3tS
CONTENTS.
Page
Preface....................................................................................' . .4 ...........................v
List of the Species noticed and described........................................................................vii
The Holothuroidea...............................................................................................................l
The E ch in o id e a .............................................. 19
The A ste ro id e a .............................................. 23
The Ophiuroidea and A stro p h y tid s e .................................... 54
The Crinoidea (C om a tu le e )................................................................... 73
General C o n c lu s io n s ...................................................................................................79
I n d e x .................................................... ........................................................................81
Six Plates, and their Descriptions.