Rocky Ford enterprise., 1900-10-26
MALARIAL MOSQUITO
Points About the Kind That Com
municates the Disease.
Facts Ascertaiaed by scientific In.
Nestiuation which May he OF
Value TO Members of the
Human Family.


Iished that the microbes or parasites
which are found In the blood OF human
victims of so-called "mnlariai diseases
are also found in some mosquitoes.
And IL appears to have been Semon-
strated that certain stages OF the De-
yeIopment of these microbes occur out
side the human body. II Is yet to DE
proved that the mosquito affords the
only other domicile required for this
part of the parasites career. hut just
now that insect Is the only living cEen-
ture against which completely In the
crime Is proved Hence jrst now scores
of experts are devoting a great deal OF
study To the relations which exist be-
tween malaria and mosquitoes, says the
New York Tribune.
For n time this subject was cotnrii-
Gated by curious contradiction. On
the one hand. the microscope revealed
the presence of the now wrIl-khown
parasites In mosquitoes; and mos
auitocs that had been infcci-d were
made to communicate malaria TO hui
man subjects. TN the other hand. GER
tain neighborhoods which abounGcd In
MOSQUITOES were found TO he prnc-
,cally free from malaria. and thou.
sands of persons have been bitten by
such insects without suffering from
malaria. DIR. Manson and Surgeon
Major loss. two prominent british IN
s~stigaiors. at length discovered that
one kind Of mosquito was ac''NriNeon-
cern-d In the business and another
Kind was not. This. OF course. pn, the
L.. rn
has led TO n more careful observation
OF tic distinguishing marks OF mos
qui,oeA
The mosquito most abundant In
some localities Is known TO the scicn-
lists as the "cuirS pipi-ns. This
genus has now been acquitted %! any
share In tho dissemination of malaria
The parasites arc sometimes fuund In
IL. but the bite OF the cnlcS somehow
does not seem TO prodncc malaria In
human Subjrc,a That IL can and does
communicate microbes To b!rds seems
to be partially proved. Hut M far as
men and women are concerned. moth
Ing more than the ordinary and we'll
known consequences OF mosquito
bite IL to be expected from the cuicS.
chief. SO far ~ Is known Mt present.
Is the anophc!cs pronounced 'an-oT.
--iry.." with the accent on the second
syiiabic). And II IL very desirable 20
tell them apart Eventually II may
prove tina; III, suppression oi the
anophcirs will rid n region OF mAlnfia:
but " tina; were true Il would bc fool
ish TO waste time. money and energy
In fighting the culcS.
In a recent address In this city DIR.
l.. u. Howard. chief cn;omologis; of'hc
agricultural department In Washing
ton. pointed out several, differences be-
tween the two. First. as TO their wings.
Thosr Of the culcS are practically with
ont amy color markings. Those OF the
nnophclcs bear dark. irregular patches,
which are rot 80 well defined rs thos.
OF butterfly. ou; which arc easily
recognized u the two insects arc
placed side by side. Then there arc
their fcc!crs. or 'palpi." These are two
In number and stick out forward from
the head. one on each side of the pro.
boscis. Those of the culcx are shor,
and insignificant. while the paipi of the
anophclcs are nearly Ms long rs the
proboscis, Thirdly. the two mosquitoes
have different way os resting on the
wall of n room when quiet The body
of the culcS is parallel with the wall.
whereas that of the nnophcl.s sticks
out at an angle. II he Is on the ceiling
his, body will seem TO stick out n, 4
RICH, angle. The hum Of the culcS Ia a
little shrillCr than the note of the
anuphclcs. The difference In pitch il
about equal TO four tones Of the must.
cal scale. Finally. {; appears that til,
anophelcS Is chiefly active At nigh, and
Is given TO rcposc by day. Other roin,,
of dissimilnri;y have been observed In !
the eggs. larvae and pupac. But these I
need not be dwclt on here. II. would
require an expert to detect them. The /
means already described. and csprcinI. /
~ the first three. will be found tn.
reaticst and mos; convenient for dis. |
tinEuithing the two insects. And n
study of mosquitoes from this point of
view is likely to prove II fascinating
and profitable pursuit TO n good MANY
young people this summer.