Report of the President. 33 



November 6. — The Mediterranean Edwin A. Havers 



" 13. — Naples — Its Environs and Vesuvius Arthur Stanley Riggs 



'* 20. — Vistas in Sicily Arthur Stanley Riggs 



" 27. — Greece Frederick E. Partington 



December 4. — Constantinople and the Bosphorus. . . .Frederick E. Partington 

 " 11. — Egypt and the Nile Arthur Stanley Riggs 



Saturday Evenings. 



A course of three lectures on " Natural Science," by Pro- 

 fessor John B. Smith. 



January 6. — Insects and Their Transformations. 



13. — Insects in Their Relations to Plant Life. 



20. — Insects in Their Relations to Man and to Other Animals. 



A course of five lectures on " Astronomy," by Professor 

 Robert W. Prentiss. 



January 27. — The Sun : Its Phenomena. 



February 3. — The Sun : Spectrum Analysis, Light and Heat. 



10. — The Moon : Its Appearance, Motions, Scenery and Physical 



Condition. 

 17. — The Planets : Their Telescopic Appearance and Physical Con- 

 dition. 

 " 24. — Comets and Meteors : Their Mutual Relations. 



A course of nine lectures on "Physics," by Professor 

 Ernest R. von Nardroff and Dr. Charles H. Tyndall. 



March 3. — The Nature of Light and Color. 



10. — Spectrum Analysis and the Stars. 



17. — Color Photography. 



24. — The Optics of Painting. 

 " 31. — The Colors of Polarized Light. 



April 7. — Colors from the Interference of Light. 



14. — The Relation of Light to Electricity. 



21. — Optical Illusions. 



2S. — Wireless Telegraphy. 



A course of five lectures on " Chemistry," by Professor 

 Morris Loeb. 



October 6. — Introduction to the Study of the Carbohydrates. 



13. — Classification of Carbohydrates. Their Occurrence in Nature, 

 (a) Single Sugars. 

 " 20. — (b) Double Sugars. 



27. — Complex Carbohydrates. — I. 

 November 3. — Complex Carbohydrates. — II. 



