ALPHABETICAL INDEX. 



abbensis (Goniaster), 77. 

 Abranchiata, 29. 

 abyssicola (Ainphiura), 



123. 

 abyssicola (Cribrella), 97, 



176. 

 abyssicola (Dorocidaris), 



140. 

 abyssicola (Ophiacantba), 



127, 128, 177, 179, 185. 

 abvssicola (Ophiactis), 



123, 176, 185. 

 abyssicola (Opbiocnida), 



123. 

 abyssoi um (Ophiaregma), 



124. 

 acicularis (Astropecten), 



67. 

 Actinia, 48. 

 Actinogonidiata, 12, 14, 



17. 

 Actinoidea, 17. 

 Actinopoda, 16. 

 aculeata (Asterias), 125. 

 aculeata (Ophiolepis), 



125. 

 aculeata (Ophiopholis), 



125, 177. 

 aculeata (Ophiura), 125. 

 aculeatum(Astrogoniurn), 



77. 

 acutus (Ecbinus), 146, 



152, 177, 179. 

 Adelostella, 28. 

 aequituberculatus (Ecbi- 

 nus), 159. 

 affinis (Botryodactyla), 



affinis (Cidaris), 140. 

 affinis (Ophioglypha), 



111. 

 affinis (Ophiura), 106, 



111,176,179,184. 

 albida (Ophioglypha), 



108. 

 albida (Opbiura), 106, 



108, 176, 179, 184. 



albidus (Echinus), 159. 

 albidus (Toxopneustes), 



159. 

 Alecto, 52. 

 Allionia, 52. 

 auiraothea (Ophiura), 



125. 

 Araphidetus, 168. 

 Amphiura, 25, 117. 

 Amphiuridfe, 25. 

 Anactinogonidiata, 12, 



14. 

 Anaperus, 41. 

 andprsoni (Colochirus), 



45, 175, 178, 182. 

 andrewsii (Cucumaria), 



41, 175, 182. 

 andrewsii (Pentactes), 



41. 

 andrewsii (Thyone), 



41. 

 andromeda (Astropec- 

 ten), 69. 

 andromeda (Psilaster), 



69, 175, 183. 

 angulatus (Echinocy- 



amus), 161. 

 angulosa (Asterias), 98. 

 angulosa (Stellonia), 



98. 

 angulosus (Echinocy- 



amus), 160. 

 Angustistellees, 29. 

 Aunuloida, 12. 

 annulosa (Ophiopsila), 



130, 177, 185. 

 annul osus (Ophianoplus), 



130. 

 Anseropoda, 83. 

 Antedon, 52. 

 Antedonida?,, 18. 

 Anthocidaris, 155. 

 Apelmatozoic Cystidea, 



13. 

 Apneumona, 15. 

 Apneuinona Apoda, 15, 



16. 



Apneumona Pedata, 16. 

 Apneumones, 15. 

 Apoda, 13, 15. 

 Apoda pneumonophora, 



16. 

 Apodes, 15. 

 Apodia, 15. 

 appressa (Amphipolis), 



120. 

 aranciaca (Asterias), 



67. 

 arborescens (Astrophy- 



ton), 137. 

 Archasteridse, 19, 60. 

 Archiechinoderm, 13. 

 arctica (Ophiocoma), 



127. 

 arcticus (Arcbaster), 65. 

 arcticus (Astropecten), 



65. 

 arcticus (Leptoptychas- 



ter), 165, 175, 183. 

 arcticus (Ophiopus), 124, 



185. 

 arcuarius (Amphidotus), 



169. 

 arcuarius (Spatangus), 



Ascidiastella, 15. 

 aspera (Asterias), 90. 

 aspera (Holothuria), 48, 



50, 175, 179, 182. 

 Aspidochirotae, 16. 

 Asteracanthion, 85, 98. 

 Asterencrinea, 17. 

 Asterencrinidea, 17. 

 Asterencriniens libres, 



18. 

 Asteriada?, 18, 23. 

 Asterias, 18. 

 Asterias, 18, 24, 52, 66. 



97. 

 Asteriatites, 52. 

 Asterida, 18. 

 Asteridse, 18. 

 Asteridea, 18. 

 Aster ies, 18. 



