New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1867-12-25
SCIENCE.

M. C,,,,,,op SroRM GLASs-Mr. c. Tom
Inson of LOndon after series OF ot acted an
pt the conclusion that me stoL ar wind or rain etc
mt soiey bv variations in temperature tudI IL $50
gSue hinu ~ and has no meteorological value whatever
TIs Tnsjfion NAV he proved by dipping piece on inter-
Ing paper tp mo cam56or ETC. the cold thus generated
SI dsterInne deposit OF crystals 10 any part OF tno
&c NAV choose 10 give the hltering paper
THE UIGHr OF MOUNT HOOP IN OREGON:.L
eutCol Williamson, u. 8. Engineers, mas la1eS he
before the California Academy Of Natural for me
results OF his observations and computations od He
purpose of ascertaining the altitude OF Hou + Ive tbe
level Of the sea y using Guyos tables in place OF new e
prepared by him, the hight was tt % Dnncated
feet This result differs widely from t' ne Pew IT. X
% the Royal Geographical society 10y & SS,o5 both
Hines and that published by PrOt Aphouso ~ A.
herf, forndoJ on me detective computations OF MrAt
kinson Of Portland, oregon, who 10y nV,IE b NIGHT az
point Of water on the summit esuma'co 'n0
t7,GlO feet. m .to,o
PERUVIAN BARK IN INDIA.-The GnGnonIa
.,ccirnla mas beeu completely naturalzed IN iuVIa
sftains hight Of IS feet three years. ana iIs f
rich I'm quinine IL thrves well only at an ,b 6ar n
1900 10 GOO feet above the level OF the sea- inc ,t
dhat grown 1dndS owf probable That the be
with advantage at an altitude OF 3oO tie trunk of the
tree be enveoped i'm for about year ana la, It's
,bo ahsloid nf5ncinle Two other varieties, generally
sold under the name Of cinchona pitayo grow al an a
tude of nearly 5000 feet These contain ABOUT 90 ph
cent of the akaoid principle, nearly per cent Oi WHICH
Is quinine. ..:,;-o1
TO CIT GLAss.-BTOken glass may ne uulNtu'
and broken bottles be turned TO useful jars by suPe
neaRs of cutting glass which consists In FIRST scratching
=. with diamond or file the curved OF straight le 10
he cut and then tracing the line with an lgned penc
made As follows: Oneeighth Of an ounce OF gum uasd
cauth dissolved in sufficient water 70 form thck dsIe'
Is mixed with solution Of OnefOurh OF an Onnce OF pow
dered gum benzon IN the least possible quantity OF trog
nlcohol 10 the mixture is added enough powdered peeC
wood charcoal 70 form dOughY mass TINS Is I0heuh
little pencils about inches long ana LETT t0uiy ouC
pencil will ON being gnited, burn 70 hne point unll
n ia entirely consumed AS contact with the glass teus
10 check combustion, 10 is essential 70 Withdraw the lS
led pencil every few seconds and hasten us burning pg
brisk blowing .
EFFECT OF ABSENCE OF SOUND.-Dr. II. Rails
gmth OF Louisville KY, by certain INVESTIGATORS Claims
TO have established the truth of the theory thaj animals
living permanently i'm the Mammoth Cave OF kentucky
are not only without OF the optic nerve nut are
Rlso destitute the Of hearing At one uhc nc
penetrated about four miles into the interior OF the cave
and some four hundred feet below the surface OF the
earth the solitude and total absence OF SOUND pro
duced very dsre ssiug and almost lnsupp0raDe euecl
upon him, resulting In a very perceptble athougn tel
parary detection OF hearing and alteration OF mlRu,
hs explains the fact why persons lost III the cave loI
one two OF three days have always been FOUND, Wne
rescued In state OF temporary insanity Inc nlhd anu
special senses deprived Of their natural paouuh au
stimulus, gradually become weakened, parayzed alIo
phied and finally external manifestations are
concerned nearly II not quite extinct TINS tact may az
ford some clue to the cause OF cretnsm ln the Alhe
valleys.