Evening star. [volume] (Washington, D.C.) 1854-1972, 1894-07-28

Ties at a time
Thousands of baciiiary germs of all spe-
cies are being grown by DIR. Smith, who
Keeps g. large Ice chest fun of test tubes,
containing jelly formed by boiling beef
prom. milk, potatoes and gelatine into
wnicn the germs are inserted on a fine plati-
sui wire; In this substance they grow and
sprout with the same vigor exercised in
-tne organs or life. Sections Of their almost
Invisible forms are mounted as microscopic
specimens ana recorded in q catalogue from
which any known disease may be Examined
IN the embryo. In the cellar Underneath
me laboratory Is confined In cages a men.
aserie OF small animals upon which the
new meoieines Of the department are tried,
as weE as the diseased germs transpianted
from others Just now the tuberculosis
germs are being injected into most OF these
innocent creatures. which apparently enjoy
.me' 3 9oomeo nves In one cage a guinea
pig Is injected with the early staxes OF CON-
sumption. which is beginning 70 appear in
the swollen glands of his neck Several
other little animals OF the same species
are suffering In different STAGES of the dis-
ease. while others have Just undergone the
application Of the slow death. When milk
- tnought to be consumptive. II Is applied
IA TINS way to small animals. which dis
play the severity OF the germ by the length
OF their lives Rabbits and guinea-pirs are
tne popular agents. being the most easily
obtained and handled. They die within
a., pe 81; OF from one TO three months after
,ne injection OF the disease. rarely lasting
tonser me same wasting away noticed
IN consumptive persons carries them step
ny step. with no agony even at the end
study of the Parasites.
Inc second division of the laboratory de-
voted 70 animal parasites is furnished
with specimens by the meat inspectors and
special agents throughout the country, who,
Immediately on finding a rare case of para
sltcaI disease, express sections of the ami
mas 10 The department. The parasite diff
9,. rom me bacillus. Inasmuch as il is
amass an animal. usually a small worm.
sScn as Inc tr1china- The parasites a
ciass OF men who were inflicted with the
naDlt OF sponging on their friends, saving
.neH BOARD bills by eating at the tables OF
The Roman mobiles. are respons ible for the
Derivation of this name which il snnliaa
10 the lowest order of animals. DR. Has
san VINO oftciates in this department Of
s ene ,aoViatory. says the old adage about a
nea "ithin nea, and so on, ad lnfnituu
noIds good also with the parasite which
differs IN size from invisible speck 10 a
tape worm many yards long. Small worms
are Iound within others, and these ami
malculae have each a series gnawinp al
their 1nnards." The doctor has a card
catalogue containing numbers far into the
thousands. each of which has a correspond
ing potue hied away in a tremendous series
OF racks. containing preserved specimens of
every style of worm found by the In
spectors He not only works with worms
OF the present generation. but traces their
ascestrles back several hundreds of years
ior Tie purpose of learning their present
kinship. When this large family tree is
completed there will still be millions of IN.
known worms.
The trichina is the feature OF this dirt.
sion, just as the con sumption plant A in
the other Under the microscope the tri-
emma resembles small snake coiled in
tne noers OF the flesh tissues. He is really
about the size of a pin point when he is
thus coiled, but does damage inversely I'm
proportion 10 his size. Two large spots
appear on his head. resembling eyes but
f..
ike the fishes in the caves. not being re-
CURED to see-he merely eats A thorough
heating OF meat, however. always ends his
existence, In the premature stlte he Sc
found in the flesh Of an animal NOT rnat,r-
ing until he reaches the fntestines of the
unfortunate eater of the meat
Parasites fn All Animals.
This laboratory not only has the task Of
determining the nature of aninaiculae sp-
pearing in beasts. but is often given speci.
mems from human anatomy. A few DAYS
ago three small lizards, or chameleons yers
sent in by an Oregon farmer who Wrote ~
inquire what kind of disease was signtfied
by their appearance. The doctor replied
that they were sure indication of delirium
remens One of the departments agents
recently contributed the liver of a BLACK
snake, which was found to contain a nest
OF small worms. A species of leech il
sometimes found In the livers OF larger ami
mails. almost Identical with the leech which
preys upon the exterior skin. A porpoise
recently washed mp on the coast was found
TO contain 5000 parasites which are strung
upon cord in the laboratory for misbe-
levers to count. A dogs liver was found
TO contain an animal which resembles
nothing but small India rubber balloon
about two inches in diameter. Just as all
men are liars. the doctor says all animals
contain parasites
Connected with the laboratory there is a
pest-mortem room. where thousands OF
creatures, from rattlesnakes TO mosquitoes
have been laid out and open, never failing
10 add to the collection of animal germs.
interesting specimens of the germs, after
t"es nave been detected with the micro
scope are put through a microphone, which
Is meat chopper with razor blades This
shaVes OH sections of the parasites which
are aftcrwari colored and mounted upon
glass FOR microscopic specimens.
The tick" which causes Texas fever by
travelling under. the hides OF various ami
mails. is represented here in an excellent
fashion. These bloodsucle.s appear to have
been created in special sizes for boring into
the pores % all members of the animal
kingdom. A long row OF these. arranged in
series, beginning with one entirely out O.
sishI extends several inches and shows
now TINS plague grows.
The Texas Cattle Fever.
Next TO tuberculosis. Texas or southern
cattle fever is giving the doctors in the
geological laboratory the greatest anxiety.
since the close Of the war this disease has
caused the deaths of many thousand heads
OF cattle in the south. and up to a few
years ago. when the tick was discovered C
be the cause Of the contagion, not even thu
most learned specialists were able 10 dag.
nose It's symptoms. The popularity Of the
disease Is that when southern cattle ara
Drought into northern pastures. although
not injected themselves. they usually carry
the disease with them and spread Il in wide
territories When northern cattle have
been brought south. although not near any
OF the native herds. they catch the fever
from the grass in the fields. in which the
tick abounds The Agricultural Depart
ment. through the foresight of DR. salmon,
mas issued maps to it's inspectors. showing
the boundary line OF the disease. All cattle
brought from regions south OF this bound
airy are ouarantined and thoroughly eN-
ahmed by the inspectors before they are
allowed TO enter stock yards for interstate
trade. and all those suspected of the fever
are returned The bureau of animal in
dustry is also indirectly alliei with the local
societies FOR the prevention of cruelty
throughout the country. ]. r. w. Jr
.