﻿.50 
  

  

  PROCKKDINGS 
  OF 
  Till'; 
  31 
  A 
  I,AC0L0G1CAL 
  SOCIETY. 
  

  

  zone), 
  and 
  the 
  same 
  uiitlior 
  desires 
  me 
  to 
  say 
  that 
  since 
  writing 
  his 
  

   paper 
  he 
  has 
  recognized 
  in 
  tlie 
  collection 
  of 
  Mr. 
  John 
  Smith, 
  of 
  Dairy, 
  

   Ayrshire, 
  five 
  examples 
  of 
  tlie 
  species 
  from 
  Poolvash 
  in 
  the 
  Isle 
  

   of 
  Man. 
  

  

  ]5 
  " 
  

  

  C 
  

  

  fi 
  m 
  5 
  <^S 
  

  

  ill 
  il 
  ill 
  

  

  It. 
  Fig. 
  1. 
  

  

  Fig. 
  2. 
  

  

  es 
  e^ 
  

  

  'V/^ 
  

  

  Fig. 
  :5. 
  

  

  Fig. 
  1. 
  — 
  Olyphioceras 
  vesicttliferum 
  (L. 
  G. 
  deKoninck). 
  

  

  A, 
  median 
  part 
  of 
  the 
  ventral 
  portion 
  of 
  a 
  septal 
  suture, 
  >. 
  f 
  . 
  

  

  B, 
  the 
  lateral 
  portions 
  of 
  the 
  ventral 
  part 
  of 
  another 
  septal 
  suture, 
  x 
  j. 
  

  

  