66 
FIRST BOOK. 
" Give but his horns the slightest touchy 
His self-collecting power is such, 
He shrinks into his house, with much 
Displeasure." 
4. After being hatched from the egg, the tiny 
young snail has, of course, a tiny shell; but, as 
the animal growls, it builds its shell larger and 
larger by adding a little more all round the edge. 
The Garden-snail. 
1, Eggs of snail. 2, Shell taken from egg. 3, Young snail. 4, Full-grown snail. 
In this way it keeps the shell big enough for its 
body. You may see the little rows that have 
been added, one by one, if you look carefully at 
the lines round the shell. 
5. No doubt you wonder how the snail can 
make them. I will tell you. 
Under the shell there is a loose fold of soft 
skin, called the mantle, which, you know, is a 
name for a kind of cloak. 
