Lewiston teller. [volume] (Lewiston, North Idaho) 1878-1900, 1885-05-07
SCIENTIFIC MISCELLANY.

r 4
red spot Of the planet Jupiter is still to
be seen, although it is very faint and its
color has faded away. The total disap-
psarance Of the remarkable object which |
Jupiter has exposed to the view Of our
astronomers for several years is undoubt.
sdly near at hand.
Successful experiments 10 tea-culturc
i Soukhoum have led St. Petersburg
Docisty 70 advocate the general cultiva-
hon Of the tea-plant il the Caucasus.
The society believes that Russia might
soon compete with China and India in
supplying western countries with tea.
On OCT. IL, last, Jupiter's moons were
~ hidden by the planet for the fifth
tims n the present century.
In lecture just published, A Won
LAsaulx, well-known geologist, draws
an:singenious parallel between Ireland and
Sicily, and attempts to explain the back.
ward state Of the inhabitants Of those
two island, and the disorders Of which
they have been the theatre BY the nature
Of their geological strata, the formation
Of their coasts, aud their geographical
positions.
After repeating with water some Of
the experiments By which Prof. Tyndall
has proven that the air always contains
Aoating dust particles, Mons Marchand
assssts that really clear water does not
exist. He covered with black paper .
bottle filed with the liquid, and pierced
two holes in the paper at opposite points,
when, on looking through the holes at
The light, the minute bits Of dust were
plainly seen. This interesting expert
ment u y simple that any person may
tsst the accuracy Of Mons. Marchard's
soncluaion.
Prof. Edward Hull considers that
throughout the carly geological cpochs,
known ~ Archasan, Silurian and Car
boniferous, the sea covered North Amer
ica, tho British Isles and Western Eu-
rope, while large part d tho North Al
hntic area existed a. dry land. He urg-
= that If his conclusions prove to be we'll
grounded the doctrine Of the pcrmanency
Of oceans and continents, As tested BY the
80 Of the North Atlantic, must BE- dis
earded.
TO test the hypothesis Of Herr Keep.
pm that the increase Of tho winds force
towards midday Is due to the ascending
currents occasionod BY the heating Of the
surface Of the soil. DR., Woeikof has
made comparisons Of the wind records
for morning, midday and evening At fifty
4 stations Of Russia and Siberia The re.
suits chow that 10 the northern ATTITUDES
The wind increases but slowly Is the sun
fisss shove the horizon in winter, the
\ heating Of the earth's surface being
light and The ascending current feeble.
u spring and summer the increase will
b much more, tho average vslocity d
-
ths wind beiug in soms places twice n
grsst q midday = 10 the lnorning or in
! he evening. ID southern Russia the
fierce u tho wind il noticsAbly creates,
Il tho middle Of the day even 10 winter,
owing % the greater heating Of the
stePpes il those lower attitudes.
The London International Fisheries
Exhibition Of this year has drawn attsn.
tioa = the fact thai very little i known
u he Dritish fishes ia their native ".
I'm. Such knowledge u Of great i'm
portanca from both commercial and
scientific points Of view, and il 10 there
fsss suggested that The profe Of the ex-
hibition, amounting 10 some thousands 81
pounds, b invested il seaside labora-
~ for stadyisg the marine animals Of
the British coast.
D.. George Massey, botanist Of the d.
partnent Of Agricultural, has prepared !