INDEX. 



199 



Myxospongida, 14 



Myxosporidiida, 2 

 Myzostoma, 70 

 Myzostomida, 70 



Narcomedus^, 18 

 Nautilus, 91, 123 

 Nebalia, 124 

 Nemathelminthes, 46 

 Nematoda, 46 

 Nemertinea, 36, 44 

 Neo-crinoidea, 55 

 Neomenia, 90 

 Neosporidia, 2 

 Nereis, 70, 71 

 Neuroptera, 127 

 Noctiluca, 2, 8 

 Nucula, 89 



Obelia, 18, 22 

 Octopoda, 91 

 Octopus, 91, 123 

 Oligochaeta, 70 

 Oniscus, 142 

 Onychophora, 126 

 Ophiura, 54, 60 

 Ophiurida, 54 

 Ophiuroidea, 54, 60 

 Opisthobranchia, 90 

 Orbicella, 19, 32 

 Orthoptera, 127 

 Osoarella, 14 

 Ostracoda, 124 

 Ostrea, 89, 103 

 Oxytricha, 3, 13 

 Oyster, 103 



Paramecium, 3, 10 

 Parypha, 18, 24 

 Patella, 90 

 Pauropoda, 127 

 Pauropus, 127 

 Pecten, 89, 94 101 



Pectinatella, 50, 52 

 Pectinibranchia, 90 

 Pedata, 55 

 Pedicellina, 50 

 Pediculus, 127 

 Pedipalpida, 125 

 Pennaria, 24 

 Pennatula, 19 

 Pennatulacea, 19 

 Pentacrinus, 55 

 Peranema, 2, 7 

 Pericolpa, 19 

 Peridium, 2 

 Peripatus, 126 

 Periplaneta, 127 

 Peritromus, 3 

 Peromedusae, 19 

 Perophora, 164, 168 

 Petasus, 18 

 Phacus, 7 

 Phalangida, 126 

 Phalangium, 126 

 Phanerozonia, 54 

 Phascolosoma, 70, 86 

 Philampelus, 127 

 Phoronida, 50 

 Phoronis, 50 

 Phoxichilidium, 126, 152 

 Phrynus, 125 

 Phylactolaemata, 50 

 Phyllapoda, 124 

 Phyllocarida, 124 

 Physalia, 18, 27 

 Placophora, 89 

 Planaria, 35, 36 

 Planocera, 35, 39 

 Platyhelminthes, 35 

 Platysamia, 127 

 Pleurobrachia, 20 

 Pleurotricha, 3, 13 

 Plumatella, 50, 52 

 Plumularia, 23 

 Podophyra, 3 



