﻿ANNOUNCEMENTS 
  OF 
  MEETINGS 
  OF 
  THE 
  ACADEMY 
  AND 
  

  

  AFFILIATED 
  SOCIETIES 
  . 
  

  

  Saturday, 
  October 
  21. 
  The 
  Philosophical 
  Society. 
  

   Wednesday, 
  October 
  25. 
  The 
  Geological 
  Society. 
  

   Saturday, 
  October 
  28. 
  The 
  Biological 
  Society. 
  

   Thursday, 
  November 
  2. 
  The 
  Entomological 
  Society. 
  

  

  PROGRAMS 
  ANNOUNCED 
  SINCE 
  THE 
  PRECEDING 
  ISSUE 
  OF 
  THE 
  JOITRNAL' 
  

  

  Saturday, 
  October 
  7. 
  The 
  Philosophical 
  Society 
  at 
  the 
  Cosmos 
  Club 
  at 
  8.15 
  p.m. 
  Pro- 
  

   gram: 
  Raymond 
  Davis: 
  Deciphering 
  of 
  cJiarred 
  paper 
  records. 
  R. 
  W. 
  G. 
  Wyckofp: 
  

   Crystal 
  structure 
  of 
  ammonium 
  chloride 
  and 
  hydrazine 
  hydrochloride. 
  W. 
  W. 
  Cob- 
  

   LENz 
  : 
  Measurements 
  of 
  planetary 
  radiation. 
  

  

  Thursday, 
  October 
  12. 
  The 
  Chemical 
  Society 
  at 
  the 
  Cosmos 
  Club 
  at 
  8.00 
  p.m. 
  Program 
  : 
  

   P. 
  E. 
  Palmbr: 
  Autamatic 
  control 
  of 
  industrial 
  processes 
  by 
  gas 
  analysis 
  methods. 
  

  

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

  

  