﻿174 
  

  

  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  Lake 
  Vermont, 
  147 
  

   Lasiograptus 
  bimucronatus, 
  93 
  

  

  eucharis, 
  50, 
  51, 
  98, 
  99 
  

   Laurentian 
  granite, 
  16, 
  17, 
  21-22, 
  25, 
  

  

  149; 
  analyses, 
  24 
  

   Leperditia 
  n. 
  sp., 
  47 
  

  

  dermatoidea, 
  67 
  

   Lepidocoleus 
  jamesi, 
  97 
  

   Leptobolus 
  sp., 
  93, 
  97 
  

  

  insignis, 
  50, 
  98 
  

  

  walcotti, 
  92 
  

   Leptograptus 
  sp., 
  91 
  

  

  flaccidus 
  mut. 
  trentonensis, 
  92 
  

   Levis 
  trough, 
  114 
  

   Limestones, 
  7, 
  17, 
  19, 
  20, 
  151-52 
  

   Lingula, 
  67 
  

  

  sp., 
  80 
  

   Lingulella 
  (Lingulepis) 
  acuminata, 
  

   35- 
  38, 
  39, 
  42, 
  44 
  

   coelata, 
  67 
  

   granvillensis, 
  67, 
  72 
  

   Lingulepis 
  acuminata, 
  34, 
  38, 
  42 
  

   Linnarsonia 
  sagittalis 
  var. 
  taconica, 
  

  

  67 
  

   Liospira 
  sp., 
  77 
  

  

  Little 
  Falls, 
  10 
  

  

  Little 
  Falls 
  dolomite, 
  31, 
  32, 
  39, 
  40, 
  

   42-45, 
  58, 
  59, 
  60, 
  61, 
  62, 
  137, 
  139, 
  

   141, 
  149, 
  150, 
  155, 
  161, 
  165 
  

  

  Lonchocephalus 
  calciferus, 
  42 
  

  

  Lonely 
  lake, 
  15 
  

  

  Long 
  Lake 
  quadrangle, 
  28 
  

  

  Lorraine 
  formation, 
  52 
  

  

  Lowville 
  limestone, 
  138, 
  139 
  

  

  Lyrodesma 
  schucherti, 
  97 
  

  

  McGregor 
  fault, 
  54, 
  60 
  

  

  Maclurea, 
  76 
  

  

  Magnetite, 
  21, 
  28, 
  29 
  

  

  Martinsburg 
  shale, 
  51 
  

  

  Matherella 
  saratogensis, 
  42 
  

  

  Matthewia 
  variabilis, 
  42 
  

  

  Mechanicsville, 
  91 
  

  

  Merrill, 
  F. 
  J. 
  H., 
  cited, 
  76 
  

  

  Mesograptus 
  mohawkensis, 
  see 
  Dip- 
  

   lograptus 
  (Mesograptus) 
  mo- 
  

   hawkensis 
  

  

  Mesograptus 
  putillus, 
  see 
  Diplograp- 
  

   tus 
  (Mesograptus) 
  putillus 
  

  

  Mesozoic 
  history, 
  143-45 
  

  

  Mettawee 
  slate, 
  69 
  

  

  Mica, 
  18, 
  20, 
  21, 
  23, 
  27 
  

  

  Microcline, 
  23 
  

  

  Microdiscus 
  connexus, 
  67 
  

   lobatus, 
  67 
  

   speciosus, 
  67 
  

  

  Microperthite, 
  23, 
  24 
  

  

  Middle 
  Falls, 
  75, 
  77, 
  78, 
  152 
  

  

  Miller, 
  W. 
  J., 
  acknowledgments 
  to, 
  

   6 
  ; 
  part 
  of 
  Saratoga 
  quadrangle 
  

   mapped 
  by, 
  5 
  ; 
  report 
  on 
  Broadal- 
  

   bin 
  quadrangle, 
  5; 
  cited, 
  27, 
  31, 
  

  

  34, 
  35, 
  39, 
  47, 
  53, 
  54, 
  56 
  

   Mineral 
  springs, 
  relations 
  to 
  shale 
  

  

  belt, 
  165-67 
  

   Mineral 
  waters, 
  152-64 
  

   Mohawk 
  lowland, 
  10, 
  114 
  

   Mohawk 
  region, 
  faults, 
  54-57 
  

   Molding 
  sand, 
  148 
  

   Moordener 
  kill, 
  82 
  

   Moraines, 
  13-14 
  

   Moreau 
  pond, 
  15 
  

   Morley, 
  E. 
  W., 
  cited, 
  24 
  

   Moses 
  kill, 
  in 
  

   Mt 
  McGregor, 
  26, 
  101 
  

   Murchisonia 
  sp., 
  42 
  

  

  cassina, 
  see 
  Hormotoma 
  

   (Murchisonia) 
  cassina 
  

  

  Nassau 
  beds, 
  70 
  

   Normanskill 
  fauna, 
  91 
  

   Normanskill 
  grit, 
  86-91, 
  152 
  

   Normanskill 
  shale, 
  49, 
  66, 
  73, 
  84-93, 
  

  

  102, 
  in, 
  113, 
  142, 
  165 
  

   North 
  Milton, 
  46 
  

   Northumberland 
  volcanic 
  plug, 
  115- 
  

  

  35, 
  107, 
  149, 
  163 
  

  

  Obolella, 
  67 
  

  

  crassa, 
  72 
  

   Obolus 
  prindlei, 
  72 
  

   Olenellus, 
  67 
  

  

  sp., 
  72 
  

   Oligoclase, 
  18, 
  23, 
  24 
  

   Olive 
  grit, 
  67, 
  69, 
  71 
  

   Olivine, 
  29 
  

   Oolite, 
  39 
  

   Ophileta, 
  78 
  

  

  