﻿ANNOUNCEMENTS 
  OF 
  MEETINGS 
  OF 
  THE 
  ACADEMY 
  AND 
  

  

  AFFILIATED 
  SOCIETIES 
  

  

  Tuesday, 
  December 
  19. 
  The 
  Anthropological 
  Society. 
  

   Wednesday, 
  December 
  20. 
  The 
  Society 
  of 
  Engineers. 
  

   Thursday, 
  December 
  21. 
  The 
  Academy. 
  

   Saturday, 
  December 
  23. 
  The 
  Biological 
  Society. 
  

   Tuesday, 
  January 
  2. 
  The 
  Botanical 
  Society. 
  

   Wednesday, 
  January 
  3. 
  Society 
  of 
  Engineers. 
  

   Thursday, 
  January 
  4. 
  The 
  Entomological 
  Society. 
  

  

  PROGRAMS 
  ANNOUNCED 
  SINCE 
  THE 
  PRECEDING 
  ISSUE 
  OF 
  THE 
  JOURNAL^ 
  

  

  Saturday, 
  December 
  2. 
  The 
  Philosophical 
  Society, 
  at 
  the 
  Cosmos 
  Club, 
  at 
  8.15 
  p.m. 
  

   Program: 
  Paul 
  R. 
  Heyl: 
  A 
  remarkable 
  formula 
  for 
  prime 
  numbers 
  and 
  a 
  method 
  of 
  

   determining 
  the 
  prime 
  or 
  composite 
  nature 
  of 
  large 
  numbers. 
  Reports 
  of 
  officers 
  and 
  

   committees. 
  

  

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

  

  