﻿INDEX 
  

  

  Acrotreta 
  emmonsi, 
  72 
  

  

  sagittalis 
  taconica, 
  72 
  

   Adams, 
  F. 
  D., 
  cited, 
  24 
  

   Adirondack 
  highland, 
  8-10 
  

   Agraulos, 
  37, 
  38 
  

  

  saratogensis, 
  42 
  

   Albany, 
  molding 
  sand, 
  148 
  

   Albany 
  county, 
  Canajoharie 
  shale, 
  

  

  100 
  

   Albany, 
  Lake, 
  146, 
  147 
  

   Amphibolite, 
  18, 
  19, 
  20, 
  21 
  

   Amsterdam 
  limestone, 
  31, 
  45-47, 
  60, 
  

  

  61, 
  62, 
  63, 
  138, 
  139, 
  149, 
  151, 
  165 
  

   Analyses, 
  diabases, 
  30; 
  Laurentian 
  

  

  granite, 
  24 
  

   Andesine, 
  18, 
  28 
  

   Anorthosite, 
  16, 
  26 
  

   Apatite, 
  21, 
  23, 
  28 
  

   Archinacella 
  orbiculata, 
  97, 
  99 
  

   Arthroclema 
  pulchellum, 
  47 
  

   Asaphus 
  platycephalus, 
  76 
  

   Ashburner, 
  C. 
  A., 
  mentioned, 
  90 
  

   Atops 
  trilineatus, 
  66, 
  108 
  

   Augite, 
  29 
  

  

  Bald 
  Mountain, 
  7, 
  14, 
  66, 
  72, 
  73, 
  

  

  77, 
  108, 
  114 
  

   Bald 
  Mountain 
  limestone, 
  66, 
  75- 
  

  

  80, 
  106, 
  108, 
  no, 
  113, 
  141, 
  149, 
  151, 
  

  

  165; 
  first 
  use 
  of 
  term, 
  78 
  

   Ballston 
  Springs, 
  101, 
  105 
  

   Bassler, 
  R. 
  S., 
  cited, 
  83 
  

   Bathyurus 
  spiniger, 
  47 
  

   Batten 
  kill, 
  13, 
  14, 
  103, 
  in, 
  112 
  

   Beekmantown 
  group, 
  138 
  

   Beekmantown 
  limestone, 
  42, 
  66, 
  

  

  108, 
  165 
  

   Biotite, 
  18, 
  21, 
  23, 
  28 
  

   Black 
  lake, 
  10 
  

   Black 
  .mica, 
  18, 
  21 
  

   Black 
  patch 
  grit, 
  67, 
  69 
  

   Black 
  River 
  history, 
  138-42 
  

   Black 
  River 
  limestone, 
  31 
  

  

  Bomoseen 
  grit, 
  66, 
  69, 
  71 
  

   Botsfordia 
  caelata, 
  72 
  

   Brainerd, 
  E.. 
  cited, 
  42 
  

   Broadalbin 
  quadrangle, 
  5 
  

   Bythocypris 
  cylindrica, 
  80 
  

  

  Calymmene 
  senaria, 
  76, 
  97 
  

   Cambric 
  black 
  shale, 
  67, 
  69 
  

   Cambric 
  history, 
  32-45, 
  136-37 
  

   Cambric 
  roofing 
  slates, 
  67, 
  69 
  

   Cameroceras 
  brainerdi, 
  77 
  

   Canajoharie 
  shale, 
  31, 
  47, 
  48-51, 
  59, 
  

  

  60, 
  61, 
  100, 
  101, 
  102, 
  105, 
  139, 
  165 
  

   Carabocrinus 
  cf. 
  radiatus, 
  96 
  

   Carbonated 
  waters, 
  153-54 
  

   Cenozoic 
  history, 
  145-46 
  

   Ceratiocaris, 
  67 
  

  

  Ceraurus 
  cf. 
  pleurexanthemus, 
  80 
  

   Chadwick, 
  G. 
  H., 
  cited, 
  115 
  

   Chazy 
  basin, 
  31 
  ; 
  deposits, 
  136-37 
  

   Chazy 
  limestone, 
  66, 
  138, 
  165 
  

   Chrysoberyl, 
  23 
  

   Clark, 
  P. 
  Edwin, 
  cited, 
  112 
  

   Clark 
  Mills, 
  103 
  

   Clarke, 
  F. 
  W., 
  cited, 
  164 
  

   Clarke, 
  J. 
  M., 
  cited, 
  38, 
  42 
  

   Clathrospira 
  subconica, 
  97 
  

   Clidophorus, 
  99 
  

  

  foerstei, 
  96 
  

  

  ventricosus, 
  96 
  

   Climacograptus 
  bicornis, 
  86, 
  92, 
  93 
  

  

  modestus. 
  86, 
  92 
  

  

  parvus, 
  91, 
  92, 
  93 
  

  

  putillus 
  var. 
  eximius, 
  93 
  

  

  scharenbergi, 
  91 
  

  

  spiniferus, 
  50, 
  97, 
  99 
  

   Clinton 
  county, 
  29, 
  34 
  

   Clitambonites 
  americanus, 
  96 
  

   Columbia 
  county, 
  table 
  showing 
  the 
  

  

  Lower 
  Cambric 
  series, 
  68 
  

   Columnaria 
  halli, 
  47 
  

   Conocoryphe 
  si>., 
  67 
  

  

  171 
  

  

  