c^^ 



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 331 



