﻿Report 
  of 
  the 
  President. 
  2 
  7 
  

  

  Saturday 
  Evenings. 
  

  

  A 
  Course 
  of 
  Eight 
  Lectures 
  on 
  " 
  The 
  Principles 
  of 
  General 
  and 
  Human 
  

   Evolution," 
  by 
  Professor 
  Henry 
  E. 
  Crampton. 
  

   January 
  5. 
  — 
  Principles 
  of 
  Organic 
  Evolution. 
  

  

  " 
  12. 
  — 
  The 
  Anatomical 
  Evidence 
  of 
  Evolution. 
  

  

  19. 
  — 
  Development 
  as 
  Evidence 
  of 
  Evolution. 
  

   " 
  26. 
  — 
  The 
  Evidence 
  of 
  Fossils. 
  

  

  February 
  2. 
  — 
  The 
  Method 
  of 
  Evolution. 
  

  

  " 
  9. 
  — 
  The 
  Evolution 
  of 
  the 
  Human 
  Species. 
  

  

  " 
  16. 
  — 
  The 
  Evolution 
  of 
  Human 
  Races. 
  

  

  " 
  23. 
  — 
  Evolution 
  of 
  Mind, 
  of 
  Society 
  and 
  of 
  Ethics. 
  

  

  A 
  Course 
  of 
  Nine 
  Lectures 
  on 
  "Electricity 
  and 
  Electrical 
  Energy," 
  

   by 
  Professor 
  John 
  S. 
  McKay. 
  

   March 
  2. 
  — 
  Relation 
  of 
  Electricity 
  to 
  Matter 
  — 
  The 
  Electron 
  Theory. 
  

  

  " 
  9. 
  — 
  Relation 
  of 
  Electricity 
  to 
  Energy 
  — 
  An 
  Electric 
  Charge 
  and 
  an 
  

  

  Electric 
  Current. 
  

   " 
  16. 
  — 
  Electric 
  Currents, 
  or 
  Electricity 
  in 
  Motion. 
  

   11 
  23. 
  — 
  Thermal 
  Relations 
  of 
  Electric 
  Currents. 
  

   " 
  30. 
  — 
  Chemical 
  Relations 
  of 
  Electric 
  Currents. 
  

   April 
  6. 
  — 
  Relation 
  of 
  Electric 
  Currents 
  to 
  Magnetism. 
  

   " 
  13. 
  — 
  Relation 
  of 
  Magnetism 
  to 
  Electric 
  Currents. 
  

   " 
  20. 
  — 
  Direct 
  Current, 
  Generators 
  and 
  Motors. 
  

   " 
  27. 
  — 
  Alternating 
  Currents 
  and 
  Alternating 
  Current 
  Machines. 
  

  

  A 
  Course 
  of 
  Seven 
  Lectures 
  on 
  " 
  The 
  Life 
  of 
  Animals," 
  

   by 
  Professor 
  Samuel 
  C. 
  Schmucker 
  (except 
  as 
  noted). 
  

   October 
  5. 
  — 
  Crabs 
  and 
  Their 
  Cousins. 
  

   11 
  12. 
  — 
  Insect 
  Changes. 
  

  

  " 
  19. 
  — 
  A 
  Family 
  of 
  Spinners 
  (Spiders). 
  

  

  26.— 
  The 
  Life 
  Story 
  of 
  the 
  Honey 
  Bee. 
  ( 
  Everett 
  Lyon, 
  Ph.D.) 
  

   November 
  2. 
  — 
  Little 
  Brothers 
  of 
  the 
  Air 
  ( 
  Birds 
  ). 
  

   " 
  9. 
  — 
  Modern 
  Mound 
  Builders 
  (Ants). 
  

  

  16. 
  — 
  My 
  Foster 
  Children 
  (Animals 
  as 
  Pets). 
  

  

  A 
  Course 
  of 
  Four 
  Lectures 
  on 
  "Commercial 
  Geography," 
  

   by 
  Dr. 
  J. 
  Russell 
  Smith. 
  

   November 
  23. 
  — 
  The 
  Story 
  of 
  a 
  Steel 
  Rail. 
  

  

  " 
  30. 
  — 
  The 
  Story 
  of 
  a 
  Ton 
  of 
  Coal. 
  

  

  December 
  7. 
  — 
  The 
  Story 
  of 
  a 
  Basket 
  of 
  Fruit. 
  

   " 
  14. 
  — 
  The 
  Story 
  of 
  a 
  Piece 
  of 
  Board. 
  

  

  HOSPITALITY 
  TO 
  SCIENTIFIC 
  SOCIETIES. 
  

  

  The 
  lecture 
  halls 
  and 
  conference 
  rooms 
  have 
  been 
  in 
  

   constant 
  demand 
  by 
  scientific 
  societies 
  and 
  other 
  organiza- 
  

   tions 
  for 
  various 
  meetings. 
  Whenever 
  possible, 
  and 
  when 
  

   consistent 
  with 
  the 
  purposes 
  of 
  the 
  Museum, 
  these 
  requests 
  

  

  