﻿V°l* 
  53-] 
  PROCEEDINGS 
  OF 
  THE 
  GEOLOGICAL 
  SOCIETY. 
  XCiil 
  

  

  February 
  24th, 
  1897. 
  

  

  Dr. 
  Henry 
  Hicks, 
  F.R.S., 
  President, 
  in 
  the 
  Chair. 
  

  

  Capt. 
  Arthur 
  Richard 
  Dwerryhouse, 
  65 
  Louis 
  Street, 
  Leeds; 
  

   Percy 
  Emary, 
  Esq., 
  12 
  Alwyne 
  Square, 
  Canonbury, 
  N. 
  ; 
  William 
  

   Douglas 
  Ferguson, 
  Esq., 
  7 
  Great 
  Winchester 
  Street, 
  E.C. 
  ; 
  

   Charles 
  Olden, 
  Esq., 
  Whitby 
  Lodge, 
  St. 
  George's 
  Terrace, 
  Perth, 
  

   Western 
  Australia 
  ; 
  and 
  George 
  de 
  Wolf, 
  Esq., 
  Vancouver, 
  British 
  

   Columbia, 
  were 
  elected 
  Fellows 
  of 
  the 
  Society. 
  

  

  The 
  List 
  of 
  Donations 
  to 
  the 
  Library 
  was 
  read. 
  

  

  The 
  following 
  communications 
  were 
  read 
  : 
  — 
  

  

  1. 
  ' 
  On 
  the 
  Nature 
  and 
  Origin 
  of 
  the 
  Rauenthal 
  Serpentine.' 
  

   Bv 
  Miss 
  Catherine 
  A. 
  Raisin, 
  B.Sc. 
  (Communicated 
  by 
  Prof. 
  T. 
  G. 
  

   Bonney, 
  D.Sc, 
  LL.D., 
  F.R.S., 
  V.P.G.S.) 
  

  

  2. 
  'On 
  Two 
  Boulders 
  of 
  Granite 
  from 
  the 
  Middle 
  Chalk 
  of 
  

   Betchworth 
  (Surrey).' 
  By 
  W. 
  P. 
  D. 
  Stebbing, 
  Esq., 
  F.G.S. 
  

  

  3. 
  ' 
  Coal 
  : 
  a 
  new 
  Explanation 
  of 
  its 
  Formation 
  ; 
  or 
  the 
  Phe- 
  

   nomena 
  of 
  a 
  New 
  Fossil 
  Plant 
  considered 
  with 
  reference 
  to 
  the 
  

   Origin, 
  Composition, 
  and 
  Formation 
  of 
  Coal-beds.' 
  By 
  W. 
  S. 
  

   Gresley, 
  Esq., 
  F.G.S. 
  

  

  The 
  following 
  specimens 
  and 
  maps 
  were 
  exhibited: 
  — 
  

  

  Hand-specimens 
  and 
  microscope-sections 
  of 
  Rauenthal 
  rocks, 
  

   exhibited 
  by 
  Prof. 
  T. 
  G. 
  Bonney, 
  D.Sc, 
  F.R.S., 
  Y.P.G.S., 
  in 
  illus- 
  

   tration 
  of 
  Miss 
  Raisin's 
  paper. 
  

  

  Specimens, 
  photographs, 
  and 
  microscope-sections 
  of 
  Granite 
  

   Boulders 
  from 
  the 
  Chalk 
  of 
  Betchworth, 
  exhibited 
  by 
  W. 
  P. 
  D. 
  

   Stebbing, 
  Esq., 
  F.G.S., 
  in 
  illustration 
  of 
  his 
  paper. 
  

  

  Specimens 
  of 
  Boulders 
  from 
  the 
  Chalk 
  of 
  Norfolk, 
  exhibited 
  by 
  

   the 
  Director-General 
  of 
  H.M. 
  Geological 
  Survey. 
  

  

  Specimen 
  of 
  the 
  Granite 
  Boulder 
  from 
  Purley, 
  near 
  Croydon, 
  

   from 
  the 
  Society's 
  collection 
  ; 
  and 
  a 
  smaller 
  portion 
  of 
  the 
  same, 
  

   exhibited 
  by 
  Prof. 
  J. 
  W. 
  Judd, 
  C.B., 
  LL.D., 
  F.R.S. 
  Also 
  a 
  micro- 
  

   scope-section 
  of 
  the 
  same, 
  exhibited 
  by 
  Prof. 
  T. 
  G. 
  Bonney, 
  D.Sc 
  

   F.R.S., 
  V.P.G.S. 
  

  

  Sheets 
  3, 
  6, 
  9, 
  and 
  15 
  of 
  the 
  new 
  Index 
  Map 
  of 
  H.M. 
  Geological 
  

   Survey 
  (Scale 
  : 
  4 
  miles 
  to 
  1 
  inch) 
  ; 
  Sheet 
  299 
  — 
  Winchester 
  of 
  the 
  

   1-inch 
  Map, 
  Now 
  Series, 
  and 
  Sheet 
  81, 
  Monmouthshire 
  and 
  Glamor- 
  

   ganshire, 
  of 
  Vertical 
  Sections, 
  presented 
  by 
  the 
  Director-General 
  of 
  

   that 
  Survey. 
  

  

  