New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1873-08-18
MEDICAL AND SURGICAL NOTES.


TIE HEART AND BRAIS.-ln recent lecture
sy DR. VIM Rutherford, before the Royal INSTITUTION
louaop ,he causes which intervals throw the heart
into contraction we're explained on the ground that
yerve force is being continually generated within the
nerve cells and that this force discharges itself and 10
sn,annt az tension. He also stated that the hearts
motions though not dependent upon the BRAN; ar
wish the brain branch OF vsgus nerve resIaos
the hearts action. while branch OF the symps weys
nerve aecelerates the latter nerve beilg not
an action, while the former appears TO be gener"y 60
DIsINFECTANTs-Herr Eckstein OF vienna
strongly recommends chloride Of lime as the 0"oAI
and best Of all disinfectants His experiments W."
various substances used for TINS purpose ' -
curious results Thus, two pounds OF suipn"'e ,,,
issolyed In water aud poured into saucer a, rss no
Grated suphuretted hydrogen, ana aSer ,inbata of
Sr PpcSaTed in the same manner two pounds OF
crystals green vtrio retained IVA nnr and oarboe
~ mixture OF sulphates of iron ana SSppo no"ating
acd lasted two days suphnrous aSu Mas nd mo
and ceased to act in ono os SsS the bad gases that
TrOceeded from the sewer -
FxpERNFNTs WITH NICoTINE.-The Central
elan gives detailed account Of Dr. Emile HeuoefseA
peumens with nicotine. DR. H. asserts mat hico'iho
ithont doubt contained tobacco smoke-ts presence
can be proved as we'll by chemical analysis as by phys
olos,oal experiment that during slow combustion the
nicotine to be constantly found in the SMOKE aQuan
uy The akaIod varying as the tobacco OK Sis U
nne saws DE- Heubel, exists tobacco smoke-tor the
II "a
fbc fact that spite OF It's volatility ana easy
souby. during the process OF smOnug ~ no III Sis
,ntIrey or even for the part dssipated OF as
solved appears have its solution IN the crcustanSe
thai IN tobacco smoke well as IN tobacco oaVes 9
nicotine exists, not as lIee 1iAa'O"' Wv nv
of NICOTINE.
IMPROVED MEDIUM OF ARTIFICIAL LIGHT FOR
IuE EYEs-The painful effect OF some OF the most us"ai
Kinds of upon the eye is well knowneVeh
many W hose natural vision Is quite unimpared. luis IS
attributed 10y Investigators TO the great proper
to, Of really nonuinnous rays, or rays OF mere oorc
Aearing no Illumination which it contains 1t rs cameo
20 be demonstrated, by accurate analysis 'nat Id sun
hight there are q per Of such rays IN gasheht nearly
90 IN electric light 80 and IN Kerosene gn 40 s 49,
q Wtbont youching for correctness OF these
figures the announcement lately made IS worm TePe
nesses 10 have discovered that by passing any kind
81 artificial light through thin layer OF suin OF iin nina
these esiorr RAYS absorbed whlle the lln
power the true ght-raysis undlminshed ana peoouo
exceedingly mild and pleasant to the eye
LEAD IN DRINKING WATERs.-Prof. PattlsOn
has read before the Glasgow Philosophical Society
paper on Of dilute saline solutions upon lead
wherein he shows that the presence of small quantities
Of suiphate carbOnates and chordes tends TO dmhsh
the action excited by very pure water like rain water
or the more violent action OF water containing Mraes
OF the latter he finds that ammonium nitrate is the most
Seyc hu his researches show that the retardng IN
ducnee of the mingled dilute solutions OF the otner
classes of salts named great that even the presence
of tis most active re-agen sufficient to cause
much danger ordinary drinking water In whlch souie
He onclndes that the quantity OF lead taken INTO the
system, through the NehcIes Oh poIAoie "a"oiS
is extremely small. -
WUOOPING CoUGH IN ITS LAST STAGE.-A
writer in The Medical Journal London states that IN
eases of whoOpng cough in the last stage-that u.s. AFTER
the third weekhe has had ounce OF the strongest
bquid ammonia put into gallon OF water IN an open
pan and the steam kept up by means oil half orlcA
made red hot throughout put the boiling water
containing the ammonia. the pan being placed IN the
middle OF into which the patients were brought
a. .aS es IN e evening" lust before bed time
and il proved efcacions IN abatng the spasDono
attack and after three four days terminating the
naady, TO establish beyond doubt the great yaHe
of this mode OF inhaling ammonia. as h b
tranQuizing the nervous system ID the "noop
tDg cough.
MERcURIAL POISONING IN DENTIsTRY.-SOme
statements having become current, asserting the ooec
tOnabeness OF using the red suphide OF mercury Tor
artificial gums OF its producing salvation,
M experienced dentist writes to The American Chemist
IN refutatop Of such idea He that not only is
the sulphde Of mercury very insolube even in con-
eenrrated acids and not attacked By alkaline fluids but
ID. Of gums, each particle is as i were, sur
protect IL from being acted upon-i such proeeu1n
were necessary The writer states tina, ne mas mace
care protect the wOrkmen from the enects OF the
ercnrv itself hut without being able prevent them
fnhang the husband yet without the first case
Of mereura poisoning having made lts appearance the
same wOrkmen having been employed for years. and all
enjoying good health
DANGEROUS CoSMETICs.-ln apaperread to the
Academy of Medlclne, Necessity vi
preyenting perfumers from selling poisonous danger
ous articles which be left exclusively TO the
epopsity Of regular chemists, and not sold without
phrscian's prescription. Arsenic the acid nitrate Of
n fcnry, tartar emete. canthardes, eolchicum, and
potassa caustica, are common ingredients in these
cosInefcs The sOcaed lettuce soap does not contain
slightest trace Of lettuce; and TINS and other soaps
are the sesquOXde OF chromium or OF rose
rolor BY the Suphuret of mercury, known yermhOn
Tie cheaper soaps contain thirty per cent OF lnsOuDe
as me or plaster while others contain animal
matter which, having process
NJ sapOuifcaOu emts had OdOr when It's solution Is
left exposed the air. The various toilette vnegals
declared in this paper 10 be so ar noxlous mat
being applied the skin still mpregnated with soap
give a decomposition, IN cOnse-
Quenee which, fatty acids OF soap being insOuoe
in water, moi removed by washing, become rancid
and cause chronic Inflammation OF the SKID.
EFFECT OF FRESH PAINT EMANATIONS-ln-
yesgations OF very interesting character, made by
m expetienced house painter in Paris TO ascertain
whether carnations from .certain paints containing
snch substances as white lead zinc white linseed oil
essence Of turpentine, coal oil, &c. injurious 10
health show some noteworthy results. He caused the
fusdes of some boxes TO be painted and within them he
laeed wire cages containing rabbits, which not
An contact with the paint, but only subject TO the
fnanence OF the emanatOns from IT, The rabbits sui
fered while the paint fresh especially when II con-
taiued coal OIL but of them died. Living In apart
snents RECENTLY painted and which emit the odor Of oil
not, therefore, permanently injurious
10 health other made for the purpose
fresh panTings of houses Instead OF rabbits. plates
a small quantity OF water were placed IN the
Roxes and after the water had evaperated from the
mates there were found some remarkable crystalliza
Sions ike needles consisting OF combinations In Mncn
the oils employed formed the principal part: These
ervs,aIline were obtained even when ln