INDEX TO NEW GENERA AND SUBGENERA. 
13 
Pseudalona, Sars, Crust. 47 
Pseudanurida, Schott, Ins. 303 
Pseudapicia, Schaus, Ins. 241 
Pseudo mydura, Siebenrock, Rept. 28 
Pseudenaria, Fairmaire, Ins. 136 
Pseudevadne, Daday, Crust. 47 
Pseudhapigia, Schaus, Ins. 222 
Pseudhyrax, Ameghino, Mamm. 37 
Psedianthe, Fairmaire, Ins. 140 
Pseudocedus, Fairmaire, Ins. 158 
Pseudocentrus, Fairmaire, Ins. 162 
Pseudocyphonistes, Peringuey, Ins. 
138 
Pseudogametes, Bischof, Ins. 269 
Pseudoglossothvris, Buck-man, 
Brach. 12 
Pseudogonatium, Strand, Arachn. 
38 
Pseudolaophonte, Scott, Crust. 51 
Pseudolomacantha, Hendel, Ins. 271 
Pseudolotelus, Pic, Ins. 151 
Pseudomesomphalia, Spceth, Ins. 
169 
Pseudoneaera, Sturany, Moll. 96 
Pseudoniphargus, Chevreux, Crust. 
41 
Pseudopachyrucos, A meghino, 
Mamm. 37 
Pseudopharus, Hampson, Ins. 222 
Pseudophymatodes, Pic, Ins. 162 
Pseudopigritia, Dietz, Ins. 255 
Pseudopileus, Loriol, Ech. 82 
Pseudoplocoscyphia, Schrammen, 
Spong. 33 
Pseudoponera, Emery, Ins. 186 
Pseudopterocheilus, Perkins , Ins. 
177 
Pseudostylops, Ameghino, Mamm. 
37 
Pseudosyrichthus, 
138 
Peringuey, Ins. 
Pseudotrimerotropis, Rehn, Ins. 309 
Pseudoxus, Thor, Arachn. 46 
Psevdoxyperas, Sacco, Moll. 98 
Pseudozosterops, Finsch, Aves 70 
Psilachnopus, Reitter, Ins. 149 
Psilocaulus, Fairmaire, Ins. 157 
Psilosema, Kieffer, Ins. 197 
Psorocampa, Schaus, Ins. 222 
Psorosticha, Lower, Ins. 255 
Psyllomima, Bedel, Ins. 169 
Pterinopelma, Pocock, Arachn. 38 
Pterocomodes, Reitter, Ins. 149 
Pteroderes, Germain, Ins. 149 
Pterotes, Berg, Ins. 222 
Ptyonocera, Hampson, Ins. 249 
Pupinidius, Moellendorff, Moll. 78 
Pycnobathra, Lower, Ins. 255 
Pycnodontia, Warren, Ins. 242 
Pycnoglossa, Coquillett, Ins. 274 
Pycnosoma, Brauer, Ins. 271 
Pyrgo, Weise, Ins. 169 
Pyrgometopa, Kertesz, Ins. 274 
Pyroglossa, Bernhauer, Ins. 124 
Pyrrhopygopsis, Godman , Ins. 210 
Rabduchopetalum, Verhoef, Myr. 15 
Parana, Godwin-Austen, Moll. 72 
Rethia, Thery, Ins. 140 
Rhamphocoris, Kirkaldy, Ins. 283 
Rhinochimeera, Garman, Pisces 36 
Rhinomelania, Martens, Moll. 89 
Rhipidocystis, Jaekel, Ech. 98 
Rhipidothuria, Heiouard, Ech. 68 
Rhizomolgula, Reitter, Tun. 5 
Rhizoplatodes, Peringuey, Ins. 138 
Rhodiginus, Distant, Ins. 281 
Rhodocentris, Friese, Ins. 176 
Rhodochrysa, Ha/mpson, Ins. 249 
Rhombomya, Sacco, Moll. 97 
Rhopalomutilla, Andre, Ins. 180 
Rhoptromyrmex, Mayr, Ins. 186 
Rhyacichthys, Boulenger, Pisces 22 
Rhyacodrilus, Bretscher, Vermes 38 
Rhynchorhinus, Woodward, Pisces 
34 
Rhyssemorphus, Clouet, Ins. 134 
Rhytidopoma, Sykes , Moll. 91 
Rhytimorpha, Szepligeti, Ins. 193 
Ricardolydekkeria, Ameghino, 
Mamm. 37 
Ricardowenia, Ameghino, Mamm. 
37 
Ridleya, Ancey, Moll. 73 
Rincodes, Scluius, Ins. 223 
Rcederiodes, Coquillett, Ins. 266 
Rovasendia, Airaghi, Ech. 83 
Rusciculus, Greeley, Pisces 21 
Rutimeyeria, Ameghino, Mamm. 37 
Rutrophora, Schnuse, Ins. 257 
Sagamia, Jordan and Snyder, Pisces 
22 
Saitidops, Simon, Arachn. 38 
Saldoida, Osborn, Ins. 283 
Saldoides, Breddin, Ins. 282 
Salinaria, Piagonot, Ins. 250 
Salluca, Schaus, Ins. 223 
Saproecius, Peringuey, Ins. 134 
Sarcionus, Aldrich, Ins. 267 
Sarntheinia, Dalla Torre 1 Ins. 191 
Saulcyella, Reitter, Ins. 126 
Scabellia, Ameghino , Mamm. 37 
Scaphiostomum, Braun, Vermes 53 
