Daring
the year 1893 several interesting discoveries of diamonds were made in
the United States, although this is not a regular diamond-producing
country. In December my attention was called by Prof. William H. Hobbs,
professor of mineralogy and metallurgy in the University of Wisconsin,
at Madison, to a diamond that had been found in Oregon township, 2£
miles southwest of Oregon Village, in Dane county, Wisconsin. Through
his courtesy the stone was sent to the writer by the finder, Mr.
Charles Devine, of the place just named. The diamond was found by him
while husking corn, in October, 1893, in a rough, stony field which nad
been under the plow for forty years. The bank of clayey earth in which
it was found contained a