CLASSES OF ANIMALS. 
27 
“ Cats”—“ birds”—and “ fishes”—were 
some of the examples given. 
“ And men,” added Richard. 
“Are men animals?” asked Daisy, who 
had not spoken a word before. “ I did not 
know that.” 
“ Men are animals, and something besides 
animals,” said Richard, “because they have 
something that other animals have not.” 
“Very true,” replied Miss Winston. 
“Articulata are those animals which are 
divided into segments or rings and have no 
interior skeleton, such as insects, crabs and 
lobsters, and earth-worms.” 
“I always thought lobsters were fish,” 
said Annie. 
“ No: they are very different from fish, 
which are vertebrated animals. The Mol- 
lusks are soft, cold-blooded animals, and are 
usually enclosed in a shell, like oysters and 
snails. The Radiata, the last of all, have 
their parts radiating, or arranged round a 
centre, and are the simplest of all in their 
construction, such as the star and jelly fishes, 
and those curious animals the sea-nettles. 
With these three latter departments we 
have nothing to do at present, but will con- 
