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1
164
Glaucus; Or, The Wonders of the Shore
·
Charles Kingsley
156
CRISIA
DENTICULATA.
Pl.
I.
fig.
4.
I
have
only
drawn
the
cells
from
a
prepared
specimen.
The
polypes
are
like
those
described
above.
GEMELLARIA
LORICATA.
Pl.
I.
fig.
5.
Here
the
cells
are
placed
in
pairs,
back
to
back.
5
A
is
a
very
small
portion
on
the
natural
scale.
CELLULARIA
CILIATA.
Pl.
I.
fig.
7
The
cells
are
alternate
on
the
stem,
and
are
curiously
armed
with
long
whip-like
cilia
or
spines.
On
the
back
of
some
of
the
cells
is
a
very
strange
appendage,
the
use
of
which
is
not
with
certainty
ascertained.
It
is
a
minute
body,
slightly
resembling
a
vulture’s
head,
with
a
movable
lower
beak.
The
whole
head
keeps
up
a
nodding
motion,
and
the
movable
beak
occasionally
opens
widely,
and
then
suddenly
snaps
to
with
a
jerk.
It
has
been
seen
to
hold
an
animalcule
between
its
jaws
till
the
latter
has
died,
but
it
has
no
power
to
communicate
the
prey
to
the
polype
in
its
cell
or
to
swallow
and
digest
it
on
its
own
account.
It
is
certainly
not
an
independent
parasite,
as
has
been
supposed,
and
yet
its
purpose
in
the
animal
economy
is
a
mystery.
Mr.
Gosse
conjectures
that
its
use
may
be,
by
holding
animalcules
till
they
die
and
decay,
to
attract
by
their
putrescence
crowds
of
other
animalcules,
which
may
thus
be
drawn
within
the
influence
of
the
polype’s
ciliated
tentacles.
Fig.
7
B
shows
the
form
of
one
of
these
“birds’
heads,”
and
fig.
7
C,
its
position
on
the
cell.
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