﻿

  ATE 
  V 
  

  

  Station 
  7. 
  Peoble's 
  island, 
  Waterford 
  

  

  in 
  a 
  similar 
  black 
  Blate 
  on 
  Peoble's 
  island 
  (station 
  7), 
  in 
  the 
  

   Hudson 
  river 
  opposite 
  Waterford 
  and 
  abont 
  ii 
  miles 
  southwest 
  of 
  

   point, 
  were 
  found: 
  

   Olimacograptos 
  typicalis, 
  Hull 
  

   ptobol 
  j, 
  HnU 
  

  

  Station 
  8. 
  Van 
  Schaick 
  island 
  

  

  This 
  large 
  island 
  ties 
  directly 
  1 
  smith 
  of 
  Peoble's 
  island 
  and 
  

  

  forms 
  a 
  part 
  of 
  the 
  city 
  of 
  Cohoes. 
  The 
  construction 
  of 
  a 
  sewer 
  

   item 
  provided 
  ha 
  "d 
  opportunity 
  of 
  collecting 
  in 
  the 
  com- 
  

  

  pact, 
  Mark, 
  carbonaceous 
  Bhales 
  of 
  the 
  northern 
  part 
  of 
  the 
  is- 
  

   land. 
  The 
  shale 
  contain-: 
  

   Diplograptns 
  foliaceus, 
  Murchison 
  sp. 
  

   D. 
  putillus, 
  //////. 
  r 
  

  

  ftptna 
  tricon 
  ruthcrs 
  (=Diplograptus 
  marcidus, 
  

  

  Jhilh 
  r 
  

  

  - 
  proteiforme, 
  Hall 
  - 
  

  

  Leptobolos 
  insignis, 
  //'///. 
  r 
  

   8 
  bizocrania 
  fifoea, 
  Ifnii. 
  v 
  

  

  While 
  the 
  general 
  character 
  of 
  the 
  rock 
  and 
  fauna 
  is 
  distinctly 
  

  

  that 
  of 
  Utica 
  beds, 
  the 
  occurrence 
  of 
  Cry 
  pt 
  ograpt 
  us 
  tri- 
  

  

  corn 
  rhollv 
  unexpected 
  and 
  difficult 
  of 
  explanation, 
  as 
  

  

  _ 
  aptolite 
  thus 
  far 
  has 
  been, 
  in 
  America, 
  observed 
  only 
  as 
  a 
  

  

  ober 
  of 
  the 
  upper 
  and 
  lower 
  Dioellograptus 
  faunas, 
  and 
  in 
  

  

  d 
  to 
  the 
  Glenkiln 
  shales, 
  which 
  are 
  homotaxial 
  

  

  with 
  the 
  Normans 
  kill 
  or 
  lower 
  Di 
  cell 
  ograpt 
  us 
  shales. 
  The 
  pres. 
  

  

  ■ 
  ^raptolite 
  points 
  evidently 
  to 
  a 
  position 
  of 
  these 
  b 
  

  

  -•• 
  <«f 
  lie- 
  Utica 
  horizon. 
  

  

  Station 
  9. 
  North 
  shore 
  of 
  Green 
  Island 
  

  

  111 
  !Iir 
  along 
  the 
  northern 
  shore 
  of 
  Green 
  Island, 
  directly 
  

  

  railroad 
  brid| 
  il 
  fossil-bearing 
  bands 
  were 
  

  

  foond 
  in 
  " 
  - 
  Two 
  of 
  ih.-.- 
  were 
  calcareous, 
  ami 
  consisted 
  

  

  ;|1 
  " 
  tirelj 
  of 
  ralves 
  of 
  teachiopoda, 
  a 
  third 
  was 
  a 
  black 
  

  

  oompacl 
  mudstone, 
  which 
  in 
  one 
  place 
  was 
  highly 
  charged 
  with 
  

  

  b 
  The 
  ted 
  wei 
  

  

  