524 
anode loses its irritability because it is nega- 
tively charged. 
A detailed report of the experiments which 
we are conducting on galvanotaxis and elec- 
trical gradients in organisms will, of course, 
appear elsewhere. 
L. H. Hymaw 
HULL ZooLoGicaL LABORATORY, 
UNIVERSITY OF CHICAGO 
THE AMERICAN MATHEMATICAL 
: SOCIETY 
THE two-hundredth regular meeting of the 
society was held at Columbia University on 
Saturday, October 26, 1918. War condi- 
tions were reflected in an attendance of only ~ 
eleven members. Professor E. W. Brown, of 
Yale University, presided at the morning ses- 
sion, and Professor O. E. Glenn, of the Univer- 
sity of Pennsylvania, at the afternoon session. 
The following new members were elected: 
Professor R. A. Arms, Juniata College; Pro- 
fessor M. D. Earle, Furman University; Pro- 
fessor Ernest Flammer, Queen’s University; 
Professor Gillie A. Larew, Randolph-Macon 
Woman’s College; Dr. Flora E. LeStourgeon, 
University of Chicago; Professor John Mathe- 
son, Queen’s University; Mr. F. R. Morris, 
University of California; Professor Susan M. 
Rambo, Smith College; Dr. W. G. Simon, 
Adelbert College. One application for mem- 
bership was received. 
A list of nominations for officers and other 
members of the Council was prepared and 
ordered printed on the ballot for the annual 
election in December. A committee was ap- 
pointed to audit the accounts of the Treasurer 
for the current year. A committee was also 
formed to collect funds for a suitable mem- 
orial to the late Professor Maxime Bocher, of 
Harvard University, who was president of the 
society in 1909-1910. 
The following papers were read at this meet- 
ing: 
J. E. McAtee: “The transformation of a 
regular group into its conjoint.” 
SCIENCE 
[N. S. Vou. XLVIII. No. 1247 
E. W. Chittenden: “On the Heine-Borel 
property in the theory of abstract sets.” 
G. A. Larew: “ Necessary conditions for the 
problem of Mayer in the caleulus of varia- 
tions.” 
D. M. Y. Sommerville: “Quadratic sys- 
tems of circles in non-euclidean geometry.” 
M. B. Porter: “ Derivativeless continuous 
functions.” 
G. H. Hallett, Jr.: “Concerning the defi- 
nition of a simple continuous are.” 
R. L. Moore: “ A characterization of Jordan 
regions by properties having no reference to 
their boundaries.” 
R. L. Moore: “ Concerning simple continu- 
ous curves.” 
Edward Kasner: 
Monge equations.” 
It was decided to hold the annual meeting 
of the society at Chicago in the Christmas 
holidays. No eastern meeting will be held at 
that season. But members attending the 
Baltimore meeting of the American Associa- 
tion are invited to read their papers before 
Section A, after registering titles and ab- 
stracts with the Secretary of the Society for 
record in the report of the Chicago meeting. 
The southwestern section will not hold its 
Thanksgiving meeting this year. The Febru- 
ary, 1919, meeting of the society will also be 
omitted. A regular meeting will be held in 
New York on April 26. The official list of 
otiicers and members will not be published in 
1919. F. N. Coz, 
Secretary 
SCIENCE 
A Weekly Journal devoted to the Advancement of 
Science, publishing the official notices and pro- 
ceedings of the American Association for 
the Advancement of Science 
Published every Friday by 
THE SCIENCE PRESS 
LANCASTER, PA. GARRISON, N. Y. 
NEW YORK, N. Y. 
Entered in the post-office at Lancaster, Pa., as second class matter 
“Fields of force and 
