The Marlboro democrat. [volume] (Bennettsville, S.C.) 1882-1908, 1901-06-21
people with still sno.her parasite, Ehp
iiiaris, which at tho moment Of hiB
biting entered into tho blood ofmpsns

Wne"E outeieu AHtO tuo pl0OQ sOtslfNSiasf
This TACT mado everything oloas,
mosquito must carry tho malaria q
with him. Nevorthloss, fifteen 3yaisgsI
passed without anything being doauesIss sto
tako practical advantage Of this tlioatSSsyys,s tSsys
Dc. Ross, tho Indian army surgeb,i, 4
discovered in 1893 that mosquit0sB
developed in their bodies tho protooN 3s
mo Labbe, a parasite which ho showed
caused nlalarial fever in birds bjtiens
| by thom. So tho connection was iixS6.
1t only remained to discover tho aot ion.
of tho anopholo mosquito as the yefiiolo5
Of human malaria, and this is due psskS
ly to d.. Ross and partly to DE-. Grasai,I
professor of zoology at Rome. SIS
For ten years past Dr.. CRASH had:
he,n pursuing his experiments onfthis.
Particular spooies Of mosquito, whom
tho dsta of Dr.. Ross ouggested toshim
tho ultorior rosoarohos which onaod
IN tho dcoisivo reeult. Ia <OotobsYi,,
1898, aided by Drs. Bignami and Bas
,ianclli, no acquired tho oorteinty,ethst
the mosquito who carried the mataria
poison was indcod tho anopholc. 7STne
parasitic gems which he c,rFieB In
him oanuo live whom thoy pass 5iiito
birds or domestic animals, butStfloy
1.-Two and develop luxuriantly in&tIo
blood OF man, which has tho unl4cky
quality Of SO strengthening and; null
plying them that thoy not only, infect
him with malaria, but oauso hing in
turn, to infoot othors. 1t is tho :feihalo
anophelc only which is dangorous /. Tho
malo 0oos not bite.
The conclusive experiments wore
made in . hospital hall Of tho sSauto
Spirito, at Komo, on dozen indiVidu
ais III good hcaiS ind off pihiiisnGHIo;o piiisn I'll
disposition, who allowed themselves to
bc bitton by mosquitoes from malaFious
districts.
| d.. CRASH rapidly obtained oonflrma.
ton OF tho other important faot,Gthat
| tho mosquitoes themselves oftonost bo
como infected by absorbing tho Blood of
q person siok with m.aria. TIfe, rod
globulos Of tho blood Of suoh pesraons
contain parasites quito distinct from
those, oau,ins any other CONTAGIOUS
mslady There arc Of the GLASS fspro-
toz )oros, that is to say unioall1lar
orsaoisins, who obtain their organs or
reproduction only after singular
honey moon trip to tho stomach ef the
| anophalc mosquitoes. It 10 thsr6i that
tho sexual distinction Of those germs
com mmences; that is to say, their repro.
duoiion aud development, Sometimes
their number cxccoas 10, 600 in ono in.
diyidual body. According to climatic
conditions they arrive ut maturity alowly
or.rspidly. Thon tho capsule which con.
teins them breaks; they flow into tho
vlsoero Of the anophcle, thonco into tho
saiiyary glands aud thonoo to thn bite
Of tho insect Tho mosquito, wben ho
/ oltes or piioks us, inocuyates into tho
wound tiny quantity Of this saliva
containing the germ'. Aud as Tho does
not get lid Of his poisonous proyigion in
any single bite, the sane mo I'd usSo may
inject several persons, QUO astsr% tho
other, IN q siglo night. Oae single bite
is ~; e., Fl c;o,,t ~ ntop Ii 10 10
OF malaria WhiGfl may f6s e q ma a. s15,te
timo or carry him to tho grave in four
days. an 63 III 9
Whom man is thus bitton and infoot
cd tho rod gobules of hia blood oom-
ncncc to altor, after about twolvo days.
is ct this moment that the feverish
symptoms O. ohiils and fushos begin to
chow themselves. These feyers arc
slight or strong long or short, accord
iog to tho malignity of tho individual
parasites with which he happens to be
incoulated, and according to the season
In which no contracted tho infection.
In the spring thoy arc lighter than in
summer or autumn. They generally
reappear each succeeding yoar. Dr..
Manson took with him to London q
quantity Of infected mosquitoes, which
ho caused to bito his son, who had mover
been outside Of Eoglan5 his lifo. He
nevertheless developed 1. yical attack
of intermittent fovor.
Malaria, therefore, is malady whose
contagious character manifosts itsolf
uniquely in places whore there are ano
phcle mosquitoes and during tho warm
season. Vegetation, temperature.
stagnant waters and marshy ground
combine powerfully to spread tho evil,
booause thoY mako conditions favorable
for. Tho propagation Of both mosquito
and germ. But thore are localities
like Poostum-which have become only
recently infootod aud it is clear that
malaria may be either brought into
ncighborhood or stamped out of it.
Komo rt III AIMS for somo reason froo from
malaria, though surrounded by an in
fcctod zono Of tho worst kind. Tho
stamping out Of malaria, which has
boon accomplished in the towns Of
Motaponta and Sibaria, has heoome tho
great hygiontio work Of Italy. Every.
thing demonstrates that tho disease is
not causod by any conditions OF bad
air, as it's uamo originally Indicated,
In 1893 DR.. Oolli bogsn his export
mont on tho railway employees of tho
Roman Campagna in search Of a pro-
vcntivo regime. Ho choose two points
known to be tho most olassioally mals-
rial, Corvara and Pontegalera. Those
xpcrimonts Interested ,hs whole soien-
tifio world Tho celebrated DR.. Koch
oamo to follow them and tho English
doyornmont senta commission which
installed itself at Ustia.
Similar experiments woro begun ia
tho infootod zono Of tho proylnoo OF
Saleruo by Dr.. Qrassi He established
his qusrtior goneralo at tho railway
stations of Albsnolla and St. Nioola
Varco, on tho Napl.s Koggic Oalabria
limo, in tho midst of dosolato, muddy
countryside, Inhabited only by troops
Of domestic buifaloes. Thoy woro 80
successful that thoy have boon con-
tinuod each summer sinoe, and tho
prosont year will 500 great extension
of tho work.