148 
The Ohio Naturalist. 
[Vol. XIII, No. 7, 
are on the edges of their ranges. On the economic side the region 
is spoiled by deforestation, which is causing the country to grow 
rapidly poorer and poorer. 
The second paper was by Mr. C. R. Schroyer on “Pre-Glacial 
Drainage in Ohio. ” At the present day there are two great 
axes of drainage in Ohio, the Great Lakes and the Ohio River. 
The lines of pre-glacial drainage in at least one-half of Southern 
Ohio were opposite to what they are now, and in Northern Ohio 
the drainage was exactly reversed, the water passing out by the 
Maumee into northern Indiana. The old, unoccupied valleys 
of the Scioto basin are wide, while the new valleys are deep. 
Marie F. McLellan, Secretary. 
Date of Publication, May 20, 1913. 
