204
.
_
THE SEAS
-
tentacles and playing them like an angler.
Stafsh and
'
,
brittlestars crawl about on rocks or in the sand and devour
any suitable animal which they can nd, the former seizing
them with their tube—feet, and*the latter wrapping them
round with their very
In both cases the prey
.
is carried to the mouth and swallowed, but“ the common
.
.
.
,
.
_
,
"
’
‘
"'
"
.
:.
'
\\\\
medusa, Leuckäriiara aciona, catchirlg and feeding on young sh_(x 2).
stafsh is also able to feed bn animals much larger than
itSelf by the simple and convenient process of protruding its
stomach over any animal which it cannot -swallow. They
consume great numbers offbivalv_e shellsh over which they
hunch
their bodies, gradùallÿ' forcing the shell valves
,
'
open by the continuous pulling action of their tube—feet
for, though the
muscles
of the bivalVe' shell are -