306 



PEOF, P. M. DUNCAIir'S REVISION OF THE 



INDEX TO GENERA. 



Abatus, 226, 227, 228. 

 Acanthechinus, 68. 

 Aceste, 269. 

 Acroeidaris, 51. 

 Acropeltis, 52, 59. 

 Acrosalenia, 48. 

 Adelopneustes, 305. 

 Adetes, 217, 266. 

 jEolopneustes, 125. 

 Aerope, 271. 

 Agarites, 93. 

 Agassizia, 237. 

 Alexandria, 165. 

 Amblypneustes, 112. 

 Amblypygus, 170. 

 Anifhicletus, 261. 

 Amphidotus, 261. 

 Anvphiope, 159. 

 Ananehytes, 206. 

 AnaDchytida3, 205. 

 Anaulocidaris, 27. 

 Anisaster, 235. 

 Anoohanus, 177. 

 Anomalanthus, 155. 

 Anorthopygus, 173. 

 Anthobrissus, 187. 

 Anthocidaris, 121. 

 Apetala, 217, 266. 

 Arachninse, 158, 165. 

 Arachnoides, 165. 

 Arachniopleurus, 100. 

 Arbacia, 93. 

 Arbaciid^, 92. 

 Arch£eocidarid£e, 8. 

 Archseocidaris, 11. 

 Archiacia, 200. 

 Argopatagus, 276. 

 Aspidodiadema, 55, 66. 

 Aspidodiadematidje, 56. 

 Asterobrissus, 181. 

 Asterocidaris, 51, 59. 

 Asterodaspis, 165. 

 Asteropsis, 69. 

 Asterostoma, 201, 202. 

 Asthenosoma, 39, 43. 

 Astriclypeus, 163. 



Astropyga, 36, 39, 75, 77, 78. 



Boletia, 131. 

 Bothriocidaris, 8. 

 Bothi'iocidaroida, 7. 

 Bothriopygus, 177. 

 BrejTiia, 262. 

 Brissomorpha, 242. 

 Brissopatagus, 252. 

 Brissopneustes, 241. 

 Brissopsis, 248. 

 Brissus, 241. 



Calveria, 43. 



Oalymne, 214. 



Caratomus, 170. 



Cardiaster, 209. 

 ■• Cassidulidge, 180. 

 'Cassiduloidea, 25, 166. 



Cassidulus, 181. 



Catopygus, 185. 



Centrostephanus, 61. 



Chrysomelon, 129. 



Cibaster, 209. 

 -Oidaridse, 26. 



Cidaris, 27. 

 - Cidaroida, 24, 26, 27. 



Cidaropsis, 53. 



Cionobrissus, 259. 



Circopeltis, 53. 



Claviaster, 201. 



Oleistechinus, 277. 



Olypeaster, 149, 151. 



Olypeastridse, 148. 



Olypeastroida, 25, 142, 143. 



Clypeolampus, 192, 194. 



Clvpeopygus, 188. 



Olypeus, 187. 



Oodechinus, 80. 



Codiopsis, 65. 



Ooelopleurus, 94. 



CoUyrites, 196. 



OoUyritidffi, 196. 



Oolobocentrotus, 117. 



Colpotiara, 65. 



Conchophorvs, 252. 



