CONTENTS 



PAGE 



Preface ix 



Decapod Crustaceans of the Northwest Coast of North 

 America. MARY J. RATHBUN i 



Isopod Crustaceans of the Northwest Coast of North Amer- 

 ica. HARRIET RICHARDSON 211 



Amphipod Crustaceans of the Expedition. S. J. HOLMES . 231 



Pycnogonida of the West Coast of North America. LEON 



J. COLE 247 



Index 33 l 



