﻿HUDSON 
  RIVER 
  BEDS 
  NEAR 
  ALBANY 
  545 
  

  

  Conradella 
  compressa, 
  Hall 
  sp. 
  r 
  

  

  Pterygometopus 
  callicephalus, 
  Hall. 
  sp. 
  r 
  

  

  Iso'telus 
  cf. 
  gigas, 
  De 
  Kay. 
  c 
  

  

  Macronotella 
  ulrich 
  sp. 
  n. 
  r 
  

  

  Bollia 
  sp. 
  n. 
  r 
  

  

  In 
  pebbles 
  of 
  a 
  very 
  fine 
  grained, 
  dull 
  black 
  limestone 
  were 
  

   found: 
  

  

  Callopora 
  anipla, 
  Ulrich. 
  c 
  

  

  C. 
  multitabulata, 
  Ulrich. 
  c 
  

  

  Dalmanella 
  testudinaria, 
  Dolman 
  sp. 
  c 
  

  

  Platystrophia 
  biforata, 
  Schlotheim 
  sp. 
  c 
  

  

  Plectam'bonites 
  sp. 
  n. 
  aff. 
  gibbosa, 
  Winchell 
  dc 
  Schuchcrt. 
  cc 
  

  

  Christiania 
  trentonensis 
  sp. 
  n. 
  r 
  

  

  Eccyliopterus 
  sp. 
  n. 
  r 
  

  

  Pterygometopus 
  callicephalus, 
  Hall 
  sp. 
  c 
  

  

  Ceraurus 
  pleurexanthenius, 
  Hall, 
  r 
  

  

  Conularia 
  trentonensis, 
  Hall. 
  Young 
  specimen, 
  r 
  

   The 
  matrix 
  contained: 
  

  

  Pachydictya 
  sp. 
  c 
  

  

  Sftromatocerium 
  sp. 
  cc 
  

  

  Kannesquina 
  alternata_, 
  Emmons 
  sp. 
  c 
  

  

  Plectambonites 
  sericea, 
  Soiverby 
  sp. 
  var. 
  aspera, 
  James, 
  r 
  

  

  Strophomena 
  incurvata, 
  Shepard 
  sp. 
  r 
  

  

  Plectambonites, 
  sp. 
  n. 
  aff. 
  gibbosa, 
  Winchell 
  & 
  Schuchcrt. 
  r 
  

  

  Of 
  these 
  forms 
  Strep 
  telasma 
  corniculum 
  occurs, 
  

   according 
  to 
  Hall, 
  principally 
  in 
  the 
  lower 
  Trenton; 
  Winchell 
  

   and 
  Schuchert 
  report 
  it 
  from 
  the 
  lower 
  and 
  middle 
  Trenton; 
  

   Callopora 
  ampla 
  and 
  multitabulata 
  are 
  both 
  Black 
  

   river 
  and 
  lower 
  Trenton 
  forms 
  in 
  the 
  west 
  ; 
  Pachydictya 
  is 
  

   principally 
  developed 
  in 
  the 
  lower 
  and 
  middle 
  Trenton; 
  Stro- 
  

   phomena 
  incurvata 
  occurs 
  according 
  to 
  Hall 
  in 
  the 
  lower 
  

   Trenton 
  at 
  Middleville, 
  is 
  reported 
  by 
  White 
  from 
  the 
  same 
  bed 
  

   with 
  Diplograptus 
  amplexicaulis, 
  and 
  may 
  there- 
  

   fore, 
  rise 
  into 
  the 
  middle 
  Trenton; 
  and 
  in 
  the 
  west 
  it 
  is 
  princi- 
  

  

  ^he 
  new 
  fossils 
  of 
  this 
  and 
  the 
  next 
  station 
  will 
  be 
  described 
  in 
  a 
  

   separate 
  paper. 
  

  

  