Outlines of Lecture Courses. 



Ten lectures on "Local Geology" by Dr. Mignon Talbot: — 



November 11 and 18: Original rock structure of this region; 

 formation of the "Connecticut Valley Trough"; deposition of the 

 Triassic sandstones and lava sheets. 



December 2 and 9: Carving out of the present rock floor of the 

 valley by streams. 



December 16 and January 6: Work of the glacier in deepening 

 the valley, lowering the ridges, and depositing loose material. 



January 13 and 20: Retreat of the ice sheet, and formation of 

 the stratified sands and clays with overwash of sands and pebbles. 



January 27 and February 3: Subsequent stream work; develop- 

 ment of terraces; work of the wind. 



There was an interposed lecture on "Hypotheses of the Earth's 

 Origin." 



Six lectures on "Pure Food" by Lewis B. Allyn: — 

 December 7, 1910: Social value of food. 



December 21, 1910: What may a man drink? (Upper Hall, 

 Central High School.) 



January 4, 1911: Kitchen tests for the purity of food products. 

 January 18, 1911: Use and abuse of food preservatives. 

 Februaiy 1, 1911: Social aspects of the Food and Drug act. 

 February 15, 1911: Lest anything too much be done. 



