New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1892-08-17
SCIENCE TOPICS DISCUSSED.
FIVE SOCIETIES IN SESSION AT ROCHESTER
IMPORTANT AND PRACTICAL PAPERS oN ihi
WEATHER sERvIcE-INsEcT LIFE AND
GEOLOGICAL STUDY.
BY TELEGRAPH TO THE TBBUsE.'


Rochester ~ V, Aug. 16.-The sin""h,eou
scssions OF five scientific societies bore WITNESS
OF the approaching meeting OF the American" -.
ton for the Advancement OF science, Win w,e
sections. The American Association OF s'a'c 49,
Services has perfected its organlzauol I,e,,as
president Major IL. II. c. Dunwoody' Vi ' =, da,
States Weather Bureau. The first paper rhu 'V ~
or Rcst Methods OF signalling" By Director - W.
smith led TO much discussion rs TO the io
ueriis of fags wire balls, semaphons uh f
whistles ringing OF church bells and hrihs VI 80 -.
:, ,,..r, colors Mr. Harrington considered the
matter one OF the important for tine "
the service and it was referred TO n Special
At the meeting OF the society Tor inc 49,,
Agricultural science Professor Arthur, VINO ms ,e
I'D nom. from the meeting OF tne British Assocla
uor Gov tho Advancement of Science, at whoh -'"o~
memters were In attendance. read vainapc P'po o
"Gr.in Smut, and the Use of Box water 10 II .,
A paper by DR.. ID. +. salmon on the :" cause VI
ar Texas Cattle Fever" read in his absence os ' -
rotary explains for the first ume thiS "S a.o''o
d,sease The conditions In which 1t occurs ui "
together from those Of any other disease ana
nuvz,np nrobIem 1t is not communicated direcuy oS
diseased cattle but by healthy cattle Transporter o
the southern Atlantic Coast and Gulf whcre y III
WAYS prevalent Cold weather, however cheo"s ~ s
the infected pasture is found TO be wholly ushN
after the first winter. The key to the p'"ie'
the fact that the disease is due to bacteria so'e "
without being able to induce disease In the c''ue'
rh bacteria are taken into the blood by ticks which
infest the cattle and they pass from the mother
TO the Young ticks which hatch ont In the grass ana
attack fresh Victims communicating TO them 'hcs
pathogenic bacteria The severity OF our E>o'''oi"
winter However. kills these ticks. and with them ,hc
contained bacteria that the pasture is again saie iof
cattle in the spring. The obvious preventive renedS
Is to spray all cattle from the infected region WIN
lroroc
Among the papers before the society of Economic
Entomologsts were the rosechafer, ana one on
the scymnus by Professor c. Y. Riley. Profess" H.
g. southwick OF York. in n paper on the parsfip
wet vrm stated that he had discovered three species
OF bimenpcrous, and one OF dipterous parasites upon
them Birds did not seem TO prey upon them' pn,
thew had n formidable enemy IN the potter wnsp. and
funrous disease found iniesting one irhh's'
which may furnish means OF destroying the worm q"
largo ecole Professor james Fletcher, OF Otta"h
gave nm exhaustive review OF the work Of the year IN
canada paper detailing m Interesting experiment
against mosquitoes was read by l.. o. How"ro OF
washington. who stated that In many restricted
localities the mosquito plague may DC
svertad Nv the economical process OF
treating the breeding spots with kerosene. He gave
o details OF some experiments made during the rSt
,or, y, Julv which indicated that $4,000 square 1rct
., ua,er surface can be covered with one barrel Of
kerosene costing ~ So The effect OF this treatment
win be that the eggs and early stages OF the moSqo
will he DESTROYED and that all female mosquitoes
alrbtinr upop the surface Of the water for the pur
noe. n, LAYING their eggs will also be killed the
insect,cidal effect OF such application VIII remain
Gov NJ leos two weeks and will outlast all ocular or
odorous evidence OF the presence OF Kerosene hc-
cordlng TO the author there many localities suo
rs mountain resorts and country villages "h''c wv
nosoulto scourge will be completely avoided nj no
ooo,.r .xpense than the cost OF single barrel OF
kerosene.
The proceedings OF the American Geological 20
cio+v werc important but technical The veteran
lanes Hall OF Albany was hand 10 propose new
classiGcatio for cert ~ rocks and nomenclature su'h
as 10 give to all th formations from tie Top Oh
the Hamilton 10 the top OF the Catsin the name oi
Caiskill group In paper on the e1'raSia'"'no
drift NJ the Susqtrhanna. Lehigh and Delaware rVeh
Professor G. F. Wright OF oberln. gave the results "i
his summers work In those rcons Ills ahe
arin,I rnotaine If great ice IS bord-red DN
frnre Of thinner gacal deposits extending frpu Two
10 twenty miles. This discovery seems 10 eNpn t
he conflicting reports which have recently Dech nsue
lie other observers apd docs away With the necessary
OF more than glacial period IN The eastern part Oh
the United states. ,,, ,,.
though plrey technical were OF unusual interest ~
chemists A new constitution was prepared 10y the
committee and will be presented 10 the society 10
morrow which Is Intended 10 place me s-hctf on W
irad "a footing ns 10 render II desirable Tor All chem
sts IN the country TO become Identified win u.
ro this end n Is recommended TINT application u"
made IN The next Legislature 20 repeal the clause IN
The charter which requires that majority 81 The
oi,icsrs must he residents OF the state OF New ORR
rhe society originated I'm New York City ana has
there; The narrow proVls'o,s o. me n,ber
hc,,icol socIetcs hui Is hoped this will De over
come as a result Of measures now proposed