The weekly register. [volume] (Point Pleasant, Va. [W. Va.]) 1862-1909, 1886-02-24
Popular science.

mas oeen recently Introduced on
the continent. II consists in mix.
ing chloride Of sinc with the pulp
in the course Of manufacture. Il.
has been foand that the greater the
degree Of concentration Of the zinc
solution, the greater will be the
toaghuess Of the paper. II can be
used for making boxes, combs, for
roofng, and even for making boots.
Experiment. On the sleep Of
s,hqs have been made in I.oudon
by Mr.. W. August Carter lie bus
found that the fresh water fishes
observed-the roach, Ce,gpdgeon,
carp, tench, minOoR and catfish
sleep periodically like terrestrial
apimalss ghslsame istfusof some
marine fishes, such az the wrasse,
congor eel, dory, dagfsh, wrasse
bass and all species Of Hat fish, but
the goldfish, pike and angler fish
do not appear TO sleep at all, al.
though theyres periodically. The
desire for sleep varies according to
weather condition, aud Gthes do
not necessarily select nighttime for
repose.
Crooodiles are represented by al,
ligators Their tails are used for
swimming, and their legs aid in
lifting them outof the mud. They
build nestsof leaves and vegetation
before it has begun to decay; lay.
er Of eggs, a layer of vegetation,
The heat of the vegetation hatches
the eggs. The crocodile diifersfrom
the alligator by having no long
separation between the nostrils. 1t
has no valve in tho throat for keep
ing out water. The crocodiles Of
the Nile and Ganges are most dan.
geroue. Alligators are called cold.
blooded because Of their inability
to develop much heat in their bod.
les.
Among the wonders of photogra.
ply it is said that with a lens made
of rock salt it might be possible to
photograph in the dark. One op.
orator has succeeded in preparing
plates which are sensitive to the
rays lying beyond the red end Of
'ne 'Pec'Fum-'he aafS neat rays
and with such plates used with
'o'H u !,.' SS'' 'e"S .here snoula pea pos
S'o.'l'y Oh PnoIographlng bodies
which possess a high temperature,
although that temperature may be
'aF oe'o@ that needed TO- render
'nem Fe1l'lominoNs' IL is even
PoSsio'e lhas sucn Il plan may some
u"y oe so perfect as TO give us that
Information y, ABOUT the dark suns
'na' are oslleVea 10 crowd the Iirm-
amen'-or rather heavenly bodies,
"n'cu once were seen' out have
~" 'o''eu GOWN so as 10 DC lnVlSl
o'e'
W. Vnapmah' an English physI'
Gu" "io mas PFact'ceu lot a mum
'e' u years .u F@flS' ol' was IoFm
e'"l'N IN lna'a' where be had chol
81" 20 ',ea'' mas l's' P"oliShed a 9.
%PoN emitted "CNo'eFa CoFaOle''
n' IS '"e man VINO sometime ago
recommended inc use Of lce'oags
Iof SICKNESS ana mas more recently
''''u ,ns ', same me'hou win ehoI
sra me usea II IN Ten ,,,, cases. with
result ol Ten cures Inc Ice Dag
'Flp'e ru0oef Oag' aOonS twenty
W '"e"oy W 'o"F 'ncheS VIDE Each
p"r' Is "'leu "lIh n4e pieces OIL ice'
anu ~ II IS applied 10 Iho oack along
'n'sp'n"l column Hs application
Snou'u oe constant SO inc Ice must
,O' Ue c"u'gea from 'lms TO 'ime. :
lOe vomiting was stopped by its
use Amos. a! once "h'le there was
a, great dlmlnu'lon In the cramp'
Inc patients warmed up the pulse
came BACK, and all the symptoms
gradually disappeared
Mineral waters, when examined
IN a glass arc usually clear and
transparent Bat when we look