_TAUGHT BY MAIL._—I give instructions in the Art of Taxidermy, personally, or BY MAIL. You can learn to collect and prepare your own birds, thus reducing the cost of a collection to a minimum. For prices and circulars, address NATURALIST—THOMAS M. EARL—TAXIDERMIST Cor. Naghten and Ninth Sts., COLUMBUS, OHIO. _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. _Editor-in-Chief_, JAMES S. HINE. _Associate Editors._ J. A. BOWNOCKER, Geology, J. H. SCHAFFNER, Botany, F. L. LANDACRE, Zoology, W. C. MILLS, Archaeology, MAX MORSE, Ornithology, F. J. TYLER, Ecology. _Advisory Board._ Prof. W. A. KELLERMAN. Prof. HERBERT OSBORN. Prof. CHARLES S. PROSSER. Address =THE OHIO NATURALIST=, Ohio State University, Columbus, Ohio. The Truth, The Whole Truth, and Nothing but the Truth. UNCONDITIONALLY THE BEST TYPEWRITER IS THE CHICAGO $35 00 [Illustration: Typewriter] No typewriter is worth $100. We have made a mechanically =excelling= machine, and sell it for $35. We claim that it is =the superior= of any typewriter made. This is a broad but carefully weighed statement, and it is the =truth=. Awarded gold medal at the Paris Exposition, 1900, in open competition with all other makes of typewriters. Our descriptive matter tells an interesting story. Send for it and learn something about a high-grade typewriter sold at an honest price. CHICAGO WRITING MACHINE CO., 89 Wendell Street, ❧❧❧ CHICAGO, U. S. A. _The Ohio Naturalist_, PUBLISHED BY _The Biological Club of the Ohio State University_. ═══════════════════════════════════════════════════════════════════════ Volume II. DECEMBER. 1901. No. 2. ═══════════════════════════════════════════════════════════════════════ TABLE OF CONTENTS.