﻿G. 
  K. 
  VINE 
  OK 
  THE 
  WEDLOCK 
  POLYZOA. 
  45 
  

  

  out 
  the 
  details, 
  to 
  add 
  many 
  particulars 
  to 
  our 
  present 
  knowledge 
  

   respecting 
  their 
  range 
  and 
  variability 
  in 
  the 
  shales. 
  It 
  will 
  suffice 
  

   for 
  the 
  present 
  if 
  I 
  merely 
  remark 
  that 
  the 
  Primitive 
  and 
  some 
  of 
  

   the 
  Beyrichice 
  have 
  a 
  closer 
  affinity 
  to 
  Swedish 
  than 
  to 
  British 
  types. 
  

   The 
  close 
  resemblance 
  of 
  some 
  of 
  the 
  Cytherce 
  and 
  Cytherellce 
  to 
  

   Carboniferous 
  forms 
  has 
  already 
  been 
  alluded 
  to 
  by 
  Prof. 
  Rupert 
  

   Jones, 
  F.R.S. 
  

  

  I 
  have 
  not 
  been 
  able 
  to 
  add 
  many 
  species 
  to 
  the 
  class 
  Annelida. 
  I 
  

   have 
  not 
  had 
  such 
  free 
  access 
  to 
  the 
  literature 
  of 
  the 
  class 
  as 
  I 
  

   could 
  have 
  desired 
  ; 
  but 
  several 
  of 
  the 
  washings 
  have 
  yielded 
  a 
  large 
  

   variety 
  of 
  Annelids, 
  whilst 
  in 
  other 
  washings 
  I 
  have 
  not 
  found 
  a 
  

   single 
  one. 
  Spirorbis 
  is 
  remarkably 
  rare. 
  

  

  The 
  Echinodermata 
  are 
  mainly 
  represented 
  by 
  the 
  jointed 
  stems 
  

   of 
  several 
  species 
  of 
  Crinoidea 
  5 
  and 
  the 
  cups 
  of 
  two 
  species 
  at 
  least, 
  

   one 
  of 
  which 
  is 
  apparently 
  related 
  to 
  OyatJiocrinus 
  ramosus, 
  Schl., 
  as 
  

   figured 
  by 
  King 
  in 
  his 
  ' 
  Permian 
  Fossils,' 
  pi. 
  vi. 
  figs. 
  1 
  and 
  2. 
  An 
  im- 
  

   mense 
  number 
  of 
  separated 
  costal 
  plates 
  and 
  many 
  scapular 
  plates 
  of 
  

   Crinoids, 
  and 
  some 
  few 
  plates 
  of 
  Cystoids, 
  similar 
  to 
  those 
  alluded 
  

   to 
  and 
  figured 
  by 
  Nicholson 
  and 
  Etheridge 
  in 
  the 
  ' 
  Monograph 
  of 
  

   Silurian 
  Fossils 
  ' 
  *, 
  fasc. 
  iii. 
  pi. 
  22, 
  are 
  also 
  present. 
  

  

  The 
  Crustacea, 
  excepting 
  the 
  Entomostraca, 
  are 
  represented 
  by 
  

   fragments 
  of 
  Trilobita, 
  several 
  of 
  the 
  separated 
  elements 
  of 
  the 
  head, 
  

   thorax, 
  and 
  pygidium, 
  some 
  of 
  which 
  are 
  well 
  preserved. 
  

  

  The 
  Actinozoa 
  are 
  also 
  largely 
  represented 
  both 
  as 
  species 
  and 
  

   individuals. 
  Some 
  of 
  the 
  genera 
  are 
  Monticulipora 
  and 
  its 
  several 
  

   subgenera, 
  Alveolites, 
  Ccenites, 
  Halysites, 
  and 
  Heliolites 
  ; 
  but 
  these 
  

   require 
  separate 
  working, 
  since 
  the 
  writings 
  of 
  Professor 
  Nicholson 
  

   have 
  shown 
  how 
  fallible 
  are 
  all 
  the 
  descriptive 
  labours 
  founded 
  

   upon 
  external 
  facies 
  or 
  of 
  habit 
  only. 
  The 
  genus 
  Fistulipora^ 
  

   M' 
  Coy, 
  the 
  separated 
  fragments 
  of 
  Syriiigopora 
  fascicularis, 
  Ed. 
  & 
  

   Haime, 
  and 
  Alveolites 
  ? 
  seriatoporides 
  are 
  very 
  abundant. 
  

  

  In 
  only 
  one 
  washing, 
  that 
  of 
  the 
  shales 
  over 
  the 
  Wenlock 
  Lime- 
  

   stone, 
  have 
  I 
  found 
  any 
  fragments 
  of 
  Plantae 
  ; 
  and 
  these 
  I 
  can 
  

   only 
  refer 
  to 
  doubtfully. 
  The 
  Macrospores 
  in 
  the 
  list 
  are, 
  how- 
  

   ever, 
  unique 
  ; 
  they 
  are 
  unlike 
  the 
  Macrospores 
  of 
  the 
  Carboni- 
  

   ferous 
  series 
  ; 
  but 
  even 
  these 
  I 
  cannot 
  build 
  much 
  upon. 
  Never- 
  

   theless 
  they 
  find 
  a 
  place 
  in 
  the 
  Catalogue. 
  

  

  With 
  regard 
  to 
  the 
  Polyzoa 
  of 
  the 
  shales 
  the 
  paper 
  itself 
  will 
  be 
  suffi- 
  

   ciently 
  explicit. 
  I 
  am 
  surprised 
  that 
  so 
  few 
  genera 
  are 
  represented, 
  

   and, 
  comparatively 
  speaking, 
  so 
  few 
  species. 
  Some 
  of 
  the 
  species 
  are 
  

   very 
  scarce, 
  so 
  that 
  I 
  have 
  had, 
  to 
  a 
  large 
  extent, 
  to 
  depend 
  upon 
  

   external 
  characters. 
  Apparently 
  many 
  more 
  species 
  could 
  have 
  been 
  

   added 
  to 
  the 
  list 
  ; 
  but 
  I 
  have 
  preferred 
  to 
  restrict 
  the 
  number 
  unless 
  

   there 
  was 
  ample 
  evidence 
  to 
  support 
  their 
  being 
  placed 
  with 
  the 
  

   class. 
  There 
  has 
  been 
  a 
  tendency 
  of 
  late 
  amongst 
  palaeontologists 
  

   to 
  pass 
  over 
  from 
  the 
  Actinozoa 
  to 
  the 
  Polyzoa 
  some 
  at 
  least 
  of 
  the 
  

   species 
  that 
  have 
  heretofore 
  been 
  placed 
  with 
  the 
  Tabulata 
  ; 
  and 
  

   Milne-Edwards 
  and 
  Haime, 
  in 
  their 
  ' 
  Silurian 
  Corals 
  ' 
  f 
  , 
  had 
  their 
  

  

  * 
  ' 
  Monograph 
  of 
  the 
  Silurian 
  Fossils 
  of 
  the 
  Grirvan 
  District 
  in 
  Ayrshire.' 
  

   t 
  Pages 
  276-278. 
  

  

  