298 



Dzccllcrs of the Sea and Shore 



a field of particularly fine, large specimens Is found In 

 the waters of the Pacific near Japan. The form rep- 



THE STONE LILY; A FOSSIL CRINOID WHICH LIVED IN AN ANCIENT SEA. 



resented by the genus Pcntacriniis remains perma- 

 nently fixed, but the ComatiiJa form separates from the 

 stem at a certain stage in its development, and swims 



