CONTENTS 



PAGE 



Preface ^^ 



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 



