﻿1874.] 
  

  

  Anniversary 
  Meeting. 
  

  

  49 
  

  

  sea 
  is 
  readily 
  understood. 
  If 
  any 
  such 
  exist 
  it 
  must 
  be 
  confined 
  to 
  the 
  

   lower 
  part 
  of 
  the 
  berg, 
  to 
  that 
  part 
  which 
  has, 
  at 
  one 
  time 
  or 
  other, 
  

   moved 
  on 
  the 
  floor 
  of 
  the 
  ice-cap. 
  

  

  The 
  icebergs, 
  when 
  they 
  are 
  first 
  dispersed, 
  float 
  in 
  from 
  200 
  to 
  250 
  

   fathoms. 
  When, 
  therefore, 
  they 
  have 
  been 
  drifted 
  to 
  latitudes 
  of 
  65° 
  

   or 
  64° 
  S., 
  the 
  bottom 
  of 
  the 
  berg 
  just 
  reaches 
  the 
  layer 
  at 
  which 
  the 
  tempe- 
  

   rature 
  of 
  the 
  water 
  is 
  distinctly 
  rising 
  ; 
  and 
  it 
  is 
  rapidly 
  melted, 
  the 
  mud 
  

   and 
  pebbles 
  with 
  which 
  it 
  is 
  more 
  or 
  less 
  charged 
  being 
  precipitated 
  to 
  

   the 
  bottom. 
  That 
  this 
  precipitation 
  takes 
  place 
  all 
  over 
  the 
  area 
  where 
  

   the 
  icebergs 
  are 
  breaking 
  up 
  constantly, 
  and 
  to 
  a 
  considerable 
  extent, 
  is 
  

   evident 
  from 
  the 
  fact 
  of 
  the 
  soundings 
  being 
  entirely 
  composed 
  of 
  such 
  

   deposits 
  ; 
  for 
  the 
  Diatoms, 
  Globigerince, 
  and 
  Radiolarians 
  are 
  present 
  on 
  

   the 
  surface 
  in 
  large 
  numbers 
  ; 
  and 
  unless 
  the 
  deposit 
  from 
  the 
  ice 
  were 
  

   abundant 
  it 
  would 
  soon 
  be 
  covered 
  and 
  masked 
  by 
  a 
  layer 
  of 
  the 
  exuvia 
  

   of 
  surface-organisms. 
  

  

  EXPLANATION 
  OF 
  THE 
  PLATES. 
  

   Plates 
  I. 
  & 
  II. 
  

  

  A 
  Globigerina 
  and 
  an 
  Orbulma, 
  with 
  the 
  radiating 
  processes 
  entire. 
  

  

  Plate 
  III. 
  

  

  Figs. 
  1 
  & 
  2. 
  Pulvinulina. 
  Figs. 
  3 
  & 
  4. 
  Khabdoliths. 
  Fig. 
  5. 
  The 
  new 
  Diatom. 
  

  

  November 
  30, 
  1874. 
  

   ANNIVERSARY 
  MEETING-. 
  

  

  WILLIAM 
  SPOTTISWOODE, 
  M.A., 
  Treasurer 
  and 
  Vice-Pre- 
  

   sident, 
  in 
  the 
  Chair. 
  

  

  G-eneral 
  Boileau, 
  for 
  the 
  Auditors 
  of 
  the 
  Treasurer's 
  Accounts 
  

   on 
  the 
  part 
  of 
  the 
  Society, 
  reported 
  that 
  the 
  total 
  receipts 
  during 
  

   the 
  past 
  year, 
  including 
  a 
  balance 
  of 
  =£693 
  13s. 
  5d. 
  carried 
  from 
  the 
  

   preceding 
  year, 
  amount 
  to 
  £5726 
  3s. 
  3d. 
  ; 
  and 
  that 
  the 
  total 
  expen- 
  

   diture 
  in 
  the 
  same 
  period 
  amounts 
  to 
  .£5451 
  lis. 
  5d., 
  leaving 
  a 
  balance 
  

   at 
  the 
  Bankers 
  of 
  £236 
  18s. 
  Sd,, 
  and 
  £37 
  13s. 
  2d. 
  in 
  the 
  hands 
  of 
  the 
  

   Treasurer. 
  

  

  The 
  thanks 
  of 
  the 
  Society 
  were 
  voted 
  to 
  the 
  Treasurer 
  and 
  Au- 
  

   ditors. 
  

  

  TOL. 
  XXIII. 
  

  

  