, 1874-11-13
=.
TENDALL'S POSITION.

Enc limits Of Molecular Forcc tn
1ssnc OF tho Uny-.4An Object Lesson.
trot. Tyndall on tho 2Sth ult. delivered Il,
hlat OF eerlos Of scientific lectures which ar
70 pe given IN tho Fteu Traao Hail. Afanchosso,
England, by numbor Of distinguished scion
aa ta' na Tug sabteet seectsd By rol Tynda
Iho ioliowing u d summary Of tue lecture:
fluf. 1yndnll, who WAS received with great an
pia'tBe, sad that lie wished most sincerely TIA
what lie lial got. to tell thom might bo NOR
sn wGt,ny ys 9t ther bearing than It was. However
nelf,ltig hand III What ho believed to bo tr,lt,
Rooa "urk, ho could not, though ha1tl pressed b,
olner e ausics. refuse the inyitas,ou. [Applauao
ayno te~ years aso ho happened TO visit largt
school aseed hin to tako ono Of Ills classes ani
give thoni loss0n. lIo agteou to do 30, nro,
y1dcd tho PRINCIPAL allowed Linn to take Lii
younger g boys. Ih!s he kindly consented 70 do
to Intel est Or instruct tho littlo follows, ho won't
to listto vitlago bard by aud purchased nl1ht.
tlty Of Bilgai-candy, and wlon the hour fol
| assembling tho olass arrived that was hla
asunder bclore tho boys, Mho wero sill accus-
toned to experiment uppn such otsataa in u cor
tain way. LLaushloT.1 Ito tried, however. To
reveal siv!dly to their young minds the manner
10 % mhaeh thgso crystals Of sugar. csndv had boon
1nilI up: Ho tried to mako tlcm follow him. as
was formed. Tho lttlo fellows ijstonnd 10 lin h;n,
with g.cat interest. They had bcou s1ckiur
sugar,candy all their lives, but they had no no.
hidden beneath tho crystnls of sugar-csndy and
wben lo took tho crystals and found t,at III ono
direction ho could split them into piccos t,f
!aintn.o tho Joy Of tho Boys mas complete, and,lo
nRa raIeiy spcnt a. hour with greater rlcasrc
lesson LIZ thought it only tair to open lis
pockets ana permit the class to cxperiment
Un tho aaenr-cundy III their own particular way.
lLauEntcr.] lilo WAS afraid that great assembly
woslla deem 1t somewhat impertnunt OH hts part
to endchror to entertain thom OIL the subject be
lollnd SO Interesting to those little boys. How.
dvor, lic would run tho risk Of being weariuofno,
aa well as lmrettuont, and he MISC laborcti under
tue disadvantage that at tho conclusion Of lis
lecture, lo Bliuuld not DO ablo to mako matters
pleasant In the eanc fashion as was open to him
~ tho case Of tho little boys. fLaughtor,1 They
Lad to consider that evening tho phenomena Of
orystnli'zaton and before they reached tho idoas
now entertained upon that subject, and III order
to traco back the fancios Of tlose notions thov
had TO go a long way back. In the druwint: Of n
bow, IN tho totlng Of jave]u. In Tho jittinf,
OF nuroona, ana IN personal combats, oyon
siasnge tina Sc men became acquainted wltn tho no
lhs "ntct thls foruo wns directed against nature,
against Lib brain. aud also against lu follow
'nap. no acquired foresight, ho learned how to
E1oslde tor tho future, to COLLECT food. to giyo
h1nHAIF
to LOOK around him aud to become an iuouiser
INTO extornal nature. Aud in procoas Of time he
discovered two things which must have pro. r
Ionudly excited llis interest. Ono OF these
tansb consisted ~ tho tact that certnin resin,
or klnd Of resin, dropped from the amLcr tree
particularly on tho shores Of tho Baltic, wI,eu
luoted, acquired Tho power Of ATTRACTING lit,ht
bodies to itself. He also iu those carly dsys
taaoe tue observation that certain ole Of iron.
