Transcriber’s Notes: Underscores “_” before and after a word or phrase indicate _italics_ in the original text. Equal signs “=” before and after a word or phrase indicate =bold= in the original text. Small capitals have been converted to SOLID capitals. Illustrations have been moved so they do not break up paragraphs. Typographical and punctuation errors have been silently corrected. THE OHIO 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: _Zoology_—F. L. LANDACRE, B. Sc. _Botany_—F. J. TYLER, B. Sc. _Geology_—J. A. BOWNOCKER, D. Sc. _Archaeology_—W. C. MILLS, B. Sc. _Ornithology_—R. F. GRIGGS ADVISORY BOARD: PROFESSOR W. A. KELLERMAN, Ph. D. Department of Botany. PROFESSOR HERBERT OSBORN, M. Sc. Department of Zoology. PROFESSOR J. A. BOWNOCKER, D. Sc. Department of Geology. Volume 1. February, 1901 Number 4 COLUMBUS, OHIO _PRESS OF HANN & ADAIR_ _THE OHIO 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 OHIO NATURALIST, Ohio State University, COLUMBUS, OHIO. CONTENTS The Corning Oil and Gas Field 49 _J. A. Bownocker_ Twelve Additions to the Ohio Plant List 59 _W. A. Kellerman_ A new species of Gomphus and its near Relatives 60 _James S. Hine_ A Comparative Study of Gomphus furcifer and villosipes 61 _James S. Hine_ Notes from Botanical Literature 63 _W. A. Kellerman_ Meeting of the Biological Club 66 _James S. Hine, Sec._ The Ohio Naturalist PUBLISHED BY THE BIOLOGICAL CLUB OF THE OHIO STATE UNIVERSITY Vol. 1. FEBRUARY, 1901 No. 4 THE CORNING OIL AND GAS FIELD.[A] J. A. BOWNOCKER