A SEA LILY. 



1. Pentacrinoid larva of the rosy feather star. 



2. The bud quite young. 



3. Dorsal view of the larva of the feather star at very early stage 



of its development, before the disappearance of the ciliated 

 bands. Much enlarged. 



4. Mature rosy feather star. (Comatula rosacea.) 



