368 



INDEX TO THE GENERA. 



Philiniscus, 229 

 Phtenus, 224 

 Phleeopoda, 119 

 Philhydrus, 151 

 Philichthys, 273 

 Philine, 69 

 Philobrya, 93 

 Philodina, 300 

 Philodromus, 243 

 Philomelas, 269 

 Philonicus, 254 

 Philonthus, 351 

 Philoscia, 266 

 Philothermus, 171 

 Phloeopola, 119 

 Phlyctasnodes, 194 

 Phlyctenophora, 268 

 Phoebetria, 35 

 Pholadidea, 88 

 Phoracantha, 352 

 Phorbia, 127 

 Phonnosoma, 288 

 Phorocera, 126 

 Phorostichus, 208 

 Phosichthys, 50 

 Phoxichilidium, 247 

 Phoxocephalus, 258 

 Phoxoteles, 203 

 Phreatogammarus, 260 

 Phreatoicus, 265 

 Phreodrilus, 284, 346 

 Phrissogonus, 107 

 Phrixgnathus, 61 

 Phronima, 256 

 Phronira, 206 

 Phroso, 271 

 Phryganostola, 122 

 Phrynixus, 204 

 Phrynus, 246 

 Phycosoma, 239 

 Phycochus, 140 

 Phycosecis, 172 

 Phyllobothrium, 311 

 Phyllodore, 277 

 Phyllodytes, 206 

 Phyllophorus, 287 

 Phyllospongia, 325 

 Phyllotreta, 199 

 Phlcephagosoma, 218 

 Phylosiphonia, 325 

 Phyloxera, 353 

 Phymactris, 315 

 Phymalophoea, 160 

 Phymata, 222 

 Physalia, 318 

 Physcosoma, 285 

 Physeter, 26 

 Physetica, 104 

 Physiculus, 48 

 Physolsethus, 143 

 Physophora, 317 

 Phytilea, 190 

 Picrotus, 167 

 Pilacoslaspis, 197 



Pilumnopeus, 248 

 Pilumnus, 248 

 Pinna, 94 

 Pinnoctopus, 57 

 Pinnotheres, 250, 344 

 Pirates, 223 

 Pisania. 73 

 Pisidium, 91 

 Pison, 98 



Placocephalus, 355 

 Placochalina, 325 

 Placopsilina, 335 

 Placotiochns, 315 

 Places tylus, 59 

 Placunanomia, 95 

 Plagiochceta, 283 

 Plagiogenion, 41 

 Plagiophila, 330 

 Plagusia, 250 

 Plakathrium, 263 

 Planaxis, 76 

 Planchonia, 227 

 Planispirina, 334 

 Planorbis, 66 

 Platalea, 38 

 Platipidia, 173 

 Platurus, 40 

 Platycola, 329 

 Platycoris, 221 

 Platydesmus, 355 

 Platyischnopus, 258 

 Platyonichus, 249 

 Platyomida, 200 

 Platyptilia, 115 

 Platypus, 219 

 Platyscelus, 257 

 Platysoma, 173, 351 

 Platyura, 133 

 Platyzosteria, 234 

 Plaxiphora, 86 

 Plectomorphus, 179 

 Plegadia, 38 

 Pleioplectron, 232 

 Plesionika, 255 

 Pleuraltica, 199 

 Pleurobranchasa, 68 

 Pleurobranchus, 68 

 Pleuronema, 330 

 Pleurotoma, 70 

 Pleustes, 258 

 Plexippus, 244 

 Plociomerus, 222 

 Plotnus, 206 

 Plotus, 39 

 Plumatella, 293 

 Plumularia, 321 

 Plusia, 106 

 Plutella, 123, 350 

 Plutellus, 346 

 Podicipes, 36 

 Podoceropsis, 261 

 Podocerus, 261 

 Podon, 

 Poecilippe, 196 



Pcscilodiscus, 140 

 Pogonorhinus, 218 

 Pogonornis, 28 

 Poliaspis, 226 

 Poliopogon, 323 

 Pollicipes, 274 

 Polycarpa, 56 

 Polycelis, 306 

 Polycentropus, 229 

 Polycheles, 353 

 Polydesmus, 235 

 Polydora, 345 

 Polylobus, 181 

 Polymorphina, 337 

 Polynoe, 276, 345 

 Polyphyllia, 315 

 Polyprion, 40 

 Polystomella, 339 

 Polysyncraton, 55 

 Polyzosterium, 234, 354 

 Pomatoceros, 282 

 Ponera, 97 

 Pontobdella, 285 

 Pontodrilus, 284 

 Pontophilus, 254 

 Pontoscolex, 355 

 Porcellana, 252 

 Porcellanopagurus, 252 

 Porcellidium, 271 

 Porcellio, 354 

 Pordo, 267 

 Porella, 297 

 Porina, 125 

 Porphyrio, 31 

 Porrhotheles, 237 

 Porroa, 277 

 Portunus, 249 

 Porzana, 31 

 Potamides, 77 

 Potaminus, 153, 162 

 Potamopyrgus, 77 

 Pourtalesia, 287 

 Praolepra, 208 

 Prenolepis, 349 

 Priasilpha, 173 

 Priates, 173 

 Primoella, 316 

 Prinino, 257 

 Priocella, 34 

 Priofinus, 34 

 Prion, 35 

 Prionoplus, 191 

 Prionorhynchus, 248 

 Pristacantha, 340 

 Pristancylus, 144 

 Proales, 301 

 Proboltis, 101 

 Procelsterna, 33 

 Procissio, 126 

 Proconus, 217 

 Proctophanes, 351 

 Proctotrupes, 98 

 Prodelphinus, 27 

 Promanus, 172 



