10 
Neoxybasius Kolbe Ins. 130 
Nephopteropsis Townsend Ins. 230 
Nephotheryx Navas Ins. 252 
Nesocaedius Kolbe Ins. 120 
Nesococcus Ehrhorn Ins. 247 
Nesogermalus Bergroth Ins. 237 
Nesophontes Anthony Mam. 35 
Neumannella Trouessart Arachn. 28 
Neurocyta Navas Ins. 213 
Nipponorthezia Kuwana Ins. 247 
Nipteraxis Cossmann Moll. 34 
Nisteus Navas Ins. 215 
Nobra Navas Ins. 215 
Nomerobius Navas Ins. 215 
Nomina Durrant Ins. 209 
Noordodes Hampson Ins. 200 
Nododelphinula Cossmann Moll. 38 
Norwwoodia Walcott Arachn. 7 
Nothifixis Navas Ins. 254 
Nothognathus Marshall Ins. 128 
Notoaeschna Tillyard Ins. 254 
Notoblattites Tillyard Ins. 255 
Notocolletes Cockerell Ins. 141 
Notosudis Waite Pisces 19 
Nuculoidea Williams & Breger Moll. 
48 
Nuvol Navas Ins. 215 
Nycterophilia Ferris Ins. 236 
Nyctimystes Steineger Kept. 14 
Nyctipolia Schaus Ins. 187 
Occator Distant Ins. 242 
Ochrocera Townsend Ins. 230 
Ochromelinda Villeneuve Ins. 231 
Ocnerioxa Speiser Ins. 235 
Ocypterodes Townsend Ins. 231 
Ocypteromima Townsend Ins. 231 
Ocypteropsis Townsend Ins. 231 
Odontohydrachna Thor Arachn. 28 
Odontorotha Hampson Ins. 187 
Odontosoma Townsend Ins. 231 
Oedematocera Townsend Ins. 231 
Oedematopteryx Townsend Ins. 231 
Oedimetopia Front Ins. 195 
Oidemastis Schaus Ins. 187 
Okea Townsend Ins. 231 
Oligonicolla Qiglio-Tos Ins. 258 
Oligotopora Lang Bry., Brack. 1 1 
Oloiphis Berlese Arachn. 25 
Olouropoda Berlese Arachn. 25 
Omacrus Bergroth Ins. 237 
Onkelos Distant Ins. 240 
Onodiplosis Felt Ins. 217 
Onosandrus Peringuey Ins. 261 
Oocarpais Berlese Arachn. 25 
Oomela Lea Ins. 136 
Oospiloma Prout Ins. 195 
Ophiodesma White Ins. 222 
Opisthornithopora Lang Bry., Brack. 
Opisthozemius Kolbe Ins. 130 
Opistonema Pierantoni Verm. 24 
Opsomantis Qiglio-Tos Ins. 258 
Orcheocystis Trinci Prot. 23 
Oreophyto Townsend Ins. 231 
Ormomantis Qiglio-Tos Ins. 258 
Ornithomusca Townsend Ins. 231 
Ornopsis Wade Moll. 30 
Oromys Robinson & Kloss Mam. 41 
Orria Walcott Arachn. 7 
Osidryas Meyrick Ins. 210 
Otinotoides Distant Ins. 242 
Otoperca Boulenger Pisces 22 
Otopora Lang Bry., Brach. 11 
Otostephanus Milne Verm. 27 
Ovirissoa Hedley Moll. 34 
Oxybasius Kolbe Ins. 130 
Oxybiella Tillyard Ins. 215 
Oxyfulcinia Giglio-Tos Ins. 258 
Oxylychna Meyrick Ins. 210 
Oxymedoria Villeneuve Ins. 231 
Oxyzyngonectes Fowler Pisces 21 
Pachycoa Hampson Ins. 187 
Pachygonosaurus Huene Rept. 13 
Pachylaella Berlese Arachn. 25 
Pachysomites Cockerell Ins. 235 
Pachysomoides Strand Ins. 150 
Pagetia Walcott Arachn. 7 
Palaeochenoides Shufeldt Aves 56 
Palaeonyssia Harrison Ins. 195 
Palimmeces Turner Ins. 210 
Palthisomis Schaus Ins. 187 
Panarenia Schaus Ins. 187 
Pancheilopora Lang Bry., Brach. 11 
Paphnutius Distant Ins. 243 
Parabrachelia Townsend Ins. 231 
Parabyrsopolis Ohaus Ins. Ill 
Paracalliphora Townsend Ins. 231 
Paracis Railliel & Henry Verm. 24 
Paracoelocyba Qiraull Ins. 157 
Paracopidosomopsis Qirault Ins. 157 
Paracordyloporus Brolemann Myr., 
Arachn. 31 
Paracotalpa Ohaus Ins. Ill 
Paracymatodus Bogoliubov Pisces 15 
Paracynictis Pgcock Mam. 36 
Parademofcicus Toivnsend Ins. 231 
Paradinonemertes Brinkmann Verm. 20 
Paradinychus Berlese Arachn. 25 
Paradionaea Townsend Ins. 231 
Paradrymus Bergroth Ins. 237 
Parafilumis Casey Ins. 107 
Paragnathia Cooper Crust. 20 
Paragoniocotes Cummings Ins. 251 
Paragraphus Blatchley & Leng Ins. 
128 
Parargyrops Tanaka Pisces 23 
Paraheterodoxus Harrison & Johnston 
Ins. 251 
