NINTH ANNUAL REPORT 
OF THE 
OHIO STATE ACADEMY OF SCIENCE. 
WINTER MEETING. 
The tenth annual meeting was held at the Ohio State 
University, Columbus, December 26th and 27th. Only 
thirty-one papers were read—the smallest number since 
1893—so that the Academy adjourned at noon of the second 
day. The attendance, however, was as good as usual. The 
Academy has been steadily growing in membership and in 
the quantity and quality of work accomplished. It has now 
the satisfaction of contemplating the beginning of a survey 
that will result in good topographic maps of Ohio, which 
will be of great service not merely in facilitating the pro- 
gress of geological and biological investigations within its 
borders, but also in primary education and in the solution 
of problems constantly arising in sanitary and commercial 
engineering. Without the efforts of the Academy or some 
similar organization it is not probable that any legislature 
for many years to come would have made an appropriation 
for such a survey. Mr. McMillin again put $250 at the 
disposal of the Academy for the promotion of original 
research. 
REPORT OF BOARD OF TRUSTEES. 
Your trustees beg leave to submit the following report: 
As the Academy is coming into possession, by exchange, 
of many valuable reports, monographs and other papers 
