The daily Cairo bulletin. (Cairo, Ill.) 1878-1???, 1882-12-13
Scientific Notes.

pUlbnblHO NOUtS
Croatian bread, recommended for use
In time of famine, is prepared by bak-
ing mixture of corn, maize and beech
wood flour, the latter being soaked in
water.
NJ Duet maintains that the forces Of
induction developed in bodies by the sun
through its rotation vary, all other things
being equal, in inverse ratio to the
square of the distance.
Sheffield, Eng, is about to endeavor
to secure from Parliament, through the
corporation, full power TO light the
streets, public buildings and private
residences with electricity,
1t is estimated that the annual iron
production of the world is 10, 4S7, 6l0
tons, and of this Great Britain, the Unit
ed States, Germany, and France contri-
butte Ss.4 per cent. first two 64.S
per cent.
One of the muniticent patrons of sci
ence, Mr., Thomas Coates, of Ferguslie,
Scotland, has just presented the Paisley
Philosophical Institute with an observa-
tory on Oakshaw Hill worth about $50.
600.
OF the 140, 900 known species of plants
NJ de Candole finds that mankind
makes use of only about 800 at most. He
states also that the cherry was known
both in Greece and Italy long before the
time of Lucullus.
Fusel oil is always obtained during the
distillation of ethyl alcohol, but, says NJ
Maerker, the extent to which it occurs
is dependent on the crude material EN-.
ployed, on the treatment of that materi-
al, and on the yeast.
Frozen meat trade between Australia
and Great Britain is making decided
progress. One curious fact is to be
noted. While Australian meat is sold at
profit in London at 6ld, prime joints
in Melbourne cannot be had less than Sd
pound.
Denmark has been provided with the
first of several heavy guns which had
been ordered from Herr Krupp, of Es.
sen, The one finished and delivered is
30 it 8 inches long, 4 # 5 inches diane.
tor at breech, and weighs So tons. The
carriage alone is 26 tons.
The Swedish journals are urging
with much enthusiasm the propriety OF
forwarding a subscription towards the
Darwin memorial, They say that
Great Britain does not want money as
such, but as an indication of deserv-
ed tribute to one of the most original
thinkers and eminent scientists of the
time.
The blood of crabs and other crusta-
ceans has been proved by M. Frederick
TO have the same saline constitution and
the same strong and bitter taste rs the
waters they inhabit. But the blood of
sea fishes is very different 1t has not
the same constitution as the water, and
thus shows marked superiority over
that of crabs.
Portland cement has for its principal
constituent and most active agent in its
setting, calcic silicate. This, by contact
with wator, produces among other com
pounds, a substance, the composition OF
which has not Yet been ascertained,
which crystallizes in heXagonal plates
and plays a chief part in the hardening
of the cement.
Nanadium has been detected by NJ.
G. Wilt and T. Osmond in many ores
of iron. They have noticed that the
vanadium- bearing sagS, sSnply treated
with hydrochloric acid, are successfully
used in printing of calicoes instead Of
pure vanadium salts and it appears that
the foreign substances present do not
give rise to any Inconvenience.
Near Poitiers NJ. Lisch, Inspector of
Historic Monuments in France has dis
covered a Gallo-Roman town in very
exceptional state of preservation. He is
quite elated regarding the discovery and
80 far as the excavations have gone he
has good reason to be So He SAYS ut
is small Pompeii in the center of
France The town is thought to have
been built in the second century
Heated air warns the halls of the five
laboratories of the Scientific School in
Aix-la-chapelle. The temperature is
regulated by electric thermometers,
which transmit to the heater the signals
'too cold, ;" when the temperature is be-
low 626 degrees Fahrenheit and too
warm when it rises above the &C. 2 deg.