New-York tribune., 1867-06-12
SCIENCE.

,.,-,,-o,.r Among the objects of great inter
%, 20 secntsts jn the iats Eh arc tS va
.erI, 49, tbe chanscsCn the temperature rfsdd rd v
srC.stuIe ard motion o. me a'nGsphe'o' in''"'oN
,,,.,,rpss-An unusually large uumber OF lceDeig51
ieon Iaeiy tne North Atianiir ion along
bad % s' ~ Zee While ofhcrs have met en"ro1s
icebcras much further south tdan the3 "' -
foaiud ;,t t..ls season VI thc year. >. . i.,r-,c
PrRE ACITiC ACID-Ficter OF bcInn 49, 49,, of SSr,re
q, Nafrrrc1Sto NHr soda or lime the IDanu4t ,e o f f
sesfc acid from crude WOOD Nl's'l. ~ gel Iid OF
By o.. "a astais 6ee than me "eoies ios. S{ %
line or sada if, onseGnsnoe Of "iueh '"'r' l. ''''
SIs nc 1 NeaIly o tin foil now used is adI,9r y, T
Mea Dy i oS,i" I'm o contained C9J per cent OF lea
Embossed foil, 1901 Per cent ta Ion tt ~ Load fle
SyifeHated article made ly placing an mgot ., h; e
Between Iwo ngOs % iin ana Ioilg snoi" iD''
sbi.b have a coating Of TN on BON slucs
CoIDArPECrtNG rHE'REGULAR GROWTH or IREls.
Gs e late BotanicalC Iro tslEly % h%S1 an
& s1 ~ Low temperatures in altering IRE direction Of
tffbranchcs Of trees lie stated that dheftm spvS.S
f,ost directly upward, while others move do"AWdr1;
bntin noally all tneIe WAS lateral mo'epV"V 'o""
ViT.IrY oF SEEnS--M. Pouchet of HOqen has
fornd thar a small proportion Of the seeds eI 1onWGyo
~ c,,o,o l1culnnOus plaH can Withstand coLtihlr
ons boiling i0s loars without losing Hslf Nany tanS
seeds treated were broken olen dle,r u, Vuer
bmt nose seeds which resisted the bgh temperature re
tanned thcrpoweIct termination ana spfag NY IA INV
course Of ten or twelve days after they were s""ih
Ginning BY AMAIGAMNuoN.--M.D Dufresne Of Paris
has introduced process for gi9pg he hSt coNcs
thearcle to be gide1 y! GGooni%s5 t psnV ,
ru,d by tho means upon II, and Isy 'oN'ts tTe T
artico with another deposit % mercury me arges M s
then heated in furnace Unt ,e mercury passes 3,, "a ~
yepor, when the coating oi S"I % is tU. nf t,e
mcrcnJs carried in close furnace there VIII pe DO
danger 10 the workmen. -, ;,,.
nlm is now used insths country for atse ISl.T,oLs
Puscher Of Nnremberg has snggestea IS Ec' aSy
bty of mica eiyiug great ID % oiGr ss &
makes beautiful material for niayins wolk pretty
effect is obtained ny scattering small hasuehIs
ing II witlaa dark solution Of gclatne Finely Siouu3
rnia mixed with solution Of gum al@tc may DC uS'o
for asilver INK.
C.unrrrxG Fccs.-This operation eof looking
through an egg by means Oi candle placed hehIho y
called canHcinSan egg hy pouiterlI WIG n"o ~, ~
souNdnoss. Prom mere trade p2ciiee IL mas lS, - 80
theligny Of scientific mMilpn;tioni anu b Clr b,
roinc on .hn he egg different periods OF incubation
sis Tor asssti, in researches on the OF mon
stTosites nv coating portions uf the shell. CarbonneIs
apparatus consisted al hollow cylAaer ll the cth!'r y
Which was powerful light The Bdcia &c IL Nocic'c a
Ieeiiagiai;oi has lately published the description oi
another plaD which consists IN screen, sAdlnS III
groove outin block, used as pedestal ms ScIY'Mi ~
which is OF wood has longitudinal sht IN Nefii'l u
rectop behind which IS lamp. the light ct when Is nm
prisoncd only 40 fail cn the egg placed IN lfOtUl
The Slit In large eg-latching establishments eggs are
generally candicd on the tenth day OF incubation
ATEEMBIING PLANT.-B Besides the class of sensitive
pants which display Kind OF itablity at the approach
81 some ext.2ntous body there another class having
spontaneors motions witlout any apparent cause Onh
lately ony one plant was kn0wu TO be thus ansccd-tht
HcsSarftha gsris Mr. II. LecOq repoltS 10 the tlehci
Academy of c SIMILAR GciOn IN the C"!Oftsd tScN
Eeatr visiting his hot house in January lakt nc per
ceiyea motion the leaves Of tins plant AZ ms
he attributed tito DRAFT but ON CNatDnallon, feifks
the same motion in four other leaves only ms lylh
nical iremOr was strong enough, 10 AFFECT leaves Q
other plants in the immediate neighborhood Daiy on
servanons convinced him that the motions OF the Colo
easia were not regularly periodical. Sometimes Mgl
would last all day aud through the night; but gectl
they commenced at in the morning and continued hl
noon. Not unfreeuenty the plant would remain III
state OF perfect for days and even whole wee6S
This induced Mr. LecOq to attach few light bells TO t
plant in order be warned OF the approach OF the PAL
oxysm On one occasion il began two hours after IND
night, aud confined nearly the whole morning TIT
bells tnked and the leaves were found 10 make between
100 and 40 psations per minute The ats were exceed
tngly violent several other occasions on te secOh'
of March last although the temperature OF the lOhOs
had fallen TO deg. G. eli 4l5o T. the plant seemed TO n
laboring under ft OF ague, aud the pot coiinng IN
plant and " ching about 10 kiloaammes shook so ina
the hand of could hardly steady IT, The rIthn
cal tremor likewise commune Gated 70 the hno leave
and eusters Of flowers OF several plants IN close proA
unity Mr. Lecoq cannot explain the cause OF tbs remo
but he thinks himself Warranted IN not attrplulG ~ :
temperature. lie suggests the possibility or its oeln
the result Of sOppage in the regular pelspiraio Oh u
plant,