INDEX 



(Synonyms are given in italics) 



Acantliascus, 94. 



cactus, 98. 



pachyderma, 94. 

 afflne, Hyalonema, 19. 



japonicum. Hyalonema, 19. 



reticulum, Hyalonema, 19. 

 albatrossi, Aulosaccus, 78. 

 aleutiana, Aplirocallistes, 58. 

 Amphidiscopliora, 6. 

 apertum, Hyalonema (Cyliconema), 19. 

 apertum, Hyalonema (Stylocalyx), 19 

 apertum solidum, Hyalonema (Cylico- 

 nema), 21. 

 apertus'. Stylocalyx, 19. 

 Aplirocallistes, 51. 



aleutiana, 58. 



beatrix orientalis, 51. 



intermedia, 52. 



yatsui, 56. 

 Aphrocallistidae, 51. 

 attenuatus, Hyalascus, 69. 

 Aulosaccus, 73. 



albatrossi, 78. 



fissuratus, 73. 



fissuratus sbimushirensis, 77. 



pinularis, 88. 



schulzei, 82. 



solaster, 85. 



tuberculatus, 83. 

 tiustralis, Rhaltdocalj'ptus, 111. 



Bathydorus, 91. 



a species, 91. 



/3 species, 92. 

 beatrix orientalis, Aplirocallistes, 51. 

 beriugiana, Farrea, 39. 

 bidentatus. Rhabdocalyptus, 113. 

 boreal is, Rbabdoealyptus, 103. 



cactus, Acantliascus, 98. 

 Chaunoplectella, 60. 



spinifera, 00. 

 €lavularia, 30. 

 clatliratum, Hyalonema. 29. 

 corrugata, Crateromorpha, 68. 

 Coryuonema, 29. 

 Coscinonema, 25. 

 Crateromorpha, 66. 



corrugata, 68. 



meyeri rugosa, 66. 

 Cyliconema, 19, 21, 22. 



elisae, Periphragella, 50. 

 Enplectella, 61. 

 owenl, 61. 



Euplectellidae, 61. 

 Euplectelliuae, 61. 

 Eurete, 43. 



farreopsis, 49. 



irregularis, 48. 



nipponica, 43. 



saeculiformis, 45. 



schmidtii, 47. 

 Euretidae, 43. 



Farrea, 30. 



beringiana, 39. 



kurilensis, 30. 



sollasii, 37. 



soUasii yakushimensis, 38. 



watasei, 34. 

 Farreidae, 30. 

 farreopsis, Eurete, 49. 

 fissuratus, Aulosaccus, 73. 

 fissuratus sbimushirensis, Aulosaccus, 

 77. 



giganteum, Pheronema, 6. 



globosum, Hyalonema (Coscinonema) 



kirkpatricki, 25. 

 globosum kago.sliimensis, Pheronema, 



6. 



heteraster, Rhabdoealyptu.s, 108. 



Hexactinosa, 30. 



Hexasterophora, 30. 



hozawai, Hyalonema (Cyliconema), 22. 



Hyalascus, 69. 



atteuuatus, 69. 

 Hyalonema, 19. 



affine, 19. 



affine japonicum, 19. 



afUne reticulum, 19. 



clathratum, 29. 



(Coryuonema) owstoni, 29. 



(Coscinonemp ) kirkpatricki globo- 

 sum, 25. 



(Coscinonema) ovatuni, 26. 



(Cyliconema) apertum, 19. 



(C.vliconema) apertum solidum, 

 21. 



(Cyliconema) hozawai, 22. 



maehrenthelU, 19. 



reflexum, 15. 



(Stylocalyx) apertum, 19. 

 Hyalonematidae, 19. 



ijimai, Pheronema, 8. 

 intermedia, Aphrocallistes, 52. 

 irregularis, Eurete, 48. 



117 



