﻿ANNOUNCEMENTS 
  OF 
  MEETINGS 
  OF 
  THE 
  ACADEMY 
  AND 
  

  

  AFFILIATED 
  SOCIETIES 
  

  

  Tuesday, 
  December 
  5. 
  The 
  Botanical 
  Society. 
  

   Wednesday, 
  December 
  6. 
  The 
  Society 
  of 
  Engineers. 
  

   Saturday, 
  December 
  9. 
  The 
  Biological 
  Society. 
  

   Wednesday, 
  December 
  13. 
  The 
  Geological 
  vSociety. 
  

  

  Thursday, 
  December 
  14. 
  The 
  Chemical 
  Society, 
  at 
  the 
  Cosmos 
  Club 
  at 
  

  

  8 
  p. 
  m. 
  Program: 
  W. 
  M. 
  CIvARk: 
  Oxidation-reduction 
  reactions. 
  

   Saturday, 
  December 
  16. 
  The 
  Philosophical 
  Society. 
  

  

  PROGRAMS 
  ANNOUNCED 
  SINCE 
  THE 
  PRECEDING 
  ISSUE 
  OF 
  THE 
  JOURNAL^ 
  

  

  Saturday, 
  November 
  1 
  1 
  . 
  The 
  Biological 
  Society, 
  at 
  the 
  Cosmos 
  Club 
  at 
  8 
  p. 
  m. 
  Program 
  : 
  

   E. 
  D. 
  Ball: 
  Importance 
  of 
  adequate 
  training 
  for 
  biological 
  work 
  in 
  the 
  Government 
  

   service. 
  G. 
  N. 
  Collins: 
  Maize 
  and 
  its 
  wild 
  relatives. 
  N. 
  A. 
  Cobb: 
  Nematodes 
  

   inhabiting 
  trees. 
  

  

  Saturday, 
  November 
  18. 
  The 
  Philosophical 
  .Society, 
  at 
  the 
  Cosmos 
  Club 
  at 
  8.15 
  p. 
  m^. 
  

   Program: 
  C. 
  E. 
  Van 
  Orstrand: 
  Deep-earth 
  temperatures 
  in 
  tlie 
  United 
  States. 
  K. 
  S. 
  

   Gibson 
  and 
  E. 
  P. 
  T. 
  Tvndall 
  : 
  The 
  visibility 
  of 
  radiant 
  energy. 
  

  

  Wednesday, 
  November 
  22. 
  The 
  Geological 
  Society, 
  at 
  the 
  Cosmos 
  Club 
  at 
  8 
  p. 
  m. 
  Pro- 
  

   gram: 
  G. 
  E. 
  P. 
  Smith: 
  The 
  effect 
  oj 
  transpiratipn 
  of 
  trees 
  on 
  the 
  ground-water 
  supply. 
  

   A. 
  Locke: 
  Outcrops 
  and 
  ore-deposits. 
  A. 
  J. 
  Collier: 
  Some 
  features 
  of 
  the 
  geology 
  

  

  of 
  the 
  Little 
  Rocky 
  Mountains, 
  Montana. 
  

  

  Friday, 
  November 
  24. 
  Joint 
  meeting 
  of 
  the 
  Chemical 
  Society 
  with 
  the 
  Maryland 
  Section 
  

   in 
  Baltimore. 
  Program: 
  A 
  visit 
  to 
  the 
  new 
  plant 
  of 
  the 
  American 
  Sugar 
  Refining 
  

   Company. 
  Short 
  addresses 
  by 
  C. 
  L. 
  Huettinger 
  and 
  M. 
  B. 
  ScoTT 
  of 
  that 
  plant. 
  

  

  ' 
  Notices 
  received 
  too 
  late 
  for 
  publication 
  before 
  the 
  date 
  of 
  the 
  meeting. 
  

  

  