LECTURES 17 



COLUMBIA UNIVERSITY COURSE. 



Jesup Lectures. 



Given in cooperation with Columbia University. 

 Wednesday evenings at 8:15 o'clock. 



Continuation of a course of lectures on light by Professor Richard C. 

 Maclaurin of Columbia University. 



January 5. — "The exact laws of reflection and refraction and their 

 bearing on the construction of optical instruments." 



January 13. — "Optical properties of crystals." 



January 20. — "The principle of interference and its explanation of vari- 

 ous color ])henomena." 



January 27. — "The measurement of light waves and the theory of dif- 

 fraction." 



Februarv 3. — "Some relations between light and electricity." 



PEOPLE'S COURSE. 



Given in cooperation with the City Department of Education. 



Tuesday evenings at 8 o'clock. Doors open at 7:30. 



Ian C. Hannah, — a course of six lectures on European relations with the 

 Far East. 



January 5. — "The East and the West and Their Dif!"erent Ideals." 

 January 12. — "China's Everlasting Empire." 

 January 19. — "England's Eastern Empire." 

 January 20. — "The Russian ^March Across Asia." 

 February 2. — "Japan's "^Pransfonnation." 

 Februarv 9. — "America as an Asiatic Power." 



Saturday evenings at 8 o'clock. Doors open at 7:30. 

 January 9. — Professor IvAFAyette B. Mendel of Yale University, 



"Development of the Milk Industry." 

 January 16. — Hon. J. S. Whipple, "The Adirondack Forest." 

 January 23. — Professor Lafayette B. Mendel, "Growth and Beauty 



of Children." 

 Januarv 30. — Wilijam L. Hall, "Forests and Waters." 



