Ibe 



Ohio Naturalist 



Official Organ of The Biological Club of the Ohio State University, 

 and of The Ohio Academy of vScience. 



Volumes X, XI, and XII, 1909-1912. 



EDITORIAL STAFF. 



Editor-in-Chief John H. Schaffner 



Business Manager James S. Hine 



Assistant Business Manager Geo. D. Hubbard 



associate editors: 



Zoology — A rcheology — 



Emily Hollister, Vol. X. W. C. Mills. 



F. L. Landacre, Vol. XL 

 Wm. M. Barrows, Vol. XII. 



Botany — Ornilhology — 



R. F. Griggs, Vol. X, XII. J. C. Hambleton. 



Freda Detmers, Vol. XL 



Geology — ■ Geography — 



W. C. Morse. Geo. D. Hubbard, Vol. X, XL 



Physiography — 

 T. M. Hills. 



advisory board: 



Herbert Osborn Department of Zoology 



John H. Schaffner Department of Botany 



Charles S. Prosser Department of Geology 



Ohio vState University, 

 Columbus, Ohio. 



