STAR-FISHES AND SEA-URCHINS. 



graceful flowers, not unlike a widely opened tulip or lily, 

 had been roughly drawn there (No. 42). At first, the 

 persons who found these strange old flowers as they 

 seemed, buried in the rocks, could not understand how 



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No. 42. 



they came to be there, or what they were ; but from 

 their appearance they were called " stone lilies." When, 

 however, they were more closely examined, and care- 

 fully studied by naturalists who were familiar with ani- 

 mal structures, it was found that what looked like a 



