1G 
INDEX TO NEW GENERA AND SUBGENERA. 
Ptychospira. Hull and Clarke , 
Brach. 6 
Ptyoiulus, Cooky Myr. 26 
Ptyorhyncha, II amp son, Ins. 305 
Ptysmaphora, Scudder , Ins. 113 
Pudicitia, Nic6ville, Ins. 286 
Pugnax, Hall and Clarke , Brach. 6 
Pugnellia, Oppenhehn , Moll. 74 
Pugnus, Hedley , Moll. 65 
Purussaurus, Rodrigues , Kept. 28 
Pycnanthus, HcMurrich, Coel. 27 
Pycnaxis, Simon , Arachn. 48 
Pycnocephalus, Kraatz, Ins. 137 
Pycnopegma, Bat//', Spong. 16 
Pygmseochelys, Laube, Kept. 29 
Pygoptosia, Reitter , Ins. 214 
Pygurostoraa, Cotteau and Gau- 
thier , Ech. 47 
Pylopagurus, Milne- Edwards and 
Bouvier , Crust. 35 
Pyrochlora, IParren, Ins. 315 
Rama, Boehm , Moll. 75 
Raphiptera, Hampson, Ins. 324 
Reteporella, Simpson , Bry. 5 
Retocomus, Casey , Ins. 180 
Retropluma, (7/ZZ, Crust. 32 
Reussia, Neviani , Bry. 6 
Reussiua, Neviani , Bry. 6 
Rhabdiodus, Rohon , Pisces 41 
Rhabdocnemis, Faust, Ins. 197 
Rhachodesmus, Myr. 17 
Rhadinocrinus, Jaelcel , Ech. 67 
Rhaphidiopsis, Scudder, Ins. 112 
Rhaphidoscene, Jennings, Prot. 27 
Rhaphidothrips, CM, Ins. 373 . 
Rhadinopus, Faust, InS. 197 
Rhicnophlcea, Gerstaecker, Ins. 357 
Rhinacosmus, Kraatz , Ins. 150 
Rhinoligia, Warren , Ins. 315 
Rhinoprora, Warren, Ins. 315 
Rhinoscythropus, Desbrochers , Ins. 
197 
Rhinospathus, Desbrochers, Ins. 
197 
Rhinotus, Cook , Myr. 16 
Rhipidothrips, Uzel, Ins. 373 
Rhodobates, Ragonot , Ins. 328 
Rhoecocoris, Bergroth , Ins. 348 
Rhomboptera, Brunner, Ins. 386 
Rhopalomyia, Williston, Ins. 345 
Rhopolocera, Ganglbauer, Ins. 129 
Rhymbocochlias, Moellendorf, Moll. 
Rhynchomys, Thomas, Mamm. 31 
Rhynchomyzon, Giesbrecht, Crust. 
46 
Rhynchoneus, Sharp, Ins. 203 
Rhynchoproctus, Focock , Myr. 27 
Rhynchotrochus, Moellendorff. 
Moll. 56 
Rhysodesmus, Cook, Myr. 22 
Rhytidopilus, Cossmann, Moll. 62 
Rhytidura, Thorell, Arachn. 48 
Rhyzodiastes, Fairmaire, Ins. 137 
Rodiotherium, Ameghino, Mamm. 
36 
Rodonograptus, Pocta, Coel. 25 
Rognacia, Oppenheim, Moll. 74 
Rossiteria, Brazier , Moll. 76 
Rothpletzella, Boehm, Moll. 76 
Ruscarius, Jordan and Starks, 
Pisces 24 
Sagenichthys, Berg , Pisces 22 
Sagephorus, Brunner, Ins. 386 
Sahlbergella, Haglund, Ins. 355 
Salpidema, Alluaud, Ins. 175 
Sampsonocrinus, Miller, Ech. 67 
Sandy tes, Casey, Ins. 180 
Sangalopsis, Warren, Ins. 315 
Saniderus, Fauvel, Ins. 129 
Saphirella, Scott, Crust. 46 
Sapintus, Casey, Ins. 180 
Sardoides, Jacoby , Ins. 224 
Sassacus, Beckham, Arachn. 31 
Scanylus, Casey , Ins. 180 
Scaphops, Ameghino , Mamm. 36 
Scaptesylix, Hampson , Ins. 298 
Scarposa, Uhler , Ius. 358 
Schustasaurus, Merriam , Rept. 29 
Schausia, Karsch, Ins. 298 
Schizocystis, Jaekel, Ech. 69 
Schizophyllum, Verhoeff, Myr. 26 
Schizotaenia, Cook , Myr. 12 
Schochia, Brunner , Ins. 386 
Schylus, Broun, Ins. 198 
Scioberetia, Bernard , Moll. 81 
Sclerolips, Faust, Ins. 198 
Sclerosolenocaulon, Germanos, Coel. 
31 
Scoliaula, Meyrick , Ins. 328 
Scoliocrinus, Jaekel , Ech. 67 
Scolodesmus, Cook, Myr. 21 
Scolytomimus, Blandford, Ins. 201 
Scolytoproctus, Faust, Ins. 198 
Scopticus, Simon, Arachn. 48 
Scotinesthes, Fairmaire , Ins. 173 
Scotomerodes, Ragonot , Ins. 324 
Scutellaster, Cragin, Ech. 48 
Scymnillus, Horn, Ins. 229 
Scytodesmus, Cook, Myr. 18 
Scytosoma, Reitter, Ins. 173 
Sebastia, Warren, Ins. 315 
Sedasta, Simon, Arachn. 44 
Selenotypus, Pococ/c, Arachn. 27 
