PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 81 



Farrea kurilensis, page 30. 



Farrea ivatasei, page 34. 



F ar re a sollasii yakusJiimensis, 



page 38. 

 Farrea heringiana, page 39. 

 Eurete nipponica, page 43. 

 Eurete sacculiformis, page 45. 

 Eurete irregularis, page 48. 

 Aphrocallistes intermedia, page 52. 

 Aphrocallistes yatsul, page 56. 

 Aphrocallistes aleutiana, page 58. 

 Hyalascus attenuatus, page 69. 



Aulosaccus flssuratus, page 73. 

 Aulosaccus flssuratus shimushirensis, 



page 77. 

 Aiilosaeeus albotrossi, page 78. 

 Aulosaccus tuberculatus, page 83. 

 AttZosaccMS solaster, page 85. 

 Aulosaccus pinularis, page 88. 

 Acanthascus pachydenna, page 94. 

 Staurocalyptus rugocruciatus, page 99, 

 Rhabdocalyptus borealis, page 103. 

 Rhabdocah/ptus Ixetcraster, page 108. 

 Rhahdocahiptus hideiitatus, page 113. 



The stations where the hexactinellids reported upon were obtained 

 are listed in Table 1 : 



