The Houston daily post. [volume] (Houston, Tex.) 1886-1903, 1901-09-22
I'M WAR ON MALARIA.
Is.st Mosquitoes as Agents in Garry.
Ing Disease.
sH,JS KNOWN; WHAT WILL BE DONE
/. nov.l Theory Regarding laborer's
A r,mps--Some Experiments IN
Africa with Malaria,

,...,n september 9l.-A paper Of much
4 ,.r interest, soon 10 appear in the
Il -, N the Massachusetts, Association
4, po.rds Of Health, upon the relation OF
'.,aoItoes 10 mnlaria. has been prepared
=, rheobald Smith of Harvard univer-
,rho under the direction Of the State
", !, health, has given considerable at
4 KIN, "a the disease as II has prevailed In
4 ..,.,chusetts during the past six years
Esa,b ne kindness Of the officers of the
f,.o5stlen. 1t hns been made possible to
k..,,ot in advance some of the more I'M
4,.,,n, passages Of the paper. Though II
!. cry TO present II brief connected
- az recent discoveries regarding
.i,s. and mosquitoes, it nevertheless
~, ont number of points which will
.cnrey novel to the general reader
,.Sss " fine. too, when the seasons
.ase,,s canpalgn against the mosquito Is
s I'm with the advent of cooler weather,
"A y SS,lth's article may be taken as n re-
f'ma al what has been done, ana what may
4 Sone IN the warfare against malarid-
xnsrlaly what may be accomplishing by
XssiIer communities and Ny individuals
85en mosquitoes and malaria come round
/rap another year.
IN. smith. ii will he remembered, was
4 y aiscoyerer OF the difference between
IN ScyIue and the human bacillus of
&herrnlosls as has recently hcen pointed
4 n N connection with DIR. Koch's address
"A london, liz the matter of malaria, too
&hsteyer he may say In regard TO the ma
A "a and transmission of the disease has
%sse thau usual Interest from the fact tDut
n 4 preSelit knowledge of human malaria
a largely based upon the Investigations or
4 tab ha fsmfANsfnIL
N assistance OF i. l.. kilborne, some ten
8srs sgo and which resulted in the dis
&re5y that the tick was the inferno
4 no host" as II is called, or general me
&um. as ii may he less technically termed,
4hrh carried from diseased to healthy cat
Il he so.caled Texas fever that has so
Ma rayaged the herds Of the great South
Y II psper begins by pointing out that
MANA and the part oi the mosquito In
4radisg it have been studied by four
Masses OF men The first step was The |
fudy o. the disease Itself from the sand |
*nt Of the physician; the second, the |
&ody OF the nalarial parasite, to which |
IN medical biologist and the zoolo5ist have |
&foted themselves; the third the study |
y The mosquito. undtrtakkcn by the FOOL !
@ia and entomologist, and the fourth, the /
&yealgatiOn OF the hest way 10 get rid
A M mosquito, which is the work of the
IL fact which Is well established, and
a which the whole warfare against the
<sluito depends, that the germ Of ma
&rls develops partly In the rcd corpuscles
the blood, and partly in the stomach
4 The stomach walls Of the mesquite, so
Mi both mosquito and man are required
q enable 1t TO complete Its life cycle, was
n discovery Of many men, each working
n knowledge supplied him by others. BY
~ Investigator or another 1t was found
~ as DR.. Smith points out in an inter
Ming paragraph, that malarial parasites
10 IN the red co-puscles of frogs, turtles, +
cards anu snakes that birds-crows,
icons hnches and splrrows in different
Hfts o. the world are also affected With .
*arh: and that the parasite occurs In
upals other than man. as cattle, sheep
degs-in all OF which II produces Sc
~, and destructive diseases, Man nc.
4alngly was not the only one affected I
#th malaria; the same scase was gen
4 animal life Never ,hcless, all eff
rs e prove that the parasites OF animals I
NJ able 10 infect the human subject or
t'R human malGrial parasite was able L
meet animals proved a failure. Only !
81 thing carried the parasites OF human /
NV, and that was the mesquite More
although It was found that the Culex
saaiq'esrrie1 the malaria of birds, only
III Anopneles mosquito could carry that
ppnan beings. Regarding the mosquito
ttlsfal ana the Anopheles mosquito In
&steular Dr. Smith says;
"a consideration Of the large number of
w which occur In most localities 1t
ala mat there are not loss than $50
&aeS mat have been determined In the
W world 1t Is, Of course. problem Of
"A greatest importance to ind out which
w cause malaria and which do not. .
sowing thls problem perhaps no one has
" more than q certain Italian zooloeist.
~; Who studied the distribution OF the |
H,44unlloes In Italy, lie found-and his
eas since that time been confirmed
q me TWO great genera Of mos lutoas /
III w commonly found in various local.. |
IA nunU and AnophecS, Anopheles is the |
saa' carries malarial parasites. BY |
a Mns careful comparative studies with |
s s.na Sulex and by allowing patients To .
s,sng by Anopheles, he reached the con !
wn lnat the genus Apopheles is the |
ru nh transmits human malaria. and |
eal ,., mas nothing to do with it, From |
pGslllon Koch disscnted several Years |
Snen ne studied the disease In Italy. /
~ ae ,la aimed that pruTibly also some |
" ~ eniex transmit the disease. But
uc. aware of any further statement |
~ apon the subject, and I think We |
IL eontented with these statements |
h.