THE SEA BOTTOM
75
.
a habit possessed only by a few other Scallops
and the delicate Lima Mans.
The queen lives in large
”
shoals ” which are able to move freely about the sea
bottom changing their feeding grounds from time to time.
-
Indeed there is a constant movement on the sea bottom,
“.
A
:
.
'
.
.
Q
,’I
“J
_
.
_
FIG. II,—Diagram to illœtrate
scallop.
'
,
Left—Normal mode of swimming, i1pp'er arrow shoWinä direction ofmovenäent.
Lower arrows direction in which water is expélled.
,
‘
-
'
when startled, hinge foremost, right arrow showing direction
of movement, left arrow direction in which water is expelled (after Buddeùbrock)
_
particular animals mysteri‘ously disappearing from a given
area and then as mysteriously reappearing, and we“ know
'
_
nothing either of the Cause or the extent of their move—
'm6ts.'
,
.
.
'
'
'
"
'
75
.
a habit possessed only by a few other Scallops
and the delicate Lima Mans.
The queen lives in large
”
shoals ” which are able to move freely about the sea
bottom changing their feeding grounds from time to time.
-
Indeed there is a constant movement on the sea bottom,
“.
A
:
.
'
.
.
Q
,’I
“J
_
.
_
FIG. II,—Diagram to illœtrate
scallop.
'
,
Left—Normal mode of swimming, i1pp'er arrow shoWinä direction ofmovenäent.
Lower arrows direction in which water is expélled.
,
‘
-
'
when startled, hinge foremost, right arrow showing direction
of movement, left arrow direction in which water is expelled (after Buddeùbrock)
_
particular animals mysteri‘ously disappearing from a given
area and then as mysteriously reappearing, and we“ know
'
_
nothing either of the Cause or the extent of their move—
'm6ts.'
,
.
.
'
'
'
"
'