Evening star. [volume] (Washington, D.C.) 1854-1972, 1891-08-14
THE SCIENTIFIC BODIEs
The Work OF the Different Conventions Con-
tnued Yesterday Afternoon and Evening.
PAPERS BEAD BIZ THE OFFICIAL CHEMISTS AND THE
AGRICULTURAL COLLEGE AND EXPERIMENT STA
T1oSs MEN-ANALYs1s OF FOOD srurrs AND HOW
TO FEED ASIMALs-A McRoscopIcAL so1REx.

AGRICULTURAL COLLEGE AND EXPERIMENT STA
TIoSs MEN-ANALYsIs OF FOOD srurrs AND How
TO FEED ASIMALs-A MIcRoscoPIcAL soIREx
Inc various scientific bodies now meeting in
this city continued their work yesterday after
noon and evening. At the afternoon session of
the Association Of Official Chemists reports
were read on the methods Of analysis Of food
stuffs, the work being divided into two Sec
tons, foods rich in carbohydrates and foods
poor in carbohydrates.
Three sections Of the association Of agricul-
tural colleges and experiment. stations held
sessions.
In the agricultural section Prof. W. A. Henry
OF wisconsin read q paper on Physical Con-
ditions Surrounding Animals in Experimental
Feeding, Especially as Relating to Stalls and
Managers" He would go, he said, to the west
for points in this direction rather than to the
east, where more narrow-minded practices in
feeding prevail
THE BOTANICAL SECTION.
In the botanical section, of which R. D. Hal
sted OF New Jersey is the president, 8. NJ Tracy
OF Mississippi outlined the general plan of the
botanical exhibit from the experiment stations
for the worlds fair in Chicago. Lines of work
have been assigned to specialists at the differ
emit stations, who have already shown great in
terest in undertaking the work. and the indi-
cations are that the exhibit will require con-
siderable space.
Mr.. Atwood Of Virginia presented notes upon
. destructive disease of the leaves of apple
orchards which he termed brown rust of the
apple. Experiments showed that the disease
could be checked by the application Of modi-
ned Bordeaux mixture.
Prof. Brewer Of Connecticut exhibited an
English walnut butternut said by gentleman
OF his acquaintance to have been borne on trees
grown from seed of the English walnut.
ON COLLEGE WORK.
The section on college work was organized
and Prof. Brown of Alabama appointed chair
man and President stockbridge Of North Da-
kota, secretary. The subject Of expenditures
OF appropriations received in accordance with
the Morrill, act was discussed. President Al
word OF Maryland made statement Of the pres
ems status of the relations between these col
leges and the Department Of the Interior. A
circular letter to the presidents Of agricultural
coiieges from the commissioner Of education
and dated today was presented and occupied
most OF the attention of the section.
A resolution was adopted providing for .
committee OF five to confer with the Secretary
OF the Interior in reference to the payment Of
unpaid installments due in accordance with
the act OF August 30, 1890. And further, to
confer with the commissioner of education
concerning revision Of the circular letter
issued by him to the presidents and treasurers
OF state agricultural colleges, and also concern
ing forms for the reports Of the presidents and
treasurers Of these institutions. The following
committee was appointed by the chair: Messrs
Alvord OF Maryland, Scott Of Ohio, johnson Of
wyoming, Buckham of Vermont and Porter of
Missouri
, At the evening session the second Of the
kothamsted lectures was delivered by Mr.. L.
warrington, the subject being 1.-The Circum-
stances Which Determine the Rise and Fall of
Nltrogenous Matter in the Soil"
AIcRoscoPIcAL soIREg.
There were many and curious sights to be
seen last evening in the armory of the light
battery on New York avenue. BY the aid of the
microscope the small was made large and many
people were able to see many things they had
never seen before. The occasion was an ex-
hlbltlon soiree given by the American Micro
scopical Society that has been in convention
In this city for several days past. Around the
hall were arranged large number of exhibit
tons by the different members of the society,
and many tne specimens OF interest were to be
seen. A general invitation had been extended
to tho public and during the evening crowds of
people took advantage of the opportunity to
have look at the usually invisible things of
earth.
In darkened room an exhibitor was throw
ing magnltied objects upon a screen after the
fashion Of stereopticon.
SOME SPECIMENS EXHIBITED.
among the specimens on exhibition were the
cross section Of human hair, flea, electric
spark, bacillus tuberculosis, section Of the
nose Of mouse and the light-giving apparatus
of the FREELY, an array Of tiny bouquets made
up Of scales from the butterfly. the corner Of
the eye of shrimp, fungi growths on the
onion, eggs Of the moth, scales of Brazilian
beetle, tongue of blow1y, photograph of the
moon, typhoid fever baccilli. section of the
small intestine, the lung of an iron worker,
leech, stomach of a cricket and the parasites Of
the house fly.
Yesterday afternoon the society visited the
scum and the National Museum and spent the
afternoon in studying the mounted objects
that ahQund n these Irsf