  fig. 
  8, 
  308 
  

  

  eminula 
  PI- 
  55 
  > 
  fig- 
  7 
  . 
  308 
  

  

  Neithea 
  qiiinquecostata 
  PI. 
  49, 
  figs. 
  6, 
  7, 
  294 
  

  

  New 
  Orleans 
  well 
  material, 
  microscopic 
  examination, 
  b}- 
  Edwards. 
  ... 
  36 
  

  

  Negreet, 
  lower 
  74 
  

  

  bayoii 
  138 
  

  

  P. 
  p., 
  Vicinity 
  of 
  68 
  

  

  New' 
  Hope 
  church 
  79 
  

  

  Nita 
  Crevasse, 
  The, 
  Johnson 
  38 
  

  

  Northern 
  Union 
  and 
  Claiborne 
  104 
  

  

  Nuttall 
  15 
  

  

  " 
  Old 
  salt 
  works 
  " 
  55 
  

  

  Old 
  shore 
  line 
  at 
  Cross 
  lake 
  bridge 
  174 
  

  

  Older 
  Tertiary, 
  The 
  195 
  

  

  Oleacecs 
  287 
  

  

  Oligocene 
  93 
  

  

  Olla 
  92 
  

  

  Oniphalina 
  friabilis 
  176 
  

  

  Ostrea 
  crenuliinarginata 
  PI- 
  52, 
  fig. 
  i, 
  a, 
  297 
  

  

  falcata 
  293 
  

  

  falcifortnis 
  77 
  

  

  {Alectryonia) 
  larva 
  293 
  

  

  larva 
  PI. 
  49, 
  fig. 
  3, 
  293 
  

  

  plutnosa. 
  PI. 
  49, 
  fig. 
  4, 
  293 
  

  

  pulaskensis 
  PI- 
  52, 
  fig. 
  2, 
  3, 
  4, 
  298 
  

  

  thirsce 
  .... 
  72 
  

  

  thirscB 
  PI- 
  53, 
  fig- 
  I, 
  300 
  

  

  vesicularis 
  292 
  

  

  Orange 
  sand 
  formation 
  23 
  

  

  Orhitoides 
  32 
  

  

  mantelli 
  30, 
  34 
  

  

  Ouachita 
  92 
  

  

  Ouachita 
  river 
  gravel 
  trains 
  104 
  

  

  Outlet 
  baj-Qus, 
  Formation 
  of 
  161 
  

  

  Oviila 
  subtruncata 
  ' 
  44 
  

  

  Owen 
  19, 
  23 
  

  

  