﻿24O 
  PKOCEEDINGS 
  OF 
  THE 
  GEOLOGICAL 
  SOCIETY. 
  

  

  The 
  List 
  of 
  Donations 
  to 
  the 
  Library 
  was 
  read. 
  

  

  The 
  following 
  communications 
  were 
  read 
  : 
  — 
  

  

  1. 
  "On 
  Fossil 
  Chilostomatous 
  Bryozoa 
  from 
  Mount 
  Gambier, 
  

   South 
  Australia." 
  By 
  Arthur 
  W. 
  Waters, 
  Esq., 
  F.L.S., 
  F.G.S. 
  

  

  2. 
  " 
  Thamniscus 
  : 
  Permian, 
  Carboniferous, 
  and 
  Silurian." 
  By 
  

   George 
  W. 
  Shrubsole, 
  Esq., 
  P.G.S. 
  

  

  3. 
  " 
  On 
  the 
  Occurrence 
  of 
  a 
  new 
  Species 
  of 
  Phyllqpora 
  in 
  the 
  

   Permian 
  Limestones." 
  By 
  George 
  W. 
  Shrubsole, 
  Esq., 
  P.G.S. 
  

  

  4. 
  " 
  On 
  the 
  Eelations 
  of 
  the 
  Eocene 
  and 
  Oligocene 
  Strata 
  in 
  the 
  

   Hampshire 
  Basin." 
  By 
  Prof. 
  John 
  W. 
  Judd, 
  F.R.S., 
  Sec.G.S. 
  

  

  May 
  10, 
  1882. 
  

  

  J. 
  W. 
  Htjlke, 
  Esq., 
  F.R.S., 
  President, 
  in 
  the 
  Chair. 
  

  

  Arthur 
  Leech, 
  Esq., 
  Arlington 
  House, 
  Newcastle, 
  Staffordshire, 
  

   was 
  elected 
  a 
  Fellow, 
  and 
  Professor 
  L. 
  Riitimeyer 
  a 
  • 
  Foreign 
  

   Member 
  of 
  the 
  Society. 
  

  

  The 
  List 
  of 
  Donations 
  to 
  the 
  Library 
  was 
  read. 
  

  

  The 
  following 
  communications 
  were 
  read 
  : 
  — 
  

  

  1. 
  "On 
  the 
  Relations 
  of 
  Hybocrinus, 
  Baerocrinus) 
  and 
  Hybo- 
  

   cystites." 
  By 
  P. 
  Herbert 
  Carpenter, 
  Esq., 
  M.A. 
  Communicated 
  by 
  

   Prof. 
  P. 
  Martin 
  Duncan, 
  M.B., 
  F.R.S., 
  V.P.G.S. 
  

  

  2. 
  "On 
  the 
  Madreporaria 
  of 
  the 
  Inferior 
  Oolite 
  of 
  the 
  Neigh- 
  

   bourhood 
  of 
  Cheltenham 
  and 
  Gloucester." 
  By 
  R. 
  F. 
  Tomes, 
  Esq., 
  

   F.G.S. 
  

  

  3. 
  " 
  On 
  the 
  Exploration 
  of 
  two 
  Caves 
  in 
  the 
  Neighbourhood 
  of 
  

   Tenby." 
  By 
  Ernest 
  L. 
  Jones. 
  Esq. 
  Communicated 
  by 
  Prof. 
  W. 
  

   Boyd 
  Dawkins, 
  F.R.S., 
  F.G.S. 
  

  

  4. 
  " 
  Note 
  on 
  the 
  Comparative 
  Specific 
  Gravities 
  of 
  Molten 
  and 
  

   Solidified 
  Vesuvian 
  Lavas." 
  By 
  H. 
  J. 
  Johnston-Lavis, 
  Esq., 
  F.G.S. 
  

  

  [Abstract.] 
  

  

  From 
  some 
  experiments 
  made 
  on 
  Vesuvian 
  lava, 
  Prof. 
  Palmieri 
  

   in 
  1875 
  expressed 
  the 
  opinion 
  that 
  its 
  specific 
  gravity, 
  when 
  molten, 
  

   might 
  be 
  as 
  high 
  as 
  5-0, 
  though 
  when 
  cooled 
  it 
  is 
  only 
  2*7. 
  The 
  

  

  