148 The Ohio Naturalist. [Vol. XllI, No. 7, 



are on the edges of their ranges. On the economic side the region 

 is spoiled by deforestation, which is causing the countr}' 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 ^^dde, while the new valleys are deep. 



Marie F. McLellan, Secretary. 



Date of Publication, May 20, 1913. 



