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The
only
thing
to
be
collected
,
therefore
,
was
elder-pith
,
for
as
to
the
other
substance
necessary
for
the
manufacture
of
pyroxyle
,
it
was
only
fuming
azotic
acid
.
Now
,
Harding
having
sulphuric
acid
at
his
disposal
,
had
already
been
easily
able
to
produce
azotic
acid
by
attacking
the
saltpeter
with
which
nature
supplied
him
.
He
accordingly
resolved
to
manufacture
and
employ
pyroxyle
,
although
it
has
some
inconveniences
,
that
is
to
say
,
a
great
inequality
of
effect
,
an
excessive
inflammability
,
since
it
takes
fire
at
one
hundred
and
seventy
degrees
instead
of
two
hundred
and
forty
,
and
lastly
,
an
instantaneous
deflagration
which
might
damage
the
firearms
.
On
the
other
hand
,
the
advantages
of
pyroxyle
consist
in
this
,
that
it
is
not
injured
by
damp
,
that
it
does
not
make
the
gun-barrels
dirty
,
and
that
its
force
is
four
times
that
of
ordinary
powder
.
To
make
pyroxyle
,
the
cotton
must
be
immersed
in
the
fuming
azotic
acid
for
a
quarter
of
an
hour
,
then
washed
in
cold
water
and
dried
.
Nothing
could
be
more
simple
.
Cyrus
Harding
had
only
at
his
disposal
the
ordinary
azotic
acid
and
not
the
fuming
or
monohydrate
azotic
acid
,
that
is
to
say
,
acid
which
emits
white
vapors
when
it
comes
in
contact
with
damp
air
;
but
by
substituting
for
the
latter
ordinary
azotic
acid
,
mixed
,
in
the
proportion
of
from
three
to
five
volumes
of
concentrated
sulphuric
acid
,
the
engineer
obtained
the
same
result
.
The
sportsmen
of
the
island
therefore
soon
had
a
perfectly
prepared
substance
,
which
,
employed
discreetly
,
produced
admirable
results
.
About
this
time
the
settlers
cleared
three
acres
of
the
plateau
,
and
the
rest
was
preserved
in
a
wild
state
,
for
the
benefit
of
the
onagers
.
Several
excursions
were
made
into
the
Jacamar
Wood
and
the
forests
of
the
Far
West
,
and
they
brought
back
from
thence
a
large
collection
of
wild
vegetables
,
spinach
,
cress
,
radishes
,
and
turnips
,
which
careful
culture
would
soon
improve
,
and
which
would
temper
the
regimen
on
which
the
settlers
had
till
then
subsisted
.
Supplies
of
wood
and
coal
were
also
carted
.
Each
excursion
was
at
the
same
time
a
means
of
improving
the
roads
,
which
gradually
became
smoother
under
the
wheels
of
the
cart
.
The
rabbit-warren
still
continued
to
supply
the
larder
of
Granite
House
.
As
fortunately
it
was
situated
on
the
other
side
of
Creek
Glycerine
,
its
inhabitants
could
not
reach
the
plateau
nor
ravage
the
newly-made
plantation
.
The
oyster-bed
among
the
rocks
was
frequently
renewed
and
furnished
excellent
molluscs
.
Besides
that
,
the
fishing
,
either
in
the
lake
or
the
Mercy
,
was
very
profitable
,
for
Pencroft
had
made
some
lines
,
armed
with
iron
hooks
,
with
which
they
frequently
caught
fine
trout
,
and
a
species
of
fish
whose
silvery
sides
were
speckled
with
yellow
,
and
which
were
also
extremely
savory
.
Master
Neb
,
who
was
skilled
in
the
culinary
art
,
knew
how
to
vary
agreeably
the
bill
of
fare
.
Bread
alone
was
wanting
at
the
table
of
the
settlers
,
and
as
has
been
said
,
they
felt
this
privation
greatly
.
The
settlers
hunted
too
the
turtles
which
frequented
the
shores
of
Cape
Mandible
.
At
this
place
the
beach
was
covered
with
little
mounds
,
concealing
perfectly
spherical
turtles
'
eggs
,
with
white
hard
shells
,
the
albumen
of
which
does
not
coagulate
as
that
of
birds
'
eggs
.
They
were
hatched
by
the
sun
,
and
their
number
was
naturally
considerable
,
as
each
turtle
can
lay
annually
two
hundred
and
fifty
.
"
A
regular
egg-field
,
"
observed
Gideon
Spilett
,
"
and
we
have
nothing
to
do
but
to
pick
them
up
.
"
But
not
being
contented
with
simply
the
produce
,
they
made
chase
after
the
producers
,
the
result
of
which
was
that
they
were
able
to
bring
back
to
Granite
House
a
dozen
of
these
chelonians
,
which
were
really
valuable
from
an
alimentary
point
of
view
.
The
turtle
soup
,
flavored
with
aromatic
herbs
,
often
gained
well-merited
praises
for
its
preparer
,
Neb.
.
We
must
here
mention
another
fortunate
circumstance
by
which
new
stores
for
the
winter
were
laid
in
.
Shoals
of
salmon
entered
the
Mercy
,
and
ascended
the
country
for
several
miles
.