TABLE OF CONTENTS. 



VOL, IX. 



Part I. 



IVHh 2 Maps. 



I. The Palaezoic Formation. W. F.Cooper 14 



II. Lichens of Licking County. J. Orrin R. Fisher 14 



III. Contributions to the Knowledge of the Pre-glacial Drainage of 

 Ohio. 

 Part IL Preglacial and Recent Drainage Channels in Ross 



County, Ohio. (Plate I.) Gerard Fowke 24 



Part III. A Preglacial Tributary to Paint Creek and its 



Relation to the Beech Flats of Pike County, Ohio. 

 (Plate TI.) W. C. Tight 30 



Part II. 



With II Plates and j Figure's. 



I. Wax Modeling from Microscopic Sections. W. E. Wells 3-7 



IL Electrical Waves in Long Parallel Wires. A. D. Cole 8-17 



III. Changes in Drainage in Southern Ohio. Frank Leverett tS-21 



I V. Some Pre-glacial Drainage Features of Southern Ohio. W. G. 



Tight 22-32 



V. A Pre-glacial Valley in Fairfield County. W. G. Tight . 13~37 



