﻿GEOLOGY 
  OF 
  SARATOGA 
  SPRINGS 
  AND 
  VICINITY 
  97 
  

  

  Lyrodesma 
  schucherti 
  Rued. 
  

   Solenomya 
  ? 
  insperata 
  Rued. 
  

   Cuneamya 
  acutifrons 
  Ulrich 
  

  

  Gastropoda 
  

  

  Archinacella 
  orbiculata 
  (Hall) 
  

   Cyclonema 
  montrealense 
  Billings 
  

  

  C. 
  cushingi 
  Rued. 
  

   Clathrospira 
  subconica 
  Hall 
  

   Pterotheca 
  cf. 
  canaliculata 
  (Hall) 
  

  

  Crustacea 
  

  

  Eoharpes 
  ottawensis 
  Billings 
  

   Trinucleus 
  concentricus 
  (Eaton) 
  

   Proetus 
  undulostriatus 
  (Hall) 
  

   Calymmene 
  senaria 
  Conrad 
  

   Lepidocoleus 
  jamesi 
  H. 
  & 
  W 
  . 
  

   Ctenobolbina 
  subrotunda 
  Rued. 
  

   Technophorus 
  cancellatus 
  Rued. 
  

  

  Other 
  localities 
  which 
  deserve 
  notice 
  are: 
  

  

  1 
  The 
  shore 
  i 
  to 
  2 
  miles 
  north 
  of 
  Snake 
  hill, 
  where 
  the 
  shales 
  

   contain 
  : 
  

  

  Dicranograptus 
  nicholsoni 
  Hopkinson, 
  abundant 
  

   Diplograptus 
  amplexicaulis 
  var. 
  pertenuis 
  Rued. 
  

  

  D. 
  (Mesograptus) 
  putillus 
  Hall 
  

   Archinacella 
  orbiculata 
  (Hall) 
  

   Leptobolus 
  sp. 
  

  

  2 
  West 
  shore 
  of 
  lake 
  (Edgewater 
  Park, 
  Rileys 
  etc.) 
  : 
  

   Dicranograptus 
  nicholsoni 
  Hopkinson 
  

   Glossograptus 
  quadrimucronatus 
  mut. 
  pertenuis 
  Rued. 
  

   Diplograptus 
  amplexicaulis 
  Hall 
  

  

  D. 
  amplexicaulis 
  var. 
  pertenuis 
  Rued. 
  

   D. 
  (Mesograptus) 
  putillus 
  Hall 
  

   Climacograptus 
  spiniferus 
  Rued. 
  

  

  3 
  A 
  thin 
  sandstone 
  band 
  in 
  the 
  shale 
  at 
  the 
  foot 
  of 
  the 
  hills 
  

   east 
  of 
  Moses 
  kill 
  contains: 
  

  

  Schizocrinus 
  cf. 
  nodosus 
  Hall 
  (joints) 
  

   Dalmanella 
  testudinaria 
  (Dalman) 
  

   Plectambonites 
  sericeus 
  (Sowerby) 
  

   Rafinesquina 
  alternata 
  (Emmons) 
  

   Cyclora 
  cf. 
  minuta 
  Hall 
  

   4 
  

  

  