, 1877-05-21
INFECTIOUS DISEASE.

What Contaeton Consists Of---An Important
Subject Treated by rrof. Tyntlull.
London ncwspapor Of April 30 sNra: nPsus.
Tynda.l occupied thu chaiF on Saturday night II
tile concluding lecture OF Dr.. cosaell's cou7se
on tho laws Of health. The subject Of tho Lecture
was Infectious Dlsoascs,' In proposing 4 yoto Of
thanks, Prot. Tyndall paid high compliment to
tho lecturer for tho thoroughly sound In
stfuctlon which 10 had 10 ctcsely con-
yeyed. referring 10 tho causo Of diseases, he
had msde 1t plain that the contsgton haa consisted
Of definite particsst goulbtfo,es aoattng In Kas or
In she ais, or In tho liquid which wo drank; and
that. like organic sseds n thu aol, shsJ multiplied
themselves indefinitely In suitable media, the great
probability being that sheao dtsoaao- producing par.
tlcIcs were living thinxs. 4 closs study Of the
subject, extending now over two years, enabled
him To agrao onli.ely with tho lecturer 10 the
pAfaflclsm throughout which he had declared to
sxlst betwsau tho phenomena Of thsab disease.
po,sons and tbs phenomena Of ordinary putsefac.
zion. Take the case Of tl!ei Communicating
was exactly parallelsa By phoaomena ia
ass x.,., ,:a?sEssa ss:sa sss
perfectly eteas LIQUID; but that liquid placed IN
bottle ai.d exposed e the II. hegan 2 81 moro
ms.oseops wss soon tound 10 10 % sws:"x %ss, witS
would b .!s;iissd I e.ssythas % fs.as ssss
ss:S!ss ss;:s:!y ::;ssssd Il .ss ',e
mss - pess;sed os ys9,s n k. SAts.e no. :ons
stsalixed Desi.soa d this sort whish lad BEEN eceu
preserved tes etrhtssa meonths ln ststa
ed '''ss''''fs T. 10. 'at q; ;.a.ssns; sn;
;asa 1sad e. .snt as e se ss IL H. sa
into vaccine . ysse!a.,s1.ad ID forty .efh
these living organisms. In thls. ln the eass Of
contagious disease. thhss was period Of iueuba.
.'ln proof Of what the lecturer had stated that
hsts the coatagton Of these communicable djp.
;;.s sasss ~ - not Rassoas o. LIQUID but .od pr
oay fs~ ssst. s'nss. Eighties nsnth: b. as siass
hS na ea ps' tSa whGh :. nost
p,se.a 'p nanssr .sss 'saf'sd af ,s.:sis ass
eoataia'ax animal and vsesI.bls rcfase. sal Also
tw9 =. sn!ss sgssels e9ns,anx perfectly ss..
ws,e!. u which tho tnfsetirc particles had been
KILLED bx hs4t Although all those vesss!s bad
ss y sss :; n e1s
othaF but tho bssf'tsa aud mutton broth remsIu.
K. wnsa @ aka hs Hs.
babbla WA csased Ia oue Of tho putlcfyipg ua.,es
BY blowing into il. and sp4s 10 ths suf3acs sud
:. Il tsss. W: .: stoa t.
BROTH ta forty't three hours they became ~ bsd a.
thsif rstRhboss. It VA not therefore scwsr.9as
which dll ths misehlsf. but tho particles which
sesrsaS q sRo.ass pots ea wkeh shs Iss,S;s;
had tnsated, viz. thai t1eso WIS 10 power Vi
spontaneUls gensrston OF the gtrms or coutsgion
vi discuaes, Prot. TyuGall Aofd that though vi
present great naniea we're opposed 10 that rIew hu
would tentass 70 ptsdtet that len hence tLese
woasa b sssy i.w ktsat nA'asa % oppo.gd to':hs
power Of disease poisoas to b. genersted ID
dstuhpoafng suiia4l matter. h. would say thai
~! ths last swsaty.oas years he had been ln ths
hab!t VI Waiting tho upper Alpine ysl!eys, wharu,
among ths swl.s shalsts, ,Asss WA tue most
DAY, and exceedingly bad smslf., but ihcfc thssa
contagious diseases wuse entirely unknown. IL,
however. 4 psssuu suffering from typhoid le.ef
wsrs transported thsrs, Il would spfsaA iA4 wild.
6rs from Ihs infsesl foe9s md the dl4saAe wuu1I
pass through The tuAts population. II might te
eAss required Ii gssn, " seed fur il prS.
duesion. ust ~ 700 seqo!Esd grape sesd to pro-
4Gt4 YlAe. 4e AatifQlY 3gtaal 4Ish Ill lhak iha