The Democratic advocate. [volume] (Westminster, Md.) 1865-1972, 1877-06-09

time laying some hundred eggs on water
which sink to the bottom.
The louise lays 60 eggs in G days, which
are hatehed in other 6 days
The itch is caused by mite which lives
in a vesicle Of the skin. In other cases,
the same genus obtains habitatiOn 10
the body, causing disease called morJus
pedicuLari.s.
Of oentipedes or Scolopendry there are
10 species, some very large with two legs
for every division of the body, but seldom,
if ever, 100.
There are GO species Of the dragon.Ay,
all very ravenous in regard to smaller
insects.
The gad-Ay deposits its eggs in the
bodies Of horses, cattle, sheep, &c.
The Peruvian fulgora or lantern-hy is
above 3 inches long. The head or lantern
is half its length and Of straw color, and
the light splendid. There is also a smaller
species in India.
There are several hundred species of
the scarbeus or beetle genus. The her
cules species is or inches long aud
beautifully marked
A thousand species have been enumer-
ated Of the genus musca or fly.
In Mexico and South America, fire flies
are very common, which shine by so strong
a phosphoric light, that person may read
by the light of three of them The larg.
est species have luminous patch under
the belly, and one on each side Of the
head. Another species has the light under
its wings. When the Ayis dead the light
continues, and may be transferred.
There are no grounds for the terror in
spired by ear-wigs. No medical case is
recorded of mischief from them, and oil
or brandy would instantly kill or expel
them; while they can in no case penetrate
beyond the external orifce
The speckled caterpillar, which produces
the magpie moth, lives through the winter
on ourrant and gooseberry trees
Many spiders, moths and beetles coun-
felt death when in danger, and no torture
will make them show signs Of life while
the danger continues.
Gossamer consists Of the fine threads of
the flying spider, covered with dew.
The order Parasitic includes the louise
species, which are so numerous that every
species of bird, and it is believed every
animal, has its own particular kind; and
the same species never was found on two
distinct species of birds or animals.
The specie. Of louise which runs on the
bodies and garments of men is not the
same as that which inhabit the head.
The monas, water hydated or viscid
bubble, is the first germ Of animal secre-
ton, or stomachic absorption.
Leuwenhoeck reckoned 1000 divisions
in the cornea of butterfly, each of which
he thought a separate crystalline lens.
Spiders, &c, are equally provided for
The flea, grasshopper and locust jump
two hundred times their own length, equal
to quarter of mile for a man.
The insects which eats round holes in
furniture is the Dermestes domestic,ls and
the species tarddriis eats the leather of
books and any animal substance.
The ternles .tdtaLe or white ant, builds
pyramldical structures 10 or IL feet high,
divided into vast variety of apartments,
and SO strong as to permit four men to
stand on them. The community is well
governed, they appear in discipline to ex.
ceed oil animals.
The ant-hills of our fields are full of
cells and passages curiously formed with
twigs and weeds cemented by their own
gluten. They disfgure field, and do not
diminish but rather increase its produe-
tiyeness for grazing; and in grazing dis
dricts they abound, and are seldom dis
turbed. They present larger surface to
the air and increase the quantity of grass
and animal food, while they fertilize the
soil.