'
THE SEA SHORE
37
spots.
The largest of the anemones is the handsomé
dahlia ( Tealia), with a warty column ulike the smooth one
'
of Actinia, and of many colour patterns, some of them—
strikingly decorativ’e. This also is not uncommon on the
shore at the ”base of rocks, but usually nearer low-water mark.
Especially common in the pools is
“.Snake—locked
anemone ”
(A‘nthea 08{6u5)—appropriately so ”named for it
.
has long tentacles which wave with the motion ”of the water
and, unlike those ”Of the other anemones, are incapable
of
We must pass ,by many
of '
the other
anemones, mentioning only the beautiful little Corynactis
very common in some regions, no bigger than & pea and of
many colour—varieties, pink, green _and white ones being
found.
Other inhabitants of rock pools_ are hydroids, of
which the handsome Tubularia is the nest, a variety of
tube—dwelling worms of which the most con8picuous is “
Bispira, with its wide parchment-like tube and yellow
crown of tent&cles in the form of two spiral whorls united
-
at the base, many snails especially the conspicuous sea slugs,
such as Æolis (Plate 17), With‘its back covered with a " “fur "
'
of soft grey projections, the sea lemon
very
common
on
rocks everywhere (Plate
a
great
number of smaller kinds.
Crustaceans abound, especially
prawns, both the large Leander and the little Æsop praWn
«
(Hippolyte), so difcult to see because of its remarkable
power of colour Change.
"
.
A sandy shore has a very different population.
Both
sea weeds and encrusting animals are absent for there is no
hard surface to which they can attach themselves.
Many
of the sand dWellers are burrowers, spending all or part of
their lives beneath the surface, maintaining contact with
the water in a variety of ways. The predominant animals
_
-
are bivalve molluscs, of a type which do not attach them- -
selv_es permanently 1iké‘the mussel or the
THE SEA SHORE
37
spots.
The largest of the anemones is the handsomé
dahlia ( Tealia), with a warty column ulike the smooth one
'
of Actinia, and of many colour patterns, some of them—
strikingly decorativ’e. This also is not uncommon on the
shore at the ”base of rocks, but usually nearer low-water mark.
Especially common in the pools is
“.Snake—locked
anemone ”
(A‘nthea 08{6u5)—appropriately so ”named for it
.
has long tentacles which wave with the motion ”of the water
and, unlike those ”Of the other anemones, are incapable
of
We must pass ,by many
of '
the other
anemones, mentioning only the beautiful little Corynactis
very common in some regions, no bigger than & pea and of
many colour—varieties, pink, green _and white ones being
found.
Other inhabitants of rock pools_ are hydroids, of
which the handsome Tubularia is the nest, a variety of
tube—dwelling worms of which the most con8picuous is “
Bispira, with its wide parchment-like tube and yellow
crown of tent&cles in the form of two spiral whorls united
-
at the base, many snails especially the conspicuous sea slugs,
such as Æolis (Plate 17), With‘its back covered with a " “fur "
'
of soft grey projections, the sea lemon
very
common
on
rocks everywhere (Plate
a
great
number of smaller kinds.
Crustaceans abound, especially
prawns, both the large Leander and the little Æsop praWn
«
(Hippolyte), so difcult to see because of its remarkable
power of colour Change.
"
.
A sandy shore has a very different population.
Both
sea weeds and encrusting animals are absent for there is no
hard surface to which they can attach themselves.
Many
of the sand dWellers are burrowers, spending all or part of
their lives beneath the surface, maintaining contact with
the water in a variety of ways. The predominant animals
_
-
are bivalve molluscs, of a type which do not attach them- -
selv_es permanently 1iké‘the mussel or the