, 1879-08-16

eAYA. he cofc111t3.tJ Ia mnkS another series Of
crnrrinents tn nsrcrtn,n II no.sIhle III whether
lie Infectious prnCipio consf4ts solely III tic
baciIll aWi their ucri,,s: ~ whether nn af!n,al
tl,nt hos hn,, H." ,israse Nh, Ina rccoyertd hna
,ost a las,er saevsptnlS " r. Hs
~ ~ ~ a..uhnt ~" ~ i'or nn,mni. t,rsjios
snn i oe eo!'saEcq oor;n,s,ia 10 v;nu % wnru majc,
anu The conclusions arrived at are:
l. 1lllt MI tnocnatio with bacllla mn ass nas-
fE'us.Rertns cultivated In IN innoeont l!Iiu, ,,a
disease With st NJ m'e! ec,talnts ~ a ''9Gn n,cr
laton with pulnonat cxnuatio''e' or ahy ,is u,.Is
scaFor of Inc inieGtlous rsNlcip" @a"e" 'es'
from dead or dtseasca hn0. ut...a iii,
Ihnt m as1'lial tEat nus ,ceM as ~ in.t
rwlne'plaeme. nut nhs n"s sh s,'
~ suscoptinillty. uus nay a,.. g., 'o rai,1or
disease aEa'1' s"o"s" p'oAo'' :" "s'
A0'"'' .,,,,,,
THE ca1cAoo HEIfs"'
It was whflo making these e1perlnenta ff,nt
Dr. Detmers wns called to .chicngo. i1o f.
tended commencing Il series 0! experiments with
cattle for thu PURPOSE OF deciding whether sWit!c.
pinguc could be communicated 10 cattle tho
eainn as to o!hcr a'illials such as slieen md
rahbts, whtcl. he says fc bad seen stated in
abcr Ind hccn tlcccssfullv in0cliatcsl ny Frnf.
j. Law. Of lthaca, N. !. llc then proceesis at
some 1cuEth with recital Of the facts attending
1 Yarsls whicl, 9 exii6ited symptoms "deeis''Iy
suspicious ot contagious p1eiro-pneurnoIia.''
The heratszatIoi1 Of the lungs 81 TINS animal
gave rise TO serious questions a. to tta trac con-
dillon. nnd these camo uppcr'host:
Can swine plague ho transmitted also 10 cattle,
and: y u can what - the caac IN question: u
contagious bGv1ne n'cAro. .pncunfontn. or ~ It
swine. plaguc tranFmttted 70 catslcf y WA coar
TO my tnnd. II ! was eoh'nGloas plehtn.pncn.
tnon!a, scyernl cases. nr vt least more than one
case. would oe cxlstng a. .ha nlaee ~he1e Inc
lnstlnr md intimate enntSct o. association With
dfacnsch hugs aust hnyo taken place.
Subsequent investigation shaved that The
swiur, by THO sasae farn,er WHO hal shipped hce
to the atack-Ynrlls. Quite a ntlnlbCr Of hogs
Ind died In that netehtnrflood ot swinc-plaEic,
n,ni this gave colnr to the theory tint this dis-
aniinais. @
EXPERIMENTS WITH 1iEtFEns.
Il WAS following this that DR.. Dctmcrs began
his experiments t. ascertain whether The swine
I n iho s0th ,e Of y May he rot Two eaithy hefcrs
ono d common acrtb months old, aiul ule
other a hnl[.breed Jcseey, nnl about months
oiI, rhn former anIn1ut wns ,1ncu.ntcd In tho
cnr viii, lcss than u u,larter OF a drop tf serum
pressed out Of an ucerous tunor sIt,a,el IN
Tia srrnt,,n of n rccontjy.castrnted pig. sick
With swine. plague. The itc!fcr was kept III n
stable, Tic other heifer was also inocuiatcil,
~ the ri NJ .Iniv thu scrb brt.er wl1ic1, had
brcr inncl,lutetl with serum from Tie ulcern.,s
tui1or, was killed. The report Of DR.. Dctn,ors
GctS forth tic following tnGfhiu ChnnEcB lon1lu
at thu post.tnortcn, examination:
nI,t,nct1y limited tcircum.crlbo;1, hcpas,zatIou
At nsyerai 1aces in both iobcs Of tic ini.ga, each
tiugu patch comprising oniy a fow lohulcs. hut
very distinct and well dclncil. The 'no.t cxten.
nsst hcpattzn1on sns ton'l'l along arger Eonehns
III to rostssior nart o. tlc !e1. tne ~ Sintsac" a,
atts OF racaSs ~ no ,ens ~. r., o,.
brano Of tbe bronch!at wns fo,,nd to be- slightly
swclietl; snnl! quantity Of sernm wAx founu in
lle peTcardsam anA in tho chest, nn lttln 1nors.-
q faw ouners. lin tho 1hlpmtnnl cavity. The
Ymphatfc sland1, fittlntet IN the chos anu .hose @
bcinnsns 20 toe nessn!es'm Metu rale
.. ten'' G1nsGmy ~ no sarp ~ T. hc ,,"ric"ty
Snit,.. nnd M n"rtna1 'T,c hiooH ptobnby. wus d
shan }arEor ihnn That Of ,,crlccty healthy caitla
bu;chcren, Or Killed. By nl.rtItnR.
rhn rYner1n,r,,t with this helfer. tlc Doctor
hcitcrcs l,ss n,nvc, i,eyonJ n dunbt:
+ 1hnat swfncsnin ,,n rn,, he communicated tn
c,t1,c hS s,ircrt innncuint.ou. tbourh nerltans
oniv in 4 mid form.
s Thnt rattic n,sscsa )eaa s,,qceptibiiity than
swinr mn, "rn rnt ensilv infrctcII.
4 Thnt thn nrinci1ai inorbII Changes Of syinc-
n,nrur comtn'1ntca,ctt to cattle by inuoculntion
nrrscns thelusciycs ia hcpRtszat[Dn OF tho pul-
innnn1 tisRt1p md ntp essentially lie sn1ne Ia
rnItin m in awinc.
>"I NV, 10 tI,o M "rncr,mcn.s Dr. rctmar. ,t,nus
rum LIZ eApt4 4sHuusos s<s DtsuEan tatn -