﻿

  \i.\v 
  STORK 
  STATE 
  MUSEUM 
  

  

  Station 
  13. 
  Buttermilk 
  fall, 
  Watervliet 
  

   N 
  ' 
  ' 
  ailed 
  Buttermilk 
  fall 
  (station 
  13) 
  just 
  south 
  of 
  the 
  

  

  ,,,M| 
  ' 
  V 
  ,>,n 
  - 
  Diplograptus 
  pu 
  till 
  us, 
  Hall 
  was 
  found 
  In 
  

   black 
  sIki 
  

  

  Station 
  14. 
  Rural 
  cemetery, 
  Albany 
  

   One 
  mile 
  directly 
  south 
  of 
  the 
  last 
  two 
  localities 
  lies 
  the 
  Rural 
  

   of 
  Albany 
  (station 
  14). 
  Here 
  a 
  rich 
  fauna 
  was 
  dis- 
  

   I 
  by 
  Dp 
  Clarke 
  in 
  a 
  road 
  metal 
  quarry 
  close 
  to 
  Prof 
  . 
  James 
  

   Hall's 
  grave. 
  The 
  rock 
  is 
  a 
  deep 
  black, 
  strongly 
  carbonaceous, 
  

   argillaceous 
  shale. 
  It 
  contains: 
  

   Ortbograpfas 
  quadrimucronatue, 
  HaU 
  sp. 
  in 
  great 
  profusion 
  

   and 
  exquisite 
  preservation, 
  in 
  fact 
  in 
  the 
  best 
  state 
  of 
  pr 
  

   (•nation 
  of 
  rhabdosomes 
  of 
  graptolites 
  ever 
  seen 
  by 
  the 
  

   writer 
  in 
  shale. 
  

   Diplograptus 
  putillus, 
  Hall 
  

   l>. 
  spinulosus 
  */>. 
  //. 
  

   Ooryix 
  ui-tiis. 
  Lapworth 
  

  

  Denrirograptus 
  */>. 
  1 
  

  

  bere 
  occur 
  Id 
  the 
  shale 
  of 
  the 
  Rural 
  cemetery 
  extremely 
  fine 
  and 
  

   der, 
  chittnous, 
  Irregular 
  branching 
  threads 
  of 
  undoubted 
  graptolitic 
  

   are 
  roUed 
  np, 
  the 
  larger 
  and 
  smaller 
  branches 
  separately, 
  

   into 
  an 
  Intricate, 
  Irregularly 
  convolute 
  mass. 
  Such 
  a 
  form 
  has 
  been 
  

   described 
  and 
  figured 
  by 
  Emmons 
  American 
  geology. 
  1875. 
  pt 
  2. 
  p. 
  109. 
  

   i'i-i- 
  &i 
  i 
  Nemagrap.Bus 
  caplllarls. 
  HaU 
  did 
  not 
  recog- 
  

  

  the 
  genus, 
  as 
  one 
  of 
  Emmons's 
  species, 
  N. 
  elegans 
  is 
  

   " 
  nIy 
  a 
  figment 
  of 
  Coenograptus 
  gracilis, 
  and 
  the 
  rela- 
  

   b 
  of 
  the 
  other 
  form, 
  N. 
  caplllarls, 
  on 
  which 
  neither 
  thecae 
  

   nor 
  thecal 
  apertures 
  were 
  observed, 
  "can 
  scarcely 
  be 
  determined 
  from 
  

   '11:43; 
  13:211). 
  The 
  genua 
  was 
  later 
  accepted 
  by 
  

   rth, 
  but 
  Boemer 
  (54:587) 
  remarks 
  that 
  Hall, 
  having 
  access 
  to 
  the 
  

   rtalnly 
  better 
  prepared 
  to 
  Judge 
  its 
  value. 
  Ami 
  (Bui. 
  geol. 
  

   1s: 
  "- 
  " 
  table 
  P- 
  195) 
  reports 
  11 
  doubtfully 
  from 
  the 
  Cau- 
  

   and 
  Gurley, 
  after 
  having 
  described 
  a 
  form 
  as 
  belonging 
  

   i 
  a 
  sra 
  ptue 
  which 
  he 
  later 
  recognized 
  to 
  be 
  a 
  Tha 
  m 
  nograp- 
  

   that 
  be 
  has 
  found 
  typical 
  specimens 
  of 
  Nemagraptus 
  

   at 
  Stockport, 
  Columbia 
  «-,,.. 
  but 
  does 
  Dot 
  describe 
  them 
  

   'a 
  material 
  shows 
  all 
  the 
  features 
  Indicated 
  by 
  

   tn 
  the 
  figure 
  mentioned 
  and 
  the 
  material 
  suggest 
  that 
  

   ' 
  the 
  broken 
  terminal 
  filiform 
  branches 
  of 
  some 
  delicate 
  

   Ptolite 
  which, 
  drifting 
  about, 
  were 
  roUed 
  op. 
  A 
  comparison 
  

   •endrograpl 
  as 
  tenuiramosus, 
  Walcott 
  

   ZL 
  * 
  L 
  L 
  n 
  * 
  '' 
  fr 
  " 
  r 
  " 
  the 
  I 
  ale 
  shows 
  that 
  our 
  form 
  on 
  the 
  

  

  