Daily Republican., 1885-10-17
sCIENT IFlC.

Witt states that the proportion u
ozone In the atmosphere of Paris last
year was IN inverse ratio to the mortal
ity from cholera.
An account is given, on the authority
OF DR. Hoffman, OF Washington, IN the
European ARCHAEOLOGICAL journals Of a
curious relic found IN SJuth Carolina.
Foe relic is supposed to be a c ise wi ich
contained the coloripg matter and i'm.
plements that had been employed in
tattooing.
Tne Mexican Government have resol-
we'd on undertaki ng a geological survey
Of the whole Of Mexico, az far AZ practi
cable, and they have appropriated S1O,-
00) Tor the preliminary expenses. A
survey on An extensive scale cannot fail
70 have an important influence in de-
velopiug Mexican mineral resour ces.
Major Serpa Pinto has discovered
large coal fields south of the Rovume
River in Africa. The estuary of the
river Is In 10 south latitude, and along
it's banks runs the ancient caravan route
from Cape DolRado to Lake Nyassa
The coal fields were first claimed by the
Sultan of u ,nzibar, but are now taken
possession Of by the Government Of Por-
tugal.
A new casa Of fraud with preserved
food has beeen disclosed by p. Carries,
tho Journal de Pharm acie ct de Chemist.
A sample Of preserved tomatoes when
Ok sm ined differed from normal speci-
i men by containing much less dry ex.
| tract, potassium bitartrate, and tota'
phosphoric acid. The inference Ia that
the sample in quest on contained but
little tomato and was chiefly COM
posed lof carrots and pumpkins, the
whole being oolored with some aniline
dye
| M. Audreau has given an aoc)u Mt Of
1.-The prairieu of Guiana at a meeting oil
Tire s pciely of Commercial Geography
lot Paris. He dealt chiefly with the re.
suits of his journey between the Rio
Negro and the Cayenne. Behind the
enormous forests which exread inland
from the coast he found prairies entire
lily devoid of trees, and t'ers the air wa,
ldry and the climate MUD. entirely
different In the ossential conditions fol
successful COLONIES from those prevail
ing on the coast.
Paris, says M. Couche, without
having the quantity of water which
might be wished, IL of all the cities o
Europe The one where the pu tlic servic'
IL least incomplete. Nowhere else ar
dust and dirt more effectually com batet
with and the cutters more regularl.
washed out. As for the household SCR
=, vice Paris holds the first rank in re-
spect to the quality OF the water dis
tributed. The quantity per head ia les
by one fl sh than that OF London, bu
the charges are not nearly 30 great a
i those of the British metropolis.
French laborsrs who walk barefonte
: upon the asphalt pavements are subjeC
to swelling Of the limbs. This ailmen
has been attributed to tue effbct of tn
Importation by the heat Of the feet c
a small quantity OF the petroleum c
mineral oil which Is contained in tn
Iasphalt. The nerves OF the feet whic
!, overn muscular action and the COL
II traction of the blood vessels from a
iexteusive and very sensitive nervou
ipetwosk under the arch Of the fox
Iwhere the skin il al ways very thin, an
the nerves are consequently easily a
Ifccted.
u Under the slow 6ut continuous actio
of the sulphurous acid thrown in Ii
air of cities by the combustion of co.
: and the influence of the frequer
changes in the degree Of atmospher
humidity, M. g. Witt finds that tt
peroxide Of red lead u.ed In coloriu
certain placards is destroyed ami gu
lpLateti. At the same time the protoxit
Iof lead thus liberated is transforme
' into an insoluble snlphite. This "a
being easily analysed new and certa
means is thus obtained for determine
1.-THE condition of the atmosphere
large cities.
Ill The Egyptian zodiac, says Mr.. Bo
icawen, which had furnished the Frent
Arago with 30 much m
terial by which to prove the Egyptis
Isource of the zodiac, was now know
- Ito have only P .oiemaic age, and st
Halter came the zodiac discovered
lTanis, the ancient Z)aD, by Mr.. FIJI
tders Petrie. The numerous engrav'
Igems and the carved stones, especial
che valuable boundary stones, OF
more remote antiquity showed that t
IsiRns OF the zodiac az known TO us we
y known also TO the Chaldeans. 1t Is o.
ldent that from an early period The di'
vi IN of the heavens into twelve par
presided over by twelve constellation
had been In use among the Baby loniaI
NJ, The London Iron reports that HI
Sjo5erg, a Swedis engineer, has p
Idnced a new explosive which he ca
"romite," sDd with which experime'
nave just been made at the fortress.
lWaxbolm. The manufacturer clail
= that the explosive may be m anufactuI
without any elaborate machinery Il
1t cannot explode ever when CLOSE
Icoufiped, except when united, ANIL Il
lit cannot frerzs. While its strength
lyery great, the cost /, small. Tho
no. tnerImeuts were carried out with
ms lbrerchloadar discbarging shells to
tie lance of 900 yards, all the shells
v ploding with great effect thu blasti
inpsrations were entirely successful.
lunm her of engineers and military G
'rt Icers witnessed the experiments, VIII
IN were declared highly satisfactory.