INDEX. 



279 



pellucidum, Hapalosoma .... 181 



peloria, Maretia 246, 248 



Peltaster 52, 53 



pennatifidum, Echinocardium . . 262, 264, 



265, 266 



pentagona, Acrosalenia 53 



pentagonus, Amblypneustes . . . 336 



Echinostrephus . . 342, 383 



Goniopneustes . . . 336 



perezi, Temnopleurus . .311, 312, 313 



Periaster 185 



Pericosmus 160, 161, 164 



Peripatagus 139 



Perisalenia 52, 53 



Peronella 44, 50 



peronii, Laganum 50,54 



Peronella 52, 54 



perspectiva, Encope 73,74 



petersii, Echinosoma . . . 160, 161, 169 



Hygrosoma 169 



Phormosoma .... 169, 196 



phiale, Echinosigra 132 



Pourtalesia 132 



philippii, Abatus 175 



Schizaster 177 



Tripylaster 177 



Tripylus 177 



phoinissa, Salenia 49, 54 



Phormosoma . . 141, 142, 145, 146, 151, 



152, 153 

 Phryssocystis . . . .138, 139, 140, 146 



Phyllacanthus 14, 15 



Phymechinus 281 



Phymosoma 225, 228 



picta, Echinometra . 367, 370, 371, 373 

 pictus, Lytechinus . . . 245, 247, 258 



Psammechinus 258 



Pilemateehinus 119,124 



pileolus, Echinus 282 



Toxopneustes . 259, 282, 283, 284 



placenta, Arachnoides 43 



Echinus 4$ 



Phormosoma . 152, 153, 154, 155, 



156, 157, 158 



placopetalus, Rhinobrissus .... 215 



Rhynobrissus . 214,215,217 



placunaria, Scutella 36, 37 



placunarius, Clypeaster 36 



Plagiobrissus 198, 207 



Plagionotua 



plana, Meijerea l.' t 8 



planulata, Maretia 246,248 



planulatus, Spatangus 246 



planus, Argopatt'gus l/ f 6, 148 



Platybrissua 160, 162 



platytatus, Echinocyamus .... 60, 63 



Plesiantlms 10 



Plesiosalenia 52, 53 



Plesiozonus 139, 145 



Plethotaenia 199, 222 



Pleurechinus 317, 31 S 



Plexechinus 119 



Podocidaris . 64, 65, 67, 73, 78, 80, 381, 



382 



Podophora 366, 367, 376 



pohlii, Parasalenia 368, 369 



polycanthus, Strongylocentrotus 



352, 354, 358, 362 



Porocidaris 3, CI 



porosissimus, Holopneustes . 332, 333, 



334 



Pourtalesia 126, 128,198 



Prionechinus. . .290, 292, 293, 294, 302 



prionigera, Podocidaris 76, 77 



Pygmaeocidaris . . .76, 77 



profundi, Salenia 60 



Salenocidaris . 49, 58, 59, 60 



prostatus, Clypeaster 27 



prostratus, Clypeaster . 21, 22, 24, 27, 37 



Protenaster 160,161 



Protocentrotus 241,272 



provectus, Echinocyamus . . . . 59, 60 



Prymnaster 160, 161 , 171, 172 



Psammechinus . 240, 241, 242, 244, 245, 



279, 339 



Pseudabatus 160 



Pseudechinus 241, 273 



Pseudoboletia 339, 341, 344 



Pseudocentrotus 340, 341 



Pseudolovenia . . 199, , J ',1,258 



Pseudomaretia . . 199, . 249, SSI 



Pseudopedina 211 



Pseudosalenia 52, 53 



Psilechinus 243 



pulchella, Caenopedina . . 215, 217, 223 



Hemipedina 223 



pulchellimus, Salmacopsis . . . 324,383 

 pulchellus, Gymnechinus . . . 286, 287 



