Report of the President. 41 



Saturday Evening Lectures. 



Heat as a Mode of Motion. 

 A Course of Eight Lectures, by Prof. E. R. von Nardroff. 

 Jan. 9. — Energy as a Source of Heat. 



" 16. — The Expansive Force of Heat. 



" 23. — The Conduction and Convection of Heat. 



" 30. — The Three Forms of Matter in Relation to Heat. 

 Feb. 6. — The Spheroidal State. 



" 13. — Heat in the Form of Waves. 



" 20. — Liquid Air, or the Phenomena of Extreme Cold. 



" 27. — Heat as a Source of Energy. 



The Principles of Biology and Zoology. 

 A Course of Eight Lectures, by Prof. Henry E. Crampton. 

 Mar. 5. — Life and Living Matter. 



" 12. — The Living Organism. 



" 19. — The Simplest Animals. 



" 26. — The Jointed Animals (Worms and their Relatives). 

 April 2. — The Jointed Animals (Insects, etc.). 



" 9. — Star-Fishes and Their Relatives, Mollusks. 



" 16. — The Lower Back-boned Animals. 



" 23. — The Higher Back-boned Animals. 



Zoology. 

 A Course of Four Lectures, by Ernest Ingersoll. 

 Oct. 8. — Animal Faculties and Achievements. 

 " 15. — Making a Living in the Animal World. 

 " 22. — Love and War Among the Animals. 

 " 29. — Home and Society in Animal Life. 



The Life of Primitive Peoples. 

 A Course of Six Lectures, by Prof. Livingston Farrand. 

 Nov. 5. — Primitive Culture and Types of Primitive Man. 

 — Primitive Family Life and Organization. 

 — Industrial Life: Hunting and Fishing. 

 — Industrial Life: Fire-making, Pottery, Weaving. 

 — Primitive Art. 

 — Primitive Religions and Ceremonials. 



" 12 



" IQ 



" 26 



Dec. 3 



" 10 



It gives me pleasure to call attention to the satisfactory 

 progress of the work of the Museum during the year 1904. 

 Important additions have been made to the collections in 

 nearly all departments, and several notable exhibits have for 



