Pond Life 
it is necessary. And it helps us to 
understand the wonderful progress which 
living things have made since life first 
was created on the earth. Originally, 
of course, there must have been a time 
when there was no life at all. Then 
came the creation of life. For it must 
have been created ; it couldn’t start itself. 
And from that moment life has pro- 
gressed and advanced. For the living 
things of to-day did not always exist 
from the first. The first living creations 
must have been very different from 
those which we see around us, which 
were, in comparison, only made yester- 
day. If we examine the remains of 
past ages which have been preserved 
through untold numbers of years, what 
do we find? Inthe very lowest depths, 
which must be the oldest in point of 
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