ENCRINITES. 105 



a kind of zoological "lumber-room," into which all 

 kinds of little-understood creatures were thrust if 

 they had radiating organs around the mouth ; or even 

 if the body itself was of a stellate or radiated shape, 

 as in the case of the star-fishes. The Radiata is no 

 longer used by modern naturalists, and most of the 

 animals, living and extinct, formerly grouped under 



Fig. 87. — American Feather-star {Etiryale costosa). 



that name, have been assigned to distinctive and 

 clearly understood groups. 



Thus all the spiny-skinned animals {Echinoder- 

 matci) are now included in the sub-kingdom Echinozoa, 



