﻿INDEX 
  

  

  The 
  superior 
  figures 
  tell 
  the 
  exact 
  place 
  on 
  the 
  page 
  in 
  ninths; 
  e. 
  g. 
  190' 
  

   means 
  page 
  190, 
  beginning 
  in 
  the 
  third 
  ninth 
  of 
  the 
  page, 
  i. 
  e. 
  about 
  one 
  

   third 
  of 
  the 
  way 
  down. 
  

  

  Abbot, 
  Francis, 
  hermit 
  of 
  Niagara, 
  

  

  Acroculia 
  angulata, 
  21 
  1^ 
  

  

  niagarensis, 
  21 
  1^ 
  

   Aechmina, 
  22o\ 
  

  

  spinosa, 
  220^ 
  

   Age 
  of 
  Niagara, 
  82^-85". 
  

   Alasmidonta, 
  25o'-5i\ 
  

  

  calceola, 
  250'. 
  

  

  truncata, 
  250*-5i\ 
  

   Algonquin 
  lake, 
  59", 
  62^; 
  map, 
  63. 
  

  

  river, 
  62'. 
  

   American 
  falls, 
  rate 
  of 
  recession, 
  83^; 
  

  

  illus. 
  facing 
  p. 
  38. 
  

   Amnicola, 
  241^. 
  

  

  letsoni, 
  241*. 
  

  

  limosa, 
  241". 
  

   Anastrophia, 
  189^-901 
  

  

  brevirostris, 
  190^. 
  

  

  interpllcata, 
  100', 
  i9o\ 
  

   Annelida, 
  i6i\ 
  

   Anoplotheca, 
  205^-6^ 
  

  

  hemispherica, 
  96\ 
  205^ 
  

  

  plicatula, 
  96', 
  96', 
  205'-6'. 
  

   Anthozoa, 
  135^-48'. 
  

   Argyle, 
  duke 
  of, 
  quoted, 
  I2^ 
  

   Arthrophycus, 
  132'. 
  

  

  harlani, 
  93**, 
  122^ 
  132^; 
  illus. 
  fac- 
  

   ing 
  p. 
  132. 
  

   Ashburner, 
  C. 
  A., 
  cited, 
  253'. 
  

   Astrocerium 
  constrictum, 
  I42^ 
  

  

  parasiticum, 
  I4I^ 
  

  

  pyriforme, 
  141^-42^. 
  

  

  venustum, 
  140^-41*. 
  

   Atrypa, 
  igS^-Q'^^- 
  

  

  aprinis, 
  200'. 
  

  

  bidens, 
  194*. 
  

  

  bidentata, 
  I95\ 
  

  

  brevirostris, 
  I90^ 
  

  

  camura, 
  20I^ 
  

  

  Atrypa, 
  congesta, 
  204^-5*. 
  

  

  corallifera, 
  I79^ 
  

  

  cuneata, 
  I92^ 
  

  

  cylindrica, 
  203^-41 
  

  

  hemispherica, 
  205^ 
  

  

  intermedia, 
  203*. 
  

  

  interplicata, 
  i9o\ 
  

  

  neglecta, 
  I93^ 
  

  

  nitida, 
  202-. 
  

  

  var. 
  oblata, 
  202^ 
  

  

  nodostriata, 
  loo^ 
  102^ 
  102^, 
  103°, 
  

   I96^ 
  

  

  oblata, 
  203\ 
  

  

  obtusiplicata, 
  193'. 
  

  

  plicatula, 
  205''-6^ 
  

  

  quadricostata, 
  204'*-5*. 
  

  

  reticularis, 
  97^ 
  100*, 
  I02^ 
  103", 
  

   i95'-96'. 
  

  

  robusta, 
  I94^ 
  

  

  rugosa, 
  100^, 
  ig6^-g7^. 
  

   Avicula 
  emacerata, 
  207^ 
  

  

  orbiculata, 
  2o8*-9\ 
  

  

  subplana, 
  208'. 
  

  

  Bakewell, 
  R., 
  cited, 
  253". 
  

   Ballou, 
  H. 
  W., 
  cited, 
  253^ 
  

   Barrandella, 
  igi^. 
  

  

  fornicata, 
  191^ 
  

   Batostomella, 
  i64''-65\ 
  

  

  granulifera, 
  i64*-65\ 
  

   Bed 
  and 
  stratum, 
  distinction 
  between, 
  

  

  108". 
  

   Beyrichia 
  symmetrica, 
  219°. 
  

   Bibliography 
  of 
  geology 
  of 
  Niagara 
  

  

  and 
  Great 
  lakes, 
  253-62. 
  

   Biddle 
  stairway, 
  II^ 
  

   Bigelow, 
  cited, 
  49". 
  

   Bigsby, 
  mentioned, 
  6^ 
  

   Birdseye 
  view 
  of 
  Niagara 
  region, 
  

  

  2f- 
  

  

  