Urbana union. [volume] (Urbana, Ohio) 1862-1872, 1870-03-02
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researches in Copenhagen. The lake
villages in Switzerland, on the other
hand, show that agriculture and the
pastoral life flOurished while the metals
were still unknown, and that the intro
ductiOn of them was connected with
barter and trade. We are acquainted
at present with a number of DrimevaI
manufacturing localities, and of the
commercial routes which were llsed f1
the rudest times 10 can be shown.
moreover, that our civilization came not
| from Asia, but from Africa; and Heer
has proved that the civilized plants I'm
the swiss lake villages are Of African,
ana TO a great extent, Egyptian origin.
8: Inc cOypOTedt deUelOpHlel5t Of man,
and the different families, kinds. aud
races Of men, have been less investiga-
| ted than the corresponding divisions of
the ape type. In many places the skulls
/ discovered have been few; but less than
a year ago a cemetery of more than forty
I human skulls and skeletons, belonging
/ to the reindeer period" :" was discovered
near SOlutri, in France. We, therefore,
now have considerable material for ar
Fiaing atc0nclusiOnsr respectingpr primeyal
men of this period. There can be no
doubt that man approaches more nearly
in bodily conformation to the animal,
and especially his nearest relative the
ape, the lower his stage Of culture. AS
time goes on these characteristics gradu-
ally vanish; the forehead becomes more
upright, the skull higher and more dome
shaped, and the projecting cOuntenanee
gradually Feeodes under the skull.
These changes are the result Of mans
conflict with his circumstances, and Of
mental labor which that conflict entails
~ ANTHRACITE COAL.
- -l.ErH .rrle.H
Hs Cclpaei5fto EUOlus Deadly F0isous
ee IN Combustion. 90
Anthracite coal as a domestic fuel,
only came into general use about forty
years ago. Its heating power and econ
OmY of labor have caused it to become
popular. Many persons, however, ind
its effects 50 injurious that they are com
PEELED to renOunce its use. Tt frequent-
" produces difficult respiration. a Decu-
liar headache, as if the head was COM
pressed by band, a languor. dizziness,
and confusion Of ideas-symptOns not
unlike those of narcotic pOisOns. VaEi-
Gus reasons have been assigned for these
effects of anthracite, not merely Of deli
cate persons, but on most persons una
custOmed TO it-fOreiensrs for Instance.
Some have supposed that they arise from
the difficulty Of so FegulsSingan authra-
cite fire as not to overhead the room
which is fact, but INADEQUATE to exc
plain the symtoms Of bers, that they
were due to the dFyness Of the air, caus-
ed by the combustion OF anthracite
which is not a fact, and, If it were,
would have no special bad effect. The
true reason Of the misChisVOus influences
Of anthracite on the human constitution
is, that its combustion unless complete,
(which very seldom can be, owing to
the great density Of cGrbOnic OEid6 Gas,
which is an dctiUg D0i8OH, as the testi-
mOny Of all chemists, without exception
shows. When anthracite is burned IN
open CRATES a considerable portion Of
this gas passes Of by the hues; other
wise the effect would be immediate;
but that q sumeient quantity 10 do
harm escapes into the room Is shown by
the peculiar smell Of the sulphurOus acid
gas found in combination with it. In
use of east iron stoves and furnaces. the
escape Of gas is worse. They are made
in pieces which no fastening can pre-
ventfFOn1 separating with the eEpansi0n
or the contraction of the metal.
Butj besides this it has recently been
discovered IN France and confirm
ed By experiments in England, that the
gas passes directly through heated cast
iron. a ri It--r-r naa
The subject has been Thoroughly inves-
tigated by Doctor Derby, hygienie lee-
turer of Harvard University, and he ar
rives at the conclusion that anthracite
can only be used with safety either as a
means Of supplying heat to water-pipes
"a very elaborate.and expensive mode
-or by burning it i'm a large tUrOuqliE-
iron, steanl-tight stove and the safety
in this latter case is rather more proba-
bic than certain, The force Of habit en-
ables many persons to breathe the poi
sOnOus atmosphere generated BY the
cOnsumDtion Of anthracite; butit grad
ually affects the brain, the nervous sys-
tenn and Indirectly the stomach. tits
probably that many Of the evils attribu-
ted to q moderate use Of tobacco are Ell
ther caused or aggravated by anthracite,
the combustion Of which, as we have
stated, evolves a narcotic poison, or 8
poison whose effects resemble those Of
a..