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. LymanAgricultural Chemistry
F. W. IvesAgricultural Engineering
A. G. McCallAgronomy
F. L. LandacreAnatomy
J. H. SchaffnerBotany
Carl B. HarropCeramic Engineering
Jas. R. WithrowChemistry
F. H. EnoCivil Engineering
N. W. SchererForestry
C. S. ProsserGeology
V. H. DavisHorticulture
W. A. KnightIndustrial Arts
C. J. WestMathematics
Horace JuddMechanical Engineering
Jonathan FormanPathology
F. C. BlakePhysics
R. J. SeymourPhysiology (General)
Clayton McPeekPhysiology (Medical)
E. R. HayhurstPublic Health & Sanitation
J. S. HineZoology 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.