650 



INDEX OF PROPER NAMES. 



OLIGOCELETA, 218, 251 

 Ommastrephes, 359, 365 

 Onchidium, 316, 364 

 Oniscus, 414, 424 

 ONYCHOPHORA, 475 

 Opalina, 35, 39 

 Ophiactis, 566, 592 

 Ophioderma. 561, 592 

 Ophiolepis, 567, 592 

 Ophiomyxa, 561, 592 

 Ophwthrix, 564, 592 

 Ophiura, 592 

 OPHIURIDA, 569, 592 

 OPHIUROIDEA, 561, 592 

 Opilio, 448, 458 

 OPISTHOBRANCHIA, 310, 364 

 Oractis, 111, 117 

 Orgyia, 516, 527 

 Oribates, 453, 459 

 ORTHONECTIDA, 65 

 ORTHOPTERA, 504, 526 

 OSTRACODA, 391, 423 

 Oslrea, 339, 365 

 Oxyuris, 177, 182 

 Oyster, 339 



Palcemon, 412 

 Palwmonetes, 412, 424 



PALiEOCRINIDA, 551 



PAL/EONEMERTINI, 166, 170 

 Pdlinurus, 421 

 Paludicella, 261, 274 

 Paludina, 307, 364 

 Palythoa, 112, 117 

 Pandarus, 396, 423 

 Panorpa, 514, 527 

 PANORPATA, 514, 527 

 Papilio, 527 

 Param&cium, 35, 39 

 Patella, 305, 364 

 PAUROPODA, 481, 525 

 Pauropus, 482, 525 

 Pecten, 339, 365 

 Pedalion, 195, 200 

 PEDATA, 593 

 Pedicellina, 256, 274 

 Pcdiculus, 510, 527 

 PEDIPALPI, 446, 458 



Pelagia, 103, 117 

 PELECYPODA, 326, 365 

 PELMATOZOA, 551 

 Pemphigus, 511, 527 

 PentKus, 419, 424 

 Penella, 397, 423 

 Pennaria, 87, 116 

 Pennatula, 109, 117 

 Pentacrinus, 542, 592 

 PENTAMERA. 527 

 PENTASTOMID^, 461 

 Pentastomum, 461 

 PerichcRla, 218, 251 

 Peripatus, 474, 525 

 Periplanela, 504, 526 

 PERITRICHA, 39 

 / J erto, 507, 526 

 PEROMEDUS^;, 101, 116 

 Perophora, 627, 639 

 PETALOSTICHA, 582, 593 

 Phagocata, 136, 170 

 PHALANGIDA, 447, 458 

 PJialangium, 448, 458 

 Phascolion, 242, 252 

 Phuscolosoma, 242, 252 

 Philichthys, 397, 423 

 Philodina, 189, 200 

 Phl(olhrips, 510, 526 

 PAotas, 339, 365 

 PHORt)NiD^, 247, 252 

 Phoronis, 247, 252 

 Plwxichilidium, 464 

 Phryganea, 515, 527 

 Phrynm, 446, 458 

 PHYLACTOL^MATA, 261, 274 

 Phyllirhve, 315, 364 

 PHYLLOPODA., 385, 423 

 PJtymanthus, 114, 117 

 PAysa, 316, 364 

 PHYSAPODA, 509 

 Pltytoptus, 454, 458 

 P/erw, 516, 527 

 Pinnotheres, 412. 424 

 Piscicola, 236, 252 

 Plagiostoma, 133, 169 

 Ptanaria, 136, 170 

 Planocera, 136, 170 

 Planorbis, 316, 364 



