Trivial and Generic Naines. 



27 



oblongus Spatangus, 355 

 oblongus Toxaster (Heteraster),349, 35 1 , 

 355) 356, 357, pi. 40, et errore Toxastus, 



oblongus Trematopyg"us, 262 

 obovatiis Botriopygus, 248, 279, 280 

 obovatus Catopygus, 279 

 obovatus Nucleolites, 279 

 obovatus Pygorhynchus, 279 

 obovatus Pygurus, 279 

 obovata Scutellina, 224 

 obtusus Echinocyamus, 220 

 obtusus Catopygus, 285 

 occitanus Echinocyamus, 225 

 occitana Scutella, 225 

 occitana Sisniondia, 225 , 227 

 occulata Cidaris, 8j 437 

 ocellatus Spatangus, 422 

 Offaster, 329, 333, 336 

 olfersii Echiflobiissus, 272, 273, pi. 30 

 olfersii Nucleolites, 272 

 olfersii Trematopygus, 272 

 oliva Cidaris, 447 

 omalii Spatangus, 416 

 Oolopygus, 286 

 Opechinus, 107 

 oppelli Rhabdocidaris, 438 

 orbiculare Laganum, 228 

 orbicularis Caratomus, 250 

 orbicularis Clypeus, 265 

 orbicularis Echinobrissus, 265 

 orbicularis Echinoconus, 466 

 orbicularis Echinodiscus, 228 

 orbicularis Hemiaster, 385 

 orbicularis Nucleolites, i88a (1858), 189 



(1857), 265 

 orbiculatus Echinanthites, 2Jj_, 316 "■ 

 orbiculatus Pygurus, 315, 489 

 orbignyana Cidaris72o', 39, 40 

 orbignyanus Clypeopygus, 434 

 orbignyana Collyrites, 205 

 orbignyana Desorella, 194, pi. 26 

 orbignyana Desoria, 194 

 orbignyanum Diadema, 68 

 orbignyanus Echinobrissus, 434 

 orbignyanus Echinus, 129 

 orbignyanus Galerites, 185 

 orbignyana Gualtieria, 406, pi. 42 

 orbignyanus Hemiaster, 377, 383 

 orbignyanum Pseudodiadëmâ, 68 

 orbignyanus Pygurus, 310 

 orbignyana Pyrina, 185 

 orbignyana Rhabdocidaris, 40^ 48 



(1856), 437, 442a, pis. I & 8 

 orbignyanus Stomechinus, 129 

 ormoisianus Holectypus, 170 , 171 

 ornatissimum Cyphosomafïï'7 

 ornata Cidaris, 435 

 ornatus Cidarites, 72 

 ornatus Clypeus, 165 

 ornatum Diadema, 70, 72 

 ornatus Eupatagus, 413, 414, 415, pi. 44 

 ornata Pedina, loi 

 ornatum Pseudodiadëmâ, 72 



W 



ornatus Spatangus, 413 



orobus Cidaris, 29, pi. 4 



orthonotus Spatangus, 408 



osiris Conoclypus, 321 



osterVfaldi Clypeus, ry^^ 278 



ovalis Cassidulus, 290 



ovalis Clypeaster, 305 



ovalis Collyrites ringens var., 207 



ovalis Dyaster, 204, 205 



ovalis Echinolampas, 305 



ovalis Galerites, 305 



ovalis Hyboclypus, 431 



ovalis Pyrina, 191 (1858) 



ovalis Spatangites, 203, 206 



ovalis Spatangus, 204 



ovata Ananchytes, 330, 332, pi. 38 



ovatus Botriopygus, 255, 280, pi. 31 



ovata Brissopsis, 380 



ovata Cidaris, \\, 449, 484 ' 



ovatus Conoclypus, 322 ^rVxT^ ( 'yU-^tJs. 



ovatus Echinanthus, 301 l'i 



ovatus Echinocorys, 466 



ovatus Echinocorytes, 330 



ovatus Echinocyamus, 218 



ovatus Echinolampas, 301 



ovata Echinolampas, 322 



ovatus Echinoneus, 218 



ovatus Echinus, 330 



ovatus Galerites, 322 



ovatus Pygaulus, 253 



ovata Pyrina, 190 



ovatus Schizaster, 380 



ovatus Spatangus, 403 



ovifera Cidaris, 2C, 30, 51, 484, pi. 4 



ovifera Hemicidaris, 30 



oviformis Clypeaster, 304, 308, 311 



oviformis Clypeopygus, 271 



oviformis Echinobrissus, 271 



oviformis Echinocyamus, 219 



oviformis Echinolampas, 308 



oviformis foss. Echinoneus, 308 



oviformis Nucleolites, 271 



oviformis Pygurus, 311 



ovulum Catopygus, 285 



ovulum Collyrites, 203, 20^, 210 



ovulum Dysaster, 209 



ovulum Nucleolites, 190, 283 



ovulum Pyrina, 190 (1857-58), 191 



(1858), pi. 26 



ovum Conoclypus, 323 

 ovum Echinolampas, 323 

 ovum Galerites, 323 



Pachyclypus, 163, 195, 196 

 Palaechinus, 157 ' 

 Palaeocidaris, 48 (1855), 153, 154 

 papillata Cidaris, 459 

 papillosus Echinocorys, 332 

 papillosa Galeola, 332 

 paradoxus Echinus, 208 

 parallelus Echinobrissus, 259 

 parallelus Nucleolites, 259 

 parandieri Cidaris, 5, 6, 26, 438, pi. 3 

 paraplesius NucleoTiTes, 267 



