﻿326 
  PUOCKEDINGS 
  OF 
  THE 
  MALACOLOGICAL 
  SOCIETY. 
  

  

  Left 
  valve. 
  Cardinal 
  teeth 
  (c. 
  2) 
  set 
  obliquely 
  across 
  hinge-plate, 
  

   forming 
  angle 
  of 
  about 
  45° 
  with 
  lower 
  margin, 
  short, 
  and 
  moderately 
  

   pointed 
  ; 
  c. 
  4 
  longer, 
  straighter, 
  almost 
  parallel 
  with 
  hinge-line, 
  and 
  

   stretching 
  towards 
  ligament 
  pit, 
  is 
  almost 
  twice 
  the 
  length 
  of 
  c. 
  2 
  • 
  

   lateral 
  teeth 
  projecting 
  more 
  beyond 
  margin 
  than 
  those 
  of 
  right 
  

   valve 
  ; 
  apices 
  towards 
  the 
  distal 
  ends 
  of 
  ridges, 
  which 
  are 
  boldly 
  

   curved 
  on 
  cardinal 
  and 
  steeply 
  curved 
  on 
  distal. 
  The 
  outline 
  of 
  apex 
  

   curved 
  away 
  from 
  cardinal 
  region. 
  

  

  Examples 
  of 
  this 
  Sphcsnum 
  were 
  also 
  submitted 
  to 
  the 
  late 
  

   Dr. 
  0. 
  Eoettger, 
  who 
  pronounced 
  them 
  to 
  belong 
  to 
  a 
  new 
  species. 
  

   He 
  stated 
  that 
  its 
  nearest 
  ally 
  was 
  Sphcsrimn 
  mmnillanum. 
  West., 
  but 
  

   that 
  it 
  differed 
  from 
  that 
  species 
  in 
  being 
  larger 
  (Westerlund's 
  

   dimensions 
  for 
  his 
  species 
  being 
  8 
  x 
  5^ 
  X 
  4^ 
  mm.), 
  in 
  the 
  umbo 
  being 
  

   far 
  more 
  prominent, 
  and 
  in 
  being 
  a 
  far 
  thicker 
  shell. 
  This 
  species 
  is 
  

   the 
  S. 
  ovale, 
  Fer., 
  of 
  Clement 
  Reid 
  (op. 
  cit., 
  p. 
  230). 
  

  

  Locality 
  and 
  Formation. 
  — 
  Cromerian 
  (Forest 
  Bed) 
  of 
  West 
  Runton, 
  

   Norfolk. 
  

  

  It 
  affords 
  me 
  great 
  pleasure 
  to 
  associate 
  with 
  this 
  species 
  the 
  name 
  

   of 
  the 
  Rev. 
  R. 
  Ashington 
  BuUen, 
  B.A., 
  whose 
  enthusiasm 
  in 
  the 
  

   interests 
  of 
  science 
  is 
  well 
  known 
  to 
  all 
  members 
  of 
  this 
  Society. 
  

  

  