INDEX TO THE GENERA. 



Promethichthys, 43 

 Prophila, 129 

 Prorhynchus, 306 

 Prorodon, 331 

 Prosacantha, gg 

 Proscoporhinus, 220 

 Proselena, 116 

 Prosaprognus, 144 

 Prosopis, 96 

 Prosthecerasus, 306 

 Prosthemadera, 28 

 Protarphius, 170 

 Protelater, 154 

 Proteodes, 118 

 Proternia, 115 

 Proterocossa, 121 

 Prothelymna, 117 

 Protithona, 116 

 Protocaulon, 316 

 Protolobus, 201 

 Protoparnus, 153, 162 

 Protophormus, 200 

 Protosquilla, 256 

 Protosynasma, 122 

 Prototroctes, 50 

 Protula, 282 

 Psammobia, 88 

 Psammopemma, 324 

 Psammosphaera, 334 

 Pselactus, 218 

 Pselaphus, 177 

 Psephoboragus, 153 

 Psepholax, 211 

 Pseudagenia, 97 

 Pseudsega, 262 

 Paeudocalliprason, 192 

 Pbeudococcus, 228 

 Pseudoeconesus, 228 

 Pseudogerygone, 28 

 Pseudolabrus, 47 

 Pseudonema, 228 

 Pseudopatrum, 185 

 Pseudopentaceros, 41 

 Pseudophycis, 48 

 Pseudopsolus, 287 

 Pseudorca, 27 

 Pseudoreda, 211 

 Pseudosemnus, 192 

 Pseudosyllis, 276 

 Psiiaster, 291 

 Psilochoremus, 229 

 Psilocnreia, 195 

 Psilodontria, 140 

 Psilomorpha, 193 

 Psilopus, 130 

 Psilotricha, 328 

 Psorochroa, 156 

 Psychoda, 138, 350 

 Ptenidium, 167 

 Pteraclis, 44 

 Pterodina, 302 

 Pterolichus, 246 

 Pteromalus, 99 

 Pterophorus, 115 



Pteropterix, 99 

 Pterostichus, 145, 342 

 Ptinella, 168 

 Ptinus, 161, 352 

 Ptychodon, 61 

 Ptychopterus, 193 

 Puffinus, 34 

 Pulex, 138, 350 

 Pullenia, 338 

 Pulvinaria, 349 

 Pulvinulina, 338 

 Purpura, 71 

 Pycnocentra, 228 

 Pycnomerodes, 171 

 Pycnomerus, 171, 342 

 Pygoscelis, 36 

 Pyralis, 349 

 Pyramidella, 74 

 Pyrgotis, 116 

 Pyronota, 140 

 Pyrosoma, 56 

 Pyrrha, 63 

 Pyxicola, 329 



QUEDIUS, 182, 351 



RACHIDISCUS, 205 

 Rasta, 90 

 Raia, 53 

 Ranfurlyea, 341 

 Rattulus, 301 

 Realia, 78 

 Recurvirostra, 32 

 Recyntus, 170 

 Regalicus, 47 

 Rembus, 143 

 Remora, 45 

 Reophax, 335 

 Resania, 90 

 Rethusus, 164 

 Retipora, 296 

 Retropinna, 51 

 Reuda, 223 

 Rhabdamina, 335 

 Rhabdinosomus, 203 

 Rhamphidia, 136 

 Rhantus, 151 

 Rhaphidophlus, 

 Rhaphidozoom, 339 

 Rhaphiodophlus, 324 

 Rhapsa, 106 

 Rhenia, 65 

 Rhinanisus, 217 

 Rhinocola, 225 

 Rhinorhynchus, 210 

 Rhinoscopelas, 50 

 Rhipidodendron, 333 

 Rhipidogorgia, 316 

 Rhipidura, 28 

 Rhipisterna, 191 

 Rhizobius, 353 

 Rhizococcus, 227 



Rhizonium, 170 

 Rhododrilus, 284 

 Rhogas, 99 

 Rhombocyttus, 45 

 Rhombosolex, 48 

 Rhopalimorpha, 221 

 Rhopalium, 98 

 Rhynchogonus, 201 

 Rhynchonella, 293 

 Rhynchophora, 298 

 Rhyneodes, 215 

 Rhynorhynchus, 210 

 Rhypha, 135 

 Rhypholopus, 136 

 Rhyssa, 102 

 Rhyssodes, 167 

 Rhytida, 65 

 Rhytiodontus, 170 

 Rhytisternus, 147, 351 

 Rhyzonium, 170 

 Ricania, 353 

 Ripersia, 227 

 Risella, 79 

 Risellopsis, 79 

 Rissoia, 77 

 Rissoina, 78 

 Rotalia, 338 

 Rotifer, 300 

 Ruppeloides, 248 

 Rygmodus, 152, 342 

 Rystheus, 206 



SABELLA, 281 

 Sacina, 174 

 Sagartia, 314 

 Sagephora, 124 

 Sagola, 178 

 Sagolonus, 179 

 Salda, 223 

 Salenia, 288 

 Salius, 97 

 Salmacis, 288 

 Salmo, 348 

 Salpa, 56 

 Salpingoeca, 331 

 Salpingus, 189 

 Salticus, 244 

 Salltius, 166 

 Samana, no 

 Saphobius, 139 

 Saphophagus, 167 

 Saphydrus, 152 

 Sapphirina, 272 

 Saprinus, 173 

 Sapromyza, 128 

 Sarcophaga, 350 

 Sarda, 45 

 Sargon, 343 

 S.iropogon, 131 

 Sa:-->ii'lla, 269 

 SaxitMva, 88 

 Scalaria, 80 



i, 281 



B B 



