12 
EGGS OF CATERPILLARS. 
hand; and feel sure, that if the microscope 
were to bring before us still more minute forms 
of creation, we should 
find them, also, mould¬ 
ed with the same deli¬ 
cacy and skill. 
There is one more 
distinction between the 
egg of a butterfly, and 
that of a bird. In 
the bird’s egg, the 
white and the yolk are 
separated, and each is 
enclosed in a thin 
Eggs magnified. 
membrane, like a bag. But there is no such 
division in the butterfly’s egg, and the contents 
are all mixed up together. If you looked at 
one of them through a microscope, you would 
see a number of tiny grains, or globules, floating 
about in a iiquid. This liquid is like the white 
in a bird’s egg, since it serves as nourishment 
for the caterpillar while in its shell; and 
the grains or globules answer to the yolk, and 
will become, in process of time, the caterpillar 
itself. 
Long before the little caterpillars are hatched, 
the mother will be dead. She seems to know this, 
and chooses a suitable place for her eggs, and 