d certain stone. which wua called a IoaJstone
was nlso capable Of exercising similar power
upon peonl!ar metal. Tho inquirer. in thcsc
emily ages OF history, had obtained tulorab]y
clear notions OF tho exercise of force from Ills |
own muscular action; Ho was also nble to dis
tlhgutah the action OF muscular efforts in pusies
PUG pulls, a:ld, W lis experience aus.aonted.
lo found that Tits loadstone mud this electricity
we're capable also OF exercising pushes and |
PYLE; and M as he saw tue 1naguet d,awins par
amber drawing light subjects to itself, Lo trans-
[etrod tue notlo!, lie had obtained from hia own |
nuscular uotlone and the pull and push Of |
slnber aud magnet were TO him also furce. Tho
eeturer then prooecacll to show. by means of |
elaborate experiments and explanation, tic ac-
ion Of polar force I1o remarked that lis Oh.
ecs wna tiolc to show tiieM the growti, OF veien-
isio ideas than anything IN an experimental
way. ~ Me T.. then wont on to say: We aro aur-
md, II you will allow INC to aay 80. / hnys
sometimes, but oftcn-in the
watched tho navnpco Of tho
'pIouting leaves. and Of tho grass, and Of
ho o aowGrs, uai na observed Tho gsnora Joy
myself this qnestion: Can it be that there
II no boing or tAiug in l,aturo that knows
more nbout these matters than do !? Do I in
ny eagerness ropreaent the highest knowledge
md gentlemen. tho nau WHO puts tIat question
a'rly to himself, II ho be not shallow man, II
10 be man capable Ut being penetrated hy
PROFOUND thought. ho will noyer answer that
question BY protesting that crpcd of athcls,n
y!cll yi!!,c lns nocn 80 lightly directed to me.
Cheers.) Everywhere throughout our planet
70 notice this tendency Of tho ultimate partolos
u mattor to run lnto synlmatrio forms. The
cry molecules appear inspired by dcsiro for
t tho prcsent day il ono, icat. TINT viii not bo
Owed in our day. but will continue to aptate
nd occupy thinking minds attor wa huyo d.
artea: ihs question Of questions is, "IIow
ar aoos thss wondrous display Of molecular
aont Of tho sap in trcca?" / roply.
Mn confidence, asHurcdly 1t does. Docs It riye |
y tho beating Of our owl, heart, tho warmth, OF
ar booues. ne circulation Of our blood, at,d ali
itor no opinion tonight. 7 layo brought Won
tho edge Of battlefield into which, tlo 1,ut
atead to enter, from which indeed hayobarely
scaPed- lnngltor and clacers]- what bc.
Iattorau | una nogr!med, but without mich losn
'ma!ns fur mo not 10 onter this ba1tlo-de!d. bit
} point out to you tho positions Of t4e contend.
u hosts. You can pasa on hy almost iu,por- /
,ptlblo Erada:lons from this wonderful lsi,lny {
force that have beon ablo to maho muulfost
your eyes to"nlBl!t-you eau pass ou, Soy, to
10 lowest fornls OF vegetable lfo; YOU pasB !
OH them to higher fosnls and 10 puys to 9
10 htghoHt. I l,ayo spoken Of coptoud-
q hoBta. aud tl.cir position IL this, Ono class ,
thinkers suppoko thnt all tAnso aotious-tlle
ystal you have soon !urmed before you-reeurd !
!ls as tho growth Of hingle uatrru! proccss.
hoy grasp, NJ It were, ths development OF ]ifo ;
J III indlssolubly connooted wilolo ono great :
gan'c growth from tho baelnniug. Otl,ors uny : :
il not poaRib'o TO pasa from tho inorganio, al :
10y are pleasoa to call It. uero. tllen. aro two
'rfoct!y distinct positions. II ynu look abroaI :
III will llnd mon Of eql al interest," equal car-
'stnose :.cqual inetigenoc. ranging themselves
two opposite aidcH i'll relation TO ths question.
Aicl aFe right and which aro wrouE
! admit, 4 question for grave discus. :.
IN, and not for abuse mud hard hitting,
hoers.1 I am afraid that 1nauy Of the feara
~ entertained OIL those subjects really hayo
in Hind of fTJoor 1,n..1 |