ECHINODERMATA.
STAR-FISHES, SEA-URCHINS, AND SEA-CUCUMBERS.
The Star-Fishes.--Their Feet or Suckers.--Voracity of the Asterias.
--The Rosy Feather-Star.--Brittle and Sand-Stars.--The real
Sea-Stars of the British Waters.--The Sea-Urchins.--The
Pedicellariæ.--The Shell and the Dental Apparatus of the
Sea-Urchins.--The Sea-Cucumbers.--Their strange Dismemberments.--
Trepang-fishing on the Coast of North Australia.--In the Feejee
Islands 328