tiERPENT'STAES. 225 



arras simple, as seen in Figure 469, but some have the 



Fig. 469. — Serpent-Star, or Ophiuran. 



Fig. 470. — Basket-Fish, or AstrophyfoQ. 



arms much branched, as in tlie beautiful Astrophyton, 



Figure 470. 



io» o 



