66 THE HAUNTS OF LIF2 
on or near the floor of the sea, are found 
floating at or near the surface. 
CONTRAST BETWEEN SHORE AND 
OPEN SEA 
The shore waters pass gradually into the 
open sea, and the surface zones pass gradually 
into the dark, deep-water zones, but the haunt 
which we call the open sea has well-marked 
characters of its own. It is a place of spa- 
ciousness, freedom, and plenty. Let us con- 
trast it with the shore haunt. ‘There are 
three great differences. (1) The seashore is 
crowded, the open sea is spacious; there is 
room and to spare for all. (2) The shore is 
very changeful, the open sea is much more 
uniform. The differences between morning 
and noon, day and night, summer and winter, 
are less marked in the open sea than on the 
shore. The open sea is not indeed a place of 
rest, for the pelagic animals swim or drift un- 
ceasingly, and “know no rest from birth till 
death.” But even this movement often makes 
things easier, for many of them can sink or 
rise in the water, getting out of the glare or the 
heat, or coming up to where oxygen is most 
