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164
Glaucus; Or, The Wonders of the Shore
·
Charles Kingsley
131
This
is
Mr.
Gosse’s
method.
But
Mr.
Lloyd,
in
his
“Handbook
to
the
Crystal
Palace
Aquarium,”
advises
that
no
weed
should
be
put
into
the
tank.
“It
is
better,”
he
says,
“to
depend
only
on
those
which
gradually
and
naturally
appear
on
the
rocks
of
the
aquarium
by
the
action
of
light,
and
which
answer
every
chemical
purpose.”
I
should
advise
anyone
intending
to
set
up
an
aquarium,
however
small,
to
study
what
Mr.
Lloyd
says
on
this
matter
in
pp.
17–
19,
and
also
in
page
30,
of
his
pamphlet;
and
also
to
go
to
the
Crystal
Palace
Aquarium,
and
there
see
for
himself
the
many
beautiful
species
of
sea-weeds
which
have
appeared
spontaneously
in
the
tanks
from
unsuspected
spores
floating
in
the
sea-water.
On
the
other
hand,
Mr.
Lloyd
lays
much
stress
on
the
necessity
of
aërating
the
water,
by
keeping
it
in
perpetual
motion;
a
process
not
easy
to
be
carried
out
in
small
aquaria;
at
least
to
that
perfection
which
has
been
attained
at
the
Crystal
Palace,
where
the
water
is
kept
in
continual
circulation
by
steam-power.
For
a
jar-aquarium,
it
will
be
enough
to
drive
fresh
air
through
the
water
every
day,
by
means
of
a
syringe.
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