THE SAVAGE WORLD. 
37 
renders it a beautiful creature. It is, However, dangerous to Handle, since its 
sHarp spines botH sting and benumb. 
The Marsupial Sea-Urchin (.Hemiaster Philippii) is remarkable for 
Having four deep cavities, in which, like the opossum, it receives its young. 
Snake Star, or Pluteus , is the name given to the embryonic sea-urchin, and 
is of great interest because so unlike the Echinoderm, into which it is to be meta¬ 
morphosed. It has a bilateral (two-sided), symmetrical (side corresponding to 
side), non-radiated body, which is mostly obscured by an apparently helpless 
tangle of eight long arms, supported by slight calcareous rods. As these arms 
sun star-fish (Solaster papposus) and young. young hair stars. 
{Comatula mediterranean) 
vibrate they suggest some of the most grotesque and horrible drawings of 
Gustave Dore. The creature swims by a parachute-like opening and closing 
of its arms. 
The Brittle Star-fish is constantly engaged in breaking itself into pieces, 
but it repairs the damage as speedily as it occasions it. 
