52 
STAR-FISH GALLERY. 
by the "Challenger" KxpecUtion. One specimen was found 
attached to an old telegraph-wire taken up in the Caribbean Sea. 
These deep-sea forms, so abundant in earlier periods of the 
world's history, are exhibited on tables in the corners of the 
gallery, by case 7. Some of the stalked forms (fig. 27) are 
merely the larval stages of the Feather-Stars. 
Fig. 27. — A Stone-Lily, the Larval stage of the 
Feather-iStar (Antedon roseu^). a, arms ; &, basals ; r. radials ; s, stalk. 
The wall-cases contain types of the very various and diverse 
groups brigaded together as Worms or Vermes. Case 1 con- 
tains the Tape- Worms or Cestoda, and the Flukes or Trematoda, 
the life-jiistory of a type of each being illustrated by specimens, 
figures, and Tnodels. In case 2 the Round-Worms are illustrated 
