OHIO BIOLOGICAL SURVEY 



Herbert Osborn, Director 



OHIO STATE UNIVERSITY IN CO-OPERATION WITH 

 OTHER OHIO COLLEGES AND UNIVERSITIES 



Administrative Board consisting of Representatives from co- 

 operating institutions. 



E. L. Fullmer, 

 A. B. Plowman, 

 L. B. Walton, 

 Bruce Fink, 



F. O. Grover, 



E. L. Rice, 



F. H. Herrick, 

 C. G. Shatzer, 



Bald win- Wallace University, 

 University of Akron, 

 Kenyon College, 

 Miami University, 

 Oberlin College, 

 Ohio Wesleyan University, 

 Western Reserve University, 

 Wittenberg College, 



Berea, O. 



Akron, O. 



Gambier, O. 



- Oxford, O. 



Oberlin, O. 



Delaware, O. 



Cleveland, O. 



Springfield, O. 



ANNOUNCEMENT 



The Bulletins of the Ohio Biological Survey will be issued as 

 work on any special subject is completed, and will form volumes of 

 about 500 pages each. 



They will be sent to co-operating institutions and individuals, 

 libraries and colleges in Ohio and to such surveys, societies and other 

 organizations as may offer suitable exchange material. 



Additional copies of each Bulletin and of completed volumes 

 will be sold at such price as may cover the cost of publication. 



Special rates on quantities to schools for classes. 



Subscription for entire volumes $2.00 



Price of this number .50 



All orders should be accompanied by remittance made payable 

 to Ohio Biological Survey and sent to the Director. 



Correspondence concerning the Survey, applications for ex- 

 changes and purchase of copies of Bulletins should be addressed to 

 the Director — Professor Herbert Osborn, Columbus, Ohio. 



