Mineralogy and Lithology.

These subjects extend through the first semester of the Senior year. For [unclear: ablesion] to this class, students are required to have taken the course in Chemistry. I lectures are illustrated by specimens of minerals and rocks, and by [unclear: microscopictions] showing their structure. The students are required to provide themselves small elementary collections of minerals (at a cost of two or three dollars), book, "Dana's Manual of Mineralogy."

There is also a special course in these subjects, covering half a semester, [unclear: ga] to the students of Agriculture and Engineering.