ANIMALS WITH BACKBONES. 
13 
2. “ Now which of the two divisions do you think 
is the more important one?” 
“ Oh I the animals with backbones,” said William. 
“ At any rate, we are in their division.” 
3. “Very well; then we will spend most of our 
time in talking about the backboned creatures,” 
Some Backboned Animals. 
said Mr. Johnson. “ They form the first and chief 
sub-kingdom in the animal world. 
4 . “ But let me first say a few words about the 
animals without backbones. These are so numerous, 
and they differ so much in build, that we arrange 
them in five sub-kingdoms. Thus, we have in one 
the soft-bodied creatures, such as oysters and snails. 
