14 
INDEX TO NEW GENERA AND SUBGENERA. 
Orthotropis, Jordan^ Ins. 185 
Oslaria, Dyar, Ins. 2 09 
Osmanoceras, Kittl, Moll. 61 
Ostiolum, Pratt^ Verm. 49 
Ostorodias, Distant, Ins. 324 
Otospira, Perner, Moll. 82 
Otoupbepns, Cushmmi, Rept. 29 
Onranion, Kirhaldy, Ins. 319 
Oxycordyla, Topsent, Spong. 21 
Oxycoryphus, Cameron, Ins. 230 
Oxydactylus, Peterson, Mamm. 44 
Oxyopsis, Caudell, Ins. 355 
Oxytoxia, Mahille, Ins. 252 
Pachycerianthus, Roide, Goel. 32 
Pachycrepoideiis, Askmead, Ins. 230 
Pachylister, Lewis, Ins. 146 
Pachynasua, Ameghino, Mamm. 50 
Pachyntheisa, Fowler, Ins. 333 
Pachystrophia, Perner, Moll. 80 
Pachytragus, Schlosser, Mamm. 43 
Pacificana, Hogg, Arachn. 32 
Psediovalgus, Kolhe, Ins. 158 
Pagodea, Perner, Moll. 85 
Paineia, Buckman, Moll. 61 
Paita, Fauvel, Ins. 167 
Paiwarria, Kaye, Ins. 250 
Palseochamseleo, De Stefano, Rept. 
25 
Palseocolpodia, Meunier, Ins. 124 
Palteognoriste, Meunier, Ins. 125 
Palseoheteromyza, Meunier, Ins. 125 
Palseoheterotricha, J/e?«»'er, Ins. 125 
Palaeomantis, Handlirseh, Ins. 125 
Palseomastax, Handlirseh, Ins. 126 
Palseonustus, Perner, Moll. 82 
Palseopalara, Handlirseh, Ins. 125 
Palseorhinus, Williston, Rept. 32 
Palorthopteron, Handlirseh, Ins. 1 26 
Panaphis, Kirkaldy, Ins. 337 
Pancoenia, Meyricl; Ins. 295 
Panilurus, Jacohy, Ins. 194 
Paniscomima, Enderlein, Ins. 212 
Papagoa, Bruner, Ins. 361 
Parabsera, Dognin, Ins. 289 
Parabasis, Bethune-Baker, Ins. 269 
Parabolbocoris, Schouteden, Ins. 318 
Paracamenta, Peringuey, Ins. 154 
Paraceryx, Bethune-Baker, Ins. 262 
Parachetolyga, Bischof, Ins. 309 
Parachkebata, Bruner, Ins. 361 
Parachrysops, Bethune-Baker, Ins. 
250 
Paraclemensia, Busck, Ins. 295 
Paracoelodus, Ameghino, Mamm. 49 
Paracoleoticlnis, Schouteden, Ins. 318 
Paracomuclia, Warren, Ins. 282 
Paracrias, Ashmead, Ins. 230 
Paracrossochilus, Po'pta, Pisces 48 
Paractenodia, Peringiiey, Ins. 171 
Pary.diastylis, Caiman, Crust. 39 
Paradideli)hys, A meghino, Mamm. 50 
Paradohertya, Bethune-Baker, Ins. 
262 
Paradoxodes, Warren, Ins. 282 
Paradoxorhyncha, Chapman, Crust. 
54 
Paragambusia, Meek, Pisces 43 
Parahycenodon, Ameghino, Mamm. 
50 
Paralagena, Ball, Moll. 78 
Paraleptynia, Caudell, Ins. 356 
Paraleucocelis, Preiss, Ins. 158 
Paraliocercyon, Ganglhauer, Ins. 133 
Paralixus, Csiki, Ins. 179 
Paralucia, Waterhouse and Turner, 
Ins. 250 
Paramusonia, Rehn, Ins. 355 
Paramvocastor, Ameghino, Mamm. 
50 
Paramyxine, Dean, Pisces 57 
Paranauchenia, Ameghino, Mamm. 
50 
Paranotropis, Fowler, Pisces 48 
Parantheopsis, McMarrich, Cnel. 32 
Paranthribus, Jordan, Ins. 185 
Parapantilius, Renter, Ins. 328 
Parapelopides, Zang, Ins. 149 
Parapenoeon, Riehardson, Crust. 42 
Paraphnaeus, Thierry-Mieg, Ins. 250 
Paraplesius, Hartmann, Ins. 179 
Para})lodes, Warren, Ins. 282 
Paraprecilocoris, Schouteden, Ins. 318 
Parapoecilophila, Hauser, Ins. 158 
Parapteromalus, Ashmead, Ins. 230 
Paraptorthodius, Scheie fer, Ins. 163 
Pararctotherium, ^/ree^/n'no, Mamm. 
50 
Parasaphes, Ashmead, Ins. 230 
Paraschizognathus, Ohaus, Ins. 156 
Parascina, Stehhing, Crust. 46 
Parascutigera, Verhoeff, Myr. 9 
Parasiro, Hansen and Sorensen, 
Arachn. 37 
Paraspalangia, Ashmead, Ins. 230 
Parasteiromys, Ameghino, Mamm. 
50 
Paratapirus, Depe'ret and Douxami, 
Mamm. 45 
Parategastes, Sars, Crust. 51 
Paratemnus, Ameghino, Mamm. 50 
Paraterobia, Ashmead, Ins. 230 
Paraugaptilus, Wolfoiden, Crust. 51 
Paraulax, Kiefcr, Ins. 235 
Paravonones, Cambridge, Arachn. 38 
