The times dispatch. [volume] (Richmond, Va.) 1903-1914, 1912-07-14

COLONEL W. {. GoRGAs. Il
the mnn whose work mny revoiutionize
the tropical world. II
side or quiet pools. Tho stesomyiay II
or yellow fever mosquito. is more fondjI
OF the towns and tho ciues. j. oreed4l
IN citterns rain barrels. old cans tiicd;I
WIN water and stasnan, pools u I'll
not nearly SO large as the jerscy mos-fi
quito. and rs grayish white with zeoiasI
stripes about MS body and less
Both the steeomyia and th@I
anophele have ABOUT the same habi, \!
as to reproducing their young TaessI
feed upon vegetable matter. but ,na!
females when they axe about 10 nreefsj
must have blood ana for that reascf
they attack man They also nave ttS;I
n 10 bitat for the yellow fever and ma 4
larial parasites anu u they ieea uporkl
man who has malaria or the yelioHt|
fever they take these parasites nitt
their system The parasites arc 50
small YOU cannot see them witn asl
microscope. but we Know that tncst|
exist and that they multiply so rap dlsf1
/ that they finally come into the saiFni]
OF the mosquito " men the f1rsqul'o II
sites. bites man second !ne shcs
iinjects some 90 thls saliva ccrtalu.He 81
;he. PARASITES and tnis gives man tnsi
yellow fever OF malaria
Il, u.s. however the anophele orlyk
that transmits malaria. ana tie ste
gomyla only that gives ycNo" fevert
, There is no such thing as men havirF5
/ either ~ these diseases u he Us nof
/ bitten hy these mosquitoes"
Yellow Fever Not contaEios-.
But how do YOU Know that Golonss
/ Ciorgasl" asked
II has been proved by many eNs
pcriments The fact that the malsria 5
discovered nr an English army s1r
geon. Ronald Ross and. as yon ma y
the campagna Just outside Rome. whlcis
proved there was no danger az dis
ease IN that fever stricken district u
ware no, bitten by snosqa.,oss Thf
fact that the yellow fever mos1uliti
would transmit the yellow fever wl9
discovered by board q dtoy doc
monte and Lazcar. a Havana u wa,3
ithc!r discovery that enabled us TO w'lp,i
the yellow fever ont OF the Island o
cuba and later ON 10 clean up tna
Isthmua Thcs. doctors made expert
monts which showed Thar yellow feNe
could no; De taken unless man Ne',
bitten by yellow fever mosQuito'
They had men sleep IN beds IN wh'ctl
esvan bed mem Covered Win the hiaal'
! NomIt OF a yellow fever patlen. and
to he cxposcd to tho examinations fron'
yellow fever. hGt none caught thc dis
ease until M was actually bitten by Z.
yeuow fever mosquito Which was ~,
the condition 20 transmit the diseased
. THAT story is too long TO toll now I
continued Colonel Gorgas. Those DIS
/. history as among the great events
Of III. world. and the American doctora
at Havana VINO perrnlttcd iEemselvsi
! to be bitten by yellow fever mosqultoea
and thereby TOOK tho favor that then
might make these Investigations de
. serve to be ranked among the great
cst OF our heroes OF them. pr Lhzeaf
died. pr. Carroll took tho disease bu
recovered DR. Reed was absent a
p iio,, the Zone L. Kept ficnlthy.
Tell me in a few words now YOU
t keen out the mosquitoes, Colonel Cor
t "our first wArk here was to clear
r. lup Panama and Colon, and especial,
: all places on the zone within 200 yard,
= cities To get rid OF the yellow fever
:. and we have drained all places abou.
/ the settlements and kept down tho
n vegetation to fight the malaria. II
G some places our drains are made o
e concrete and I'm others they are opei
bitches which must be kent free froD
grass We have also suhso!l drama sc
We have taken away the brcedins
q away We nave a MOSQUITO brigade
~ which Is devoted 10 this business. W,
have also housed our men in mosquito
8 proof quarters. Thcir homes are COY
. cred with woven wire in such wa,
: that they practically sleep out Of door
: safe from all insects. In addition q
= our drainage system, we sprinkle al
:, drain with crude petroleum to dc
u stroy the larvae or young of tn
mosquitoes The larvae are the lit
tie wrieglers you have seen in rail-
mosquito. II YOU Will imagine the mos
. qultoes frogs. They are air hreathers
o and must come to the top of the waite
e every few moments to got air. The,