450 



ECHINODERMS OF THE BRITISH ISLES 



Bent hot huria, 378 

 Blastoidea, 9 

 Boiirgueticrinida?, 17 

 Brisaster, 323, 325 

 Brisinga, 123, 125 

 Brisingella, 123, 127 

 Brisingida?, 121, 122 

 Brissopsis, 327, 337 

 Brissus, 326 

 Brittlestars, 10, 145 

 Bythocrinus, 17 



Caenopedina, 277 

 Calveria, 281 

 Caly caster, 134 

 Calymne, 340 

 Calymnida?, 340 

 Camarodonta, 276, 291 

 Cambraster, 49 

 Cassidulidse, 318 

 Cassiduloidea, 268, 317 

 Caulaster, 52 

 Centrechinoidea, 275 

 Centrostephaniis, 277 

 Ceramaster, 80 

 Cidaridas, 270 

 Cidaris, 270, 271 

 Cidaroidea, 268 

 Chaet aster, 95 

 Chaetasteridae, 95 

 Cheilaster, 93 

 Chilophiurae, 156 

 Chiridota, 437 

 Chiridotinffi, 424, 437 

 Cladophiurse, 155, 156 

 Clypeastroidea, 268, 314 

 Coelopleurus, 290 

 Colpaster, 122, 123 

 Comasteridse, 16 

 Comatulids, 16 

 Conolampas, 318 

 Conuliis, 9 

 Coronaster, 129 

 Coscinasterias, 138 

 Cottonspinner, 393 

 Crenaster, 54 

 Cribella, 117 

 Crihrella, 117 

 Crinoidea, 9, 10 

 Crinoids, 9, 10 

 Crossaster, 111 

 Crotalometra, 25 

 Cryodora, 361 

 Cryptaster, 102 

 Crypt opelta, 226 

 Cryptozonia, 49 

 Ctenodiscinae, 53 



Ctenodiscus, 51, 53 

 Cueumaria, 396 

 Cucumariidte, 395 

 Cucumariinae, 395 

 Culcita, 92 

 Gulcitopsis, 92 

 Guvieria, 414 

 Cystidea, 9 



Deima, 371 

 Deimatidae, 359, 371 

 Democrinus, 17, 19 

 Dendrochirota, 358, 394 

 Dermatodiadema, 211 

 Diadema, 277 

 Diadematidae, 278 

 Diadematoidea, 268, 275 

 Dictenophiura, 233 

 Diplopteraster, 102 

 Dorigona, 84 

 Dorocidaris, 271 

 Dytaster, 54, 55 



Echinaster, 117 

 Echinasteridae, 95, 117 

 Echinidie, 292, 293 

 Echinocardium, 327, 330 

 Echinocidaris, 290 

 Echinocorys, 9 

 Echinocucumis, 396, 404 

 Echinocyamus, 315 

 Echinoidea, 10, 254 

 Echinoids, 10, 254 

 Echinolampas, 318 

 Echinosigra, 343, 347 

 Echinosoma, 284 

 Echinothuridae, 211, 218 

 Echinozoa, 9 

 Echinus, 293, 296 

 Elasipoda, 358, 359 

 Eleutherozoa, 9 

 Ellipinion, 366, 368 

 Elpidia, 366 

 Elpidiidffi, 360, 364 

 Elpidiinae, 365 

 Endocyclica, 267 

 Eudiocrinus, 24 

 Euphronides, 373, 374 

 Eupyrgus, 359 

 Euryalae, 156 

 Exocyclica, 267 



Fibulariidae, 315 

 Forcipulata, 49, 121 

 Freyella, 122, 123, 127 

 Freyellaster, 128 

 Freyellidea, 127 



