240 



ECIIINODERMS : OTHIURANS. 



SERPENT STARS, OR OPHIURANS. 



The Serpent Stars, or Ophiurans, are so called from 

 the resemblance of their long slender rays to a snake's 



Fig. 469. — Serpent Star, or Ophiuran. 



Fig. 470. — Basket Fish, or Astrophyton. 



