New-York tribune., 1868-06-10
SCIENCE.

,I,,-ppA1 SPRING.-The wa
ter of Medicinal spring on ' If london aud found to
been anayzed by Dr. Of chloride of calcium than any
e1.sn q water known ~ us IS Iinn Of IL holds
aud strongly ymt ss ounces Of chloride OF ga 9 am
IN of SALT and q grams g Oa nnpposes by
mou ~ tbe island for the last 40 years anu uapdular
and most beneficial IN o. m Se above the sea and
it mile from IT, rising through snf AIMS on
DeAiiy n tbe he'd of a small stream near SalhV ain va
Ar,z,R1NE.-Takinga advantage OF NJ ocltn ocIlutIo u
aLA, invest on of madder. when was pIoNSSuuG "a
contain i've pigments NJ Man or | transforming four of
patetn tbe "ny one alazarine) yielding an 9naeI5
pie oSe, suInbrc acid and then zinc is auuGu5
The ION is accelerated Dy lhe use Vi a. mass is
tnn1id T with water and the abundant pTeclpaIe s %
Teonred dye which, after being waSnGG Mr1 pseudo
Le@S i'm and XanthO purpurlne are transIort%n % io %
sIalane This process for m96ls R nportTt avfI in pecu
oring matter in madder seems 10 % DC & iilIOi '' " -
MARY as well as scientific, point OF Nle"'
DECOMPOSITION AND REC0MPOSlTl0o,NN i OF
I,aUTMr W. j. Lane used, In place Di tle % eUStS npp
Ia STi,neut glass tube eight or ten ihees 'og "u ~
half an inch in diameter with OOe uht n, cas- flame
ha r. a room containing only one IghI "a siS ildluo,
t While standing few feet from ana IaonS
H. place the tube horizontally across te ' tbe gbt
fo Them as possible and on OoKllg .OM% INN o,nns,S
kamtfni arc of large size will appear WlchLs
Sf series Of splendid speetr more % OF & s d fb dis
cordng 10 the refractive powers OF inc t,loe anu 1
tece of the observer from the light NOW, upon ON IeVo
49,. while placed lhe arc ol h+,tt VII l4,
tie revoye very rapidly the cOlors VIII DC pleuueu
aSd ,y51e ligbt produced; thus ahOrdlng pIeaslng
a~neriment With large tubes OF greater utspoHS'N0
newer the effect would probably be more DeauthW.
CrRcuIIo.-Experment made by Benjamin
n Walsh Acting state Entomoogst Oh Anols naSe 5 leu
nm to te conclusion that there are Two dStnet uIOOus
f ne pum curcuhO every year. the ist OF Nlc VVhSs %
ot i'm he beetle state in the latitude OF ROCK lsu lOn
about July 10 to Aug and the second IRON Al aug 20 o
sentember % The first brood Is generated Oy lehaes
that have passed the Winter IN the beetle state ana %
ATTACKED the early fruit laying IN the more matuted
tbe egg from winch proceeds the second Droou. @ ino
cond broOd of beetles come out late IN te same seaSo
ami fhe females al all events, II not the males, hNo
ronrh the Winter and repeat in the succeeding season
The process detailed above. Thus will be seen ~ 9ice
the Cnrculio differs from the apple-worm or Codlihs
Moth-whch is also dOubc-brOOded-ln TINS, thas INC !he
farmer passes the Winter in the perfect state ana e
htter in the larya and pupa states The praetleal Ie
ence 10 be drawn from this discovery that Dy destroy
hg i'm June or early i'm July the first wOrmy frut lI
produces the first brood the crop OF cureun0s lu ne
current year diminished No reliable method LOT IlY
Ing OF the curcuiO has yet been discovered is proper
to here state Dr. TrmOle Entomologis or the s'ae
OF NewJersey, has made experiments IN reIaon 70 e
producon of distinct brOOds He has taken the earnest
eurcuo Of the season and watched their movements ne
has never been able to discover embryo eggs III me
females until the next Spring. and never mas he seen tc
sexes approach each other during the first season OF
maturity Like many other insects, ourcul0s DO hot u-
crease their number until the second year Ihey hyUtT
nate during the intervening Winter turther eNPcII-
Iuents should be made finally settle this question: