THE O. S. U. NATURALIST PUBLISHED BY THE BIOLOGICAL CLUB OF THE OHIO STATE UNIVERSITY ------------------------------------ EDITORIAL STAFF EDITOR-IN-CHIEF—JOHN H. SCHAFFNER, A. M., M. S. ASSOCIATE EDITORS: ADVISORY BOARD: _Zoology_—F. L. LANDACRE, B. Sc. PROFESSOR W. A. KELLERMAN, Ph. D. _Botany_—F. J. TYLER, B. Sc. Department of Botany. _Geology_—J. A. BOWNOCKER, B. Sc. PROFESSOR HERBERT OSBORN, M. Sc. _Archaeology_—W. C. MILLS, B. Sc. Department of Zoology. _Ornithology_—R. F. GRIGGS. PROFESSOR J. A. BOWNOCKER, D. Sc. Department of Geology. ------------------------------------------------------------------------ Volume 1 November, 1900 Number 1 ------------------------------------------------------------------------ COLUMBUS, OHIO _PRESS OF HANN & ADAIR_ ------------------------------------------------------------------------ [Sidenote: _THE O. S. U. NATURALIST_] A journal devoted more especially to the natural history of Ohio. The official organ of THE BIOLOGICAL CLUB OF THE OHIO STATE UNIVERSITY. Published monthly during the academic year, from November to June (8 numbers). Price 50 cents per year, payable in advance. To foreign countries, 75 cents. Single copies 10 cents. JOHN H. SCHAFFNER, _Editor_. F. J. TYLER, _Subscriptions_. R. F. GRIGGS, _Advertising Agent_. _Address_ THE O. S. U. NATURALIST, Ohio State University, COLUMBUS, OHIO. ------------------------------------------------------------------------ CONTENTS Announcement An Ohio Station for Ampelopsis Cordata _W. A. Kellerman_ The Baum Prehistoric Village site _W. C. Mills_ A Foliicolous Form of Sorghum Smut and Notes on Infection Experiments _W. A. Kellerman_ A List of Hemiptera Collected in the Vicinity of Bellaire, O. _Herbert Osborn_ Additions and Corrections to the “Odonata of Ohio.” _James S. Hine_ Dragonflies Taken in a Week _R. C. Osburn and J. S. Hine_ Additions to the Ohio Flora Collecting and Preserving Microscopic Plants ------------------------------------------------------------------------ _The_ _O. S. U. Naturalist_ PUBLISHED BY THE BIOLOGICAL CLUB OF THE OHIO STATE UNIVERSITY ---------------------------------------------------------------- Vol. 1. NOVEMBER, 1900. No. 1. ---------------------------------------------------------------- ANNOUNCEMENT.