, 1877-02-24

ISSE.AT I.ARV1E IN THE HUMAN
t{1DN.

INSEAr LARvE IN THE HUMAN
BODY.
A curious account OF tue OCCURRENCE Of tho
lnry;p Of t'lc Iotdy ttEstrtda} fl tho cellular
ttet!ltranu Of tho human body WINS presented to
tho Detroit meeting of the American Association
for tho Advancement Of seioneo, by Dr., Charles
II. ALEU-, Ut Chicago. Tho victim atsackcl by
tho pasasite was q boy 10 gears OF pge, who hull
spe1lt tho summer of 1871 at Charlottesville, in
Frince EdHards Island, and wLea there had
bccn in tho habit Of bath!n. In 4 poud in q pas
turo where large number of cattle were Graz.
ing. While Ills body was exposed during bath-
Ing tho species Of Dot-Gy whicl, tutcsts cattlc Ia
supposed to haye deposited her eggs bepcath
tho skin.
In Marcls, 1872, Dr. Allen was called TO intend
tbs boy, who had grown fccblc and thin, md
was suffering from restless nights, occaslonet by
'scnsatlons Of pricklng, crawling, and bitiuU,'
switch had been iuteuslfed during tho
previous tcn days, TIN examination VI
tho parts thus affected, h, ycllowish
l!ue was observed, extending from tic
left to tho right sido of the front body,
while less dtsttnct llne extended up tha right
trout chest to tic right sut-muxftfary gland,
over which tho cellular tissue WIS puffed out.
Above and behind the right ear was a swelling
tue slxe Ut two peas laid side by SIDE. Ito buy
affirmed that the itching sensations lad followed
the exact eourae defined by the lines. and tor
1ntnatIng III tho swelling. On opening tho little
tunor, Il lsght-yellow serum flowed from tho
wuunL, and ly pressure larya wa4 forced out.
Two days later a SECOND larga waa taken from u
similar swelling which ha! developed ut point
directly oyer l,e spino, aud an Inch or Two below
K day Or Two after, a third tumor, marking
It's presence oy Irritating sensatous, was found
On the top Of tho hea4t. The t,ar was cut over
It. but, thu inr!slon hcinE delayed, tho swelling
WAS found ou ths follow ing day to have noyeti
fronl It. Some ,.days further on, tho boy
suffered unusually severu Irritation In tho
left wrst, where q fourth swelling was visible.
The ineislon was lostp1nesl until the ncxt day,
ut Ill curly huur ~ tho morpius, to reticye t4a
misery of the child, tlle lancet was brought ttltu
IaIuisision. Tue swelling VIE now gone FROM
etbuw betrayed tf,e whereabouts Ut tho iasya,
which was thus dragged forth to tho light.
Two pf tue laryW were aent 10 Dr,'llaIen, Of
harvard University, who dec'arcdt them TO RRrrs
with tic figures ana descriptions EIycis by Dr.
l.rauer. Ut Vienna. Of tlle nrst laryal sause;af
European species Ut this Bot-dy named Hyro-
dtrma Utaa4s. Ii!e other two 1asyw were SAINT
opinion of Dr, Hageu that they belonged u the
stage Of lsrya! life.
III snswes to va Inquiry Of q prominent physl-
eluu ~ FFioct FuHhFAt {6+3@'4a ~ &tEe1 t4!lI-
I'd ttat two eases Of patients suffering frum tho
attark Ut the bot-6y had been satu9 years aXo
reported In tAe Island, but neither of tl.v1H bud
tcerl observed by medleal mcn: In Tropteal
A,ntEeA tIstAingx Of SPEECHES u not-6y luytng
ita sggs urde! tils skin ot uan haVc bean fra-
qucnt!y t3ttal.
4 question OF peculiar Intcrest attaching 10
the easc observed III Chicago relates to thspoMer
u motion possessed by lhc iasyW Of fEstridts.
VI the three Kroupx-the aastrieel<, 4ntl eavtrue.
aud the Observation-Disclosures tue Eatriats are
divided, the laryte Ut the hret Two nro knnWn to
move ih the carly stages u tler existence; hut
entomologists h1to hrEctofore aaseyted
that tho larym of Tbs third group, to
Vlaes. tho NyNatr'1a Di1m belongs, hays
6taures exhibited tn the case under discussion
show without doubt tint thu larym VI The
Sut<afic4lts move wlcn disturbed, aud may
wander ycEY fur through the cel1u1ur tissue.
The tiTst larya Lau travelled dtstaace Ut thirty
iuchcs, aud the fourth ut least slx tches. II II
rculaTkea by DR.. Alien that, "After these }arvs,
had cotnneurcd lo<otnotton they niay naturally
tliefr respiratory apparatus ts situated tn thv
hud pIt of the tks!y, aud tie lucid spot %
fbe top Vt the swelling II evidently Lhe eharnel
through Whlch tho AiF may cutter lle respiratory
organs"
MUSICAL MOTHS .ASn uUrrEn-
FLIES.
lir. +. Buchanan WLite contributes to Naivr,
tav following ltat VI tle species VI Ltpilylttra
whEh ate kH0wA to produce kuuuls: First ArC
uoicd svyeral species IT Fune4.4.. which produce
kounl that Ia something ltko that trvated by
tbs ffletion u sanl-paptr. The apparatus xiti
whieh the uoise h made ID thus described: "Ou
tbs under &uFfase of tAr u{tEek wing uut Ut tx