Lewiston teller. [volume] (Lewiston, North Idaho) 1878-1900, 1884-05-22
SCIENTIFIC MISCELLANY.

encouraging results The dog. whose
name is Van, now selects from an assert
ment of cards one bearing the word
flood" when wishing something to eat,
asd repeats the operation until his hunger
il appeased. He shows his desire to take
a walk by picking up an ''out' card and
carrying i, to the door. A "bone'' card
and "water" card are provided, and
Van now appears to understand their pur-
pose very we'll. When he inadvertently
brings q card for something he does not
want and is shown the corresponding Oh
jet, he seizes the card, takes it back, and
fetches the right one Sir John is now
considering how he may best test the
dogs power in simple arithmetic.
Prof. G. G.. Rockwood's record OF
American earthquakes in 1888 includes
70 notices, nine Of the reports being
doubtful, and one appearing to refer to
meteoric phenomenon and net to an earth
quake. Canada furnished eight Of the
reported earthquakes; New England,
three; Atlantic States, two; Mississippi
Valley, IL; Pacific Coast, %; Mexico, one;
West Indies, four; Central America, Co.
lumbia, Venezuela and Ecuador, IL;
Peru and Chill, 10; aud two were not
counted.
BY experiments on infected hams,
Me~n. Mignon aud Touard have proven
that trichin@ may be rendered entirely
harmless BY exposure for an hour to
cold Of four degrees below zero Fahrcn-
belt.
A French astronomer remarks that
Sirius, the dog-star, which appears to us
Of . brilliant white, was described by
Horace and Cicero as red.
A meteorological observatory has been
erected by Pope Leo XIII at Carpineto-
Romano, his native city.
Recent researches indicate that on land
the winds show considerable variation
in strength at different times during the
day, being strongest during the greatest
heat, or from one to three and half hours
aftsr the sun passes the meridian. On
Tie submits Of many large mountains,
however, like Mt. Washington, the wind
, weaker in the middle Of the day than
n the morning and at night; while in the
middle Of the ocean there is scarcely any
appreciable daily variation in the wind :
force.
According to Mons. P. Gibier, rabies
can be communicated to birds, which,
however, recover spontaneously. Nam
mails inoculated from the diseased birds
die with the usual symptoms Of rabies.
Mons. f. Juny has found violet ligh,
y be favorable 70 the development Of the
egg Of various ANIMALS, while an injuri-
-, or Il least rctarding, influence is ex.
sstsd BY green and red lights.
Mr.. Hugh Browne has drawn atten-
ton to the fact that the Sutley, one OF
the great streams Of British India, is
probably the swiitest large river in the
world, having descent of 10000 feet in
$50 miles-an average Of about u fee,
per mile.
A Paris physician, Dr.. Gellc, has found
that from ~ to 70 per cent. Of school
children have imperfect powers Of hear.
ing, and that the poorer classes Of children
are especially liable 70 partial deafness,
TAss observations have led TO practical
result in France, where pupils are to b.
seated At distances from the teacher.
desk corresponding with their keennes.
Of hearing.
Mr.. james Manning states that the
black aborigiues Of Australia have gen.
sral belief in deity, all knowledge Of
whom i concealed from the women and
children.
A biography Of Louis Pasteur, jus,
completed BY his soa-ia-law, gives the
following description Of the surrounding,
Of the great French investigator at hi.
daily work: All the animals in the lab
oratory, from the lxtle white mice hid
ing under bundle Of cottonwood to the
dogs barking furiously from their iron
rallied kennels, are doomed 70 death. Thess
inhabitants Of the place, which are march
I'd out day after day to be subjected to
operations or other experiments, share
the space with still more ghastly objects,
From all parts Of France hampers arrive
containing fowls which have died Of chol.
era or some other disease. Here is an
enormous basket bound with straw; i,
contains the body Of pig which has died
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