The St. Louis Republic. [volume] (St. Louis, Mo.) 1888-1919, 1901-07-21

tered to horse will be thousandth Of 3
mnogram. or less than can be contained On
2 pin point. This will be gradually tn
until the equine subjects blood develops 8
substance which will make q man immune
from rattlesnake poisoning. or which via
blood OF the horses so treated will be drawn
on In small quantities. and the faithful an.
imals themselves will be Just as happy a. u
they may thereafter be bitten BY 100 rat.
tiers without ever suffering from the poison,
s HatSheries for Various Inseets.
sects can be applied to the flesh Of animals
will be the feature of the main floor Of the
laboratory building. These rooms WI b
teresting cases and cages where IDEAS. mos
Quitoes, flies, all kinds of gnats and 0thap
biting insects may be bred and fed on dis.
ease germs. A trained entomologtst. OF IN
sect expert. will have charge Of this De-
partment. He will make researches 70 ofo.
cover how insects carry disease. He via
study their habits to learn how they may
be exterminated. Monkeys guineapits, fa6.
bits. white mice and birds inoculated with
various ailments will be placed in cage
bugs. Uninfected animals will later b
admitted to demonstrate whether the par.
ticular disease can be communicates b
the same insects In some experimentD =
part Of the ANIMALS skin viii be shaved
and to this bare place will be clappod 8
glass test tube containing the suspected
bus.
An interesting series of mosquito-breedine
houses hatcheries and feeding cages has
n pee. devised by Doctor Rosenau. He win
he is already doing preliminary work in
this line; Each Of these. when viewed 2 few
transparent glass; with cheesecloth cover
stretched over the top. The bottom was
q tin vessel containing sand and tall 6lsdes
OF growing grass. Roasting about In theoo
could be plainly distinguished the never
biting Mr. MosquisSG With nis fsathsry
NJ. with SINGLE hairiike horn extendin9
from either side of her misunderstanding
Neh aooS eas 5H were bite e
when In the wild state, and which Mrs.. N,
deigns to gobble up when warm blood q mot
quitces not born In captivity suffer home
sickness or melancholia, often resulting in
suicide from starvation. In each breeding
whose surface were strewn numerous little
rats made OF twigs and blades Of gfaSa.
These had to be introduced because Mra.
In the mosquito hatchery will be namer.
GUS glass Jars filled with Shiny marah
water. bearing the many little boat-shaped
merts her collection Of eco eggs after each
Matching. From these were escaping hun
dreds OF minute wrigglers. vibrating through
worms. and returning every minute 10 the
surface to breathe In air through strange
little tubes in their tails A drop Of water
placed under the microscope revealed one
OF these sQuirmers. appearing. when malnlA
fled. as large and goggle-eyed AZ baby
lobster. and surrounded BY its natural food.
and there like restless swarm of gratS :
Doctor R0senaa VIII DisseGl Du9p.
The new laboratory will actually contain
nau demonstrated how he could expose 4
malarial mosquitoes saiivary glands BY "a
of a delicate little meat chopper. me
Could As sssn S Seas :
germs, were present. Doubles You donis
young mosquito Is deseopns from ies sa rse
tic to its winged state the malaria Gern
which 1t has eaten Is passing thrqu6A Q
the germs development must wait until tSe
adult mosquito has injected II into mars
blood II 1t were not eaten by the mQe.
and il it were not planted In mans Sioo1
the last period would rot Be attained =
other words. II either man or ths mosquito
germ could not grow to its dangerous Per.
The iiea will be subjected to scrupu,ous
been discovered that It transmits the hasck
plague from the rat to man. % WIN Tie
ny be put through the mill to show how 10
the mosquito viii mot escape sfter II hao
iow fever and typhoid. Tor 10 i Sas Just -
that most hideous Of al diseases. oio.
The "plssue-room" WIN b. an interesting
be isolated and screened on. Plague = -
DANGEROUS . disease that Il cannot b
worked with in q general laboratory. 4 ~
containing the germs might carry 4 away
and inject persons throughout tha capefAA
Animals used in the plague expsrimanss
prevent hea or other insect contaminAt10a
Plague cure by the ten thousands Of bot.
pes VIII be m naa e ,,,, u TIM ~,
lowed to die therein. The resulting eub.
stance, gradually applied to the blood a.
man mar win com"S ga4 2, Dsfsisl &c.
form Of plague antitoxin WIN % re- e
The first national INSTITUTION for TIE a8o
of hydrophobia will probably b one bra1e4
Of the laboratory. Hydrophobia cure ym
Viii u ns se ons room for inocaIasin9 i.Sssss
with that terrible disease. another vnG2
their spinal cords win be removed a.
f ture 81 the medicsns: third 1hers psoPis
bitten by rabid dogs may % WouenS -
New EnpIoynent fer lgs6hsys.
l Monkeys viii b favoSito animals ~
incubation experfment DocS@ x1aeeea
says they are the Only 49, 49, q
| Sc vaccinated. Just % human 'belnG1 e1As
| They readily contfacf scey1ee 1eyeIs
measles. and such ma,ameG uoess w1 49, y
toxin. for epidemic spinal u1enfn01k19 eA6
l OF new pneumonia serum Calyo w11 -
u.sa ELL r. vaccine S s,lInaso1n I'M = s,.s =
novel experiments who's aim w1l - q
!! partially communicate to man the1F Wnns
l Emrfhernora tney aro varffshlS,. GeGrxGS