NOVEMBER, Volume XVI. 1915 Number 1. The Ohio Journal of Science (Continuation of The Ohio Naturalist) Official Organ of the OHIO STATE UNIVERSITY SCIENTIFIC SOCIETY and of the OHIO ACADEMY OF SCIENCE COLUMBUS, OHIO Annual Subscription Price, $2.00 Single Number, 30 Cents Entered at the Post-Office at Columbus, Ohio, as Second-Class Matter. THE OHIO JOURNAL OF SCIENCE PUBLISHED BY THE Ohio State University Scientific Society Issued Monthly during the Academic Year, from November to June (eight numbers). OFFICIAL ORGAN OF THE OHIO ACADEMY OF SCIENCE Subscription Price: $2.00 per Year, payable in advance; to Foreign Countries, $2.50. Single Copies, 30 Cents. Editor, JOHN H. SCHAFFNER Associate Editor, JAMES S. HINE Associate Editor, FREDERICK W. IVES EDITORIAL BOARD J. F. LYMAN Agricultural Chemistry F. W. IVES Agricultural Engineering A. G. MCCALL Agronomy F. L. LANDACRE Anatomy J. H. SCHAFFNER Botany CARL B. HARROP Ceramic Engineering JAS. R. WITHROW Chemistry F. H. ENO Civil Engineering N. W. SCHERER Forestry C. S. PROSSER Geology V. H. DAVIS Horticulture W. A. KNIGHT Industrial Arts C. J. WEST Mathematics HORACE JUDD Mechanical Engineering JONATHAN FORMAN Pathology F. C. BLAKE Physics R. J. SEYMOUR Physiology (General) CLAYTON MCPEEK Physiology (Medical) E. R. HAYHURST Public Health & Sanitation J. S. HINE Zoology and Entomology The OHIO JOURNAL OF SCIENCE is owned and controlled by the Ohio State University Scientific Society. By a special arrangement with the Ohio Academy of Science, the OHIO JOURNAL OF SCIENCE is sent without additional expense to all members of the Academy who are not in arrears for annual dues. The first fifteen volumes of the old OHIO NATURALIST may be obtained at $1.00 per volume. Remittances of all kinds should be made payable to the Business Manager, J. S. HINE.