Evening star. [volume] (Washington, D.C.) 1854-1972, 1912-09-25

The importance Of the house fy as a
disseminator Of disease. and The Wash.
lnSton stars antl-iy crusade, were
Drought to the attention Of scientists
representing half a dozen foreign ma
tionalities at this mornings session OF
section on the control Of infectious dis
eases. DIR. L. o. Howard Of the United
states bureau OF entomology, Washing
ton, described the common house fly as
perhaps the most serious factor in the
spread of such diseases as typhoid fever
diphtheria and other communicable dis
cases. In the course of his talk Dr..
Howard referred in fiattering terms 10
The Stars campaign for the elimination
Of the fly, its breeding places and all the
means by which it propagates and
carries on its deadly work.
All of the various sections held sessions
this morning. and the sessions are being
continued this afternoon. At tonight's
plenary session, which will be held in the
assembly hall of the New National Mu-
scum, instead Of at Continental Memorial
Hall, as previously arranged and am
nounced, DIR. Zahn, director of the Ia
varian statistical office of Munich. Ger
many. will deliver the address.
At this mornings session of section I
OH hygiene microbiology. DIR. p. c. Heine-
man Of the University of Chicago de-
scribed methods OF examining milk for
bacteria. Several papers were read on
various diseases of the typhoid type.
Antagonism of Salts.
The part taken by inorganic substances
in human nutrition was discussed at the
morning session Of section III on dietetic
hygiene. DIR. Jacques Loeb of the Rookie
feller Institute. New York. read a paper
on THE Antagonistic Action of Salts
and an interesting paper on the distribu-
ton of soluble salts in living cells. and
the forces controlling IT. was contributed
by Dr. Archibald Macallum professor OF
biochemistry, University of Toronto Or.
Hermann Strauss, professor of clinical
medicine in the University of Berlin. told
OF the role OF common salt and water ia
the nutrition of man. \ paper that MAS
to have been read by DR.. Emil Ahderhal-
den. director Of the Physiological Insti-
tute of Halle, Germany. was omitted. the
professor not being in attendance at the
congress.
Before section III on child hygiene
this morning DR.. William f.. Chancellor
former superintendent of schools of
Washington. made the declaration that
"the foreign male immigrant invariably
chooses an American-born girl for a
wife" On the other hand, he said, for
eisn-born women will choose their mates
from foreign-born men or remain unwed.
tions may ignore language" declared DR..
Chancellor. but they never ignore lati-
tude. No northern European will be
found marrying d woman from the south
OF Europe. or vice versa.
This mornings session included several
papers medical inspection. its eff
cheney and its effects. and on various
phases Of the problems arising in Ia.
conduct of public schools.
Examples of Hookworm Disease.
Two schoolboys. aged fourteen and sew
enteen years. who are victims Of the
hookworm disease, were objects Of inter
est at the morning session Of section w.
These boys were shown by Prof c. w.
Stiles of the public health service. Wash
ngton, in the course of a paper on the
aspects of hookworm disease in
the United States. The boys, said Prof.
Stiles. were typical examples of the raw
ages of the disease. They were tested
Yesterday by the Binat test, and their
mental development was shown to be thu
,f boys nine and nine and a half year.
Did, respectively.
He showed that the educational handi-
zap to rural children follows them
throughout life, making them less efficient
factors I'm the economic development OF
he country. He discussed the special
strain on mothers, the tendency TO age
rapidly. and spoke OF the influence OF
hese tendencies OH the home and through
he home on the community. In conclu-
don Prof. Stiles said that We far less
n need of immigration than of laws TO
improve the health OF the country, de-
.larinx that better health conditions and
decreased death rate would permit the
Ia tural increase of population to furnish
I'll the workers needed in our expanding
Industries.
DIR. Bailey Is. Ashford of the United
states Army Medical Corps OF San Juan.
Porto Rico, presented a paper on ''Th.
Aspect OF Hookworm Disease
n Porto Rico.
The story of the redemption of the
,eople of Porto Rico from the hookwo,m
isease after its centuries OF rarases MAS
old by DR. Ashford. How scientnc
reatment has made whole people 10
,er gent better physically than they were