New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1874-02-16
MEDICAL AND SURGICAL NOTES.

PorsoSoUs MISUNDERSTANDING the
poisonous nature of arsenic IL is still used IN immense
quantities, In the production OF green coorng pigments
Into one OF t enters the arsenite OF copper
known popularity scheeles green and into another as
the acetOarsenite OF cepper which is called schwenu'
green OF these two colors the first contains 50 per cent,
than onehalf, OF white arsenic; Tue otner ia
hundred grans contains OF arsenic na
attractive, and not costly, are Dlch nseu'
BRAIN DEvELOPMENT.-ln a long discussion
published IN the Rerue Sc,enrque, NJ Broca takes the
ground that education is reflected In brain develop
ment He claims to have demonstrated that CULTIVATION
Of the mind and the exercise OF intellectual labor aug
ment the volume of the BRAIN and that the increase Is
principally upon the frontal obes These latter, says
NJ Broca are seat Of the most elevated faculties OF
the intelligence, and their high cultivation rennerS ~
man superior himself. 1t were, By increasing 'he
volume aud perfecting the forms OF the brain
SENSATION OF HEAT IN THE LUNGs.-The feel
inc OF heat I'm the lungs on cold frosty daya sensation
not experienced in warmer weather, ana WHICH Ar 'Ho
very OF what might expected from the greater
cOdness OF the inspired airs probably famiar 10 an
Dr. Brownsequard suggests that the explanation may
be that the lower the temperature OF the inhaled oxgen
the greater will be the amount absorbed according 10
well known law OF physics ana hence posSoi,, h IN
hetng larger ABSORPTION OF oxygen, there may oe IN
oxidation and increased heat aeeordng aHe
some connection with the sensation III the lungs
AspBYxIA by ILLUMINATING CASA writer
IN H., gazette describes the symptoms OF asphyxa by
Illuminating gas-enumeratng among these discomfort
inclination to vomit, eonvulsive movements OF tue
MUSCLES especially those OF the breast icod sXln ana
irregular pulse and breathing. The remedies ne recon-
mends are exposure free air even II cold irritation
Of the skin by vinegar and the palms OF the hands
soes OF the feet and the spine with stih har-brush
and blowing air into the lungs. when CONSCIOUSNESS
advised place the patient IN a heateh
bed In with the windows op'n at the same tlme
administering a few spoonfdls OF Malaga, Madeira, or
sherry WINE xture OF tartar emetic ana HOHinans
lquor Favored with h0ney-water ana 0range-no"er
srup spoken Of eicacous after the return OF con-
seriousness.
EARTH EATING.-The fact has long been
known that In the neighDorhood Of village in Lapand
situate at the mouth OF the River P0no, and bearing
that name, on the northwestern coast OF the White
Sea- and the peninsula OF Koa there Is founda KIND OF
light, whitish dust somewhat similar to tale, which ID
gathered by people of that district and used "a food
This earth, according TO The Bulletin OF The Imperial
Academy Of ST. Petersburg, forms an important stratum
from two to three thick under the sand and clay OF
the River Atsche Pyeka which falls into tue Whlte sea,
near the Pono The earth IT, ia fact finely puiverzed
sicate of potash which comes, no doubt, from the
debris OF a srhistose bed which melted snow rain
water brings down the valley and deposits In LAYERS.
like CHINA clay 1t not used by ITSELF but Is mixed
with Ordinary -four and made into bread. ANALYSIS
shows however that this substance, as an article OF
human food possesses nuritye qhaty Whatever, as
il does not contain any element which can DC asslmated
by ne