AN ANIMAL ROLLED INTO A BALL. 



20T 



you have the sea urchin without its prickles ; or, take 

 a chestnut burr, divide it into five equal sections, spread 

 it open, and you have a representation of a sea urchin 

 as it would appear transformed into a prickly starfish. 



The shell of a sea urchin is one of the prettiest 

 objects to be found on the seashore, looking, as it does, 

 like some elegantly ornamented curio or globe-shaped 

 casket made up of a great number of hexagonal- 

 shaped plates, each one decorated with large and 

 small buttons or bosses. 



This shell, unlike those of crabs and lobsters and 

 many other sorts that protect shellfish and insects and 



Sea urchins embedded in solid rock. 



the animals it clothes, grows larger, is cast off and re- 

 placed by another, must remain upon the sea urchin 

 as long as it lives, and the question, of course, at once 



