The Democrat. (Scotland Neck, Halifax Co., N.C.) 1884-1896, 1888-05-03
SCIENTIFIC SCRAPS

4 scicnt.st declares that a.h can heat
man talking half mile away. /
South Africa IS comparatively poor
in butterflies, recent list hy Mr..
Robert Trimea oaumer2tiag only about
$50 species.
1t has long been known that carbonic
acid gas produces 9 sensation Of greater
warmth on the skin than air Of the same
Temperatures.
The poison of diphtheria is inhaled
and commits its ravages in the rospira-
tory tract, the nostri,s, fauccs, larynx,
trachea and bronchial tubes
\ kind Of artificial rabies has been |
produced in rabbits and birds 10y in
jcctions Of oil of tansy. This mala ady /
was overcome by treatment with chloraL /
Parier -mache is made by pasting or
gluing sheets Of straw or other thick
paper together when wet and pressing
to the shape of the mold. or making
pulp of the paper material and pressing
the pulp into molds.
Australia has some giant caterpillars.
Mr.. 4. S. OHM Of sydney mentions one
moth larva, abundant during the past
season, as being seven inches long, and
specimens Of larvu of two other species
measure eight inches in length.
4 writer in Science comes to tho con-
clusion that it seems idle to discuss
further the influence of forests upon
rainfall from the economic point OF
view, as it is evidently too slight to be
of the least practical importance.
BY experiments on young animals
Dr., Kisel Of St, Petersburg, Russia, has
found that phosphorus never eXcrts any
beneficial effect on the growth Of bone,
but that, on the other hand, quite small
doses produce various symptoms of poi
soning.
There are ninety seven artesian wells
in Dakota, extending in a line from
Yankton to Grafton. They have cost
from $1,000 to $1,000 each, and range in
depth from 528 feet to 1902 feet. In
several of the towns the water from the
wells is used for fire purposes,
The efficiency of oil, when dropped
on the water to calm boisterous waves,
may now be regarded as established. II
Is astonis hing how small a quantity Of
oil will answer the purpose. Admiral
Clone gives the amount as from two to
three quarts an hour dropped from per
forated bags hanging over the sides
the ship in positions varying with tn
wind.
A French physician, Dr.. Fez, men
tions a curious apparent cause OF lett
handedne5s. One child in a certain
family was left-handed, and the secon'
appeared to be so at the age Of one year
1t was then learned that the mother al
wavs carried her children on her lef
arm. She was advised to change, and
held on her other arm, the infant
having it's right hand free to grasp oh
Jects, soon became Tl9AI-hanuc"'
The theories expressed in the Popula
Science Monthly by Mr.. Eaton and Mr.
Gouinlock, that construction of tn
blood-vesseIs of the head by tight hat
is the chief cause of badness, have bee
reviewed by Professor T. Wesley Mills
who only partly accepts them, and hold
that the principal root of the trouble
in nervous strain. Men, by their pos
ton and more intense responsibilities
are more liable to this disorder tha
women, because they are more subject
mental overwork. 'Baldness," tn
author concludes, as one more of th
many warnings Of our day-ono
natures protests against the irregul'
and excessive activity maintained
this restless age