,
ON CRABS or vnnrous xmms;
_
15
thesmalleir and for the most part pelagic forms",«Which arè—not .
.
'
sought by man for food, and the larger, amongst “which are the
edible kinds.
Every ocean' and bay, from the Arctic to the
Antarctic
region, teems with minute Crustaceans, chieÿ
copepods, which at various stages of growth fornäj the food
of the youhger shés.
It ”must not be supposed that their
small size is a barrier to‘ their being preyed 'on by the most
gigantic inhabitants of the sea, since they form a large pro—
_
portion of the food of— the right whale. In their larvàl stages
_.
-
_
(NaupZii)-* they are tted for the needs of the youngest
she's, such as the cod “and the turbot, just after the
tion of the yolk, and they are important links in the cycle
_
-
of marine life culminating in the shes. Their rahks are
largely augmented by the larval stages of the sea—accrus,
which
swarm
in the inshore' waters during “the
spring fnonths, and afterWards settle in dense multitudes to
form calcareous crusts on rocks, boats, stakes and stones in
the sea.
The copepods occur during every inonth of
year, and have been found by Dr George Murray and Our—‘
selVes to feed on diatorns, so that the links from plant
receive another illustration.
These and the Cro'wds of” the
sèssile—èyed crustaceans (such as Parathemz‘stb in
provide an inex‘haustible supply of food over which human
agency has no inuence.
Man in a minor way and with great
f
_
difculty may protect his beats arid'ships, the piles of harbours
,
'
and other places of easy access, from the raVages‘ of
‘Îgribble
”
"(a minute crustaceah called Lz'9mzom'a), but he :is;
’
'
helpie$s in the case of Heating or sub1nerged timber.
almost invariably carries out her own laws,and, as a rul'e,in
'
Ÿ
'
the sea these are beyond man’s inuence.
"Another group of crustaceans, viz., the SchizoPods, are
in most seas, even to a great depth, from their‘
,_
abd,üdanÏce at certain seas‘ons, and from their
Ï
favourite
of valuable sh—es“ “such
the
instance in
the Water hear Crail, _at the; mouth;
.
fi is ‘œcasionallÿ :crowded; with.
eîhèr…
alonecn accompamed byBoveomswandNyotfqwvws—all
ON CRABS or vnnrous xmms;
_
15
thesmalleir and for the most part pelagic forms",«Which arè—not .
.
'
sought by man for food, and the larger, amongst “which are the
edible kinds.
Every ocean' and bay, from the Arctic to the
Antarctic
region, teems with minute Crustaceans, chieÿ
copepods, which at various stages of growth fornäj the food
of the youhger shés.
It ”must not be supposed that their
small size is a barrier to‘ their being preyed 'on by the most
gigantic inhabitants of the sea, since they form a large pro—
_
portion of the food of— the right whale. In their larvàl stages
_.
-
_
(NaupZii)-* they are tted for the needs of the youngest
she's, such as the cod “and the turbot, just after the
tion of the yolk, and they are important links in the cycle
_
-
of marine life culminating in the shes. Their rahks are
largely augmented by the larval stages of the sea—accrus,
which
swarm
in the inshore' waters during “the
spring fnonths, and afterWards settle in dense multitudes to
form calcareous crusts on rocks, boats, stakes and stones in
the sea.
The copepods occur during every inonth of
year, and have been found by Dr George Murray and Our—‘
selVes to feed on diatorns, so that the links from plant
receive another illustration.
These and the Cro'wds of” the
sèssile—èyed crustaceans (such as Parathemz‘stb in
provide an inex‘haustible supply of food over which human
agency has no inuence.
Man in a minor way and with great
f
_
difculty may protect his beats arid'ships, the piles of harbours
,
'
and other places of easy access, from the raVages‘ of
‘Îgribble
”
"(a minute crustaceah called Lz'9mzom'a), but he :is;
’
'
helpie$s in the case of Heating or sub1nerged timber.
almost invariably carries out her own laws,and, as a rul'e,in
'
Ÿ
'
the sea these are beyond man’s inuence.
"Another group of crustaceans, viz., the SchizoPods, are
in most seas, even to a great depth, from their‘
,_
abd,üdanÏce at certain seas‘ons, and from their
Ï
favourite
of valuable sh—es“ “such
the
instance in
the Water hear Crail, _at the; mouth;
.
fi is ‘œcasionallÿ :crowded; with.
eîhèr…
alonecn accompamed byBoveomswandNyotfqwvws—all