CONTENTS. VII 



Family Benthopectinidae — Continued. Page. 



Genus Cheiraster 190 



Cheiraster inops 191 



niasicus 192 



gazellae 196 



dioraedeae 200 



ludwigi 203 



triplacanthus 205 



Genus Benthopecten 208 



Benthopecten nioluccanus 208 



polyctenius 211 



styracius 213 



Family Radiasteridae 215 



Genus Radiaster 217 



Radiaster notabilis 217 



Family Goniasteridae 220 



Genus Pseudarchaster 220 



Pseudarchaster jordani 220 



oligoporus 222 



Genus Aphroditaster 225 



Aphroditaster microceramus 225 



Genus Paragonaster 228 



Paragonaster ctenipes hypacanthus 228 



stenostichus 23i 



Genus Perissogonaster 235 



Perlssogonaster insignis , 236 



Genus Rosaster 240 



Rosaster uannus 244 



mamillatus 247 



mimicus 250 



symbolicus . 253 



Genus Mediaster 255 



Mediaster ornatus 256 



Genus Ceramaster 257 



Ceramaster smithi 257 



Genus Nymphaster 261 



Nymphaster euryplax , 264 



dyscritus 206 



mucronatus 269 



leptodomus 272 



moluccanus 274 



' arthrocnemis 277 



meseres 280 



habrotatus 282 



atopus 285 



Genus Sphaeriodiscus 287 



Sphaeriodlscus scotocryptus 287 



Genus Peltaster 290 



Pelaster cycloplax 290 



Genus Pontioceramus 294 



Pontioceramus grandis 294 



