Dr. Hans Reusch, Director of the Geological Survey of Norway, who is to be Sturgis-Hooper Professor of Geology for '97-'98, will give the following courses in each of which the third hour will be given to seminary work, including reports and discussions upon geological literature.

Geol. 28 1hf. Vulcanism. Volcanoes and their relation to eruptive rocks in general. Earthquakes and their relation to the earth's crust. Three times a week, first half year.

Geol. 29 hf. The Geology of Modern Europe and its bearing on general geology.

Professor Reusch may be consulted daily in Whitney Library, 12 to 1 o'clock, from Thursday, Sept. 30, to Wednesday, Oct. 6.