THE OHIO 

 JOURNAL OF SCIENCE 



(CONTINUATION OF THE OHIO NATURALIST) 



Official Organ of ihe 



OHIO ACADEMY OF SCIENCE 



and o( the 



OHIO STATE UNIVERSITY SCIENTIFIC SOCIETY 



VOLUME XVIII, 1917-1918 



EDITORIAL BOARD 



Editor Frederic H. Krkckek 



Associate Editor James S. Hine 



Associate Editor J. V. Pahk 



EDITORIAL BOARD 



T. G. Phillips Agricultural Chemistry V. H. Davis Horticulture 



F. W. Ives Agricultural Engineering W. A. Kxight Industrial Arts 



F. L. Laxdacre Anatomy K. D. Schwartzel Mathematics 



J. H. ScHAFFXER Botany Horace Judd Mechanical Engineering 



C. B. Harrof Ceramic Engineering Joxathax Formax Pathology 



J. U. WiTHROW Chemistry A. D. Cole Physics 



F. H. Exo Civil Engineering R. J. Seymour . Physiology, Physiological 



J. B. Park Farm Crops Chemistry and Pharmacolog.\' 



X. \V. ScHERER Forestry E. R. Hayhurst ..Public Health and Sanitation 



T. M. Hills Geology J. S. Hixe Zoology and Entomology 



Ohio Academy of Science 



R. A. BuDiNGTox Zoology G. D. Hubbard Geology 



M. E. Stickne Y Botany S. J. M. Allen Physics 



F. C. Waite Anatomy and Physiology 



OHIO STATE UNIVERSITY 



COLUMBUS 



