15 
Odontoscirus Thor Arachn. 43 
Odontosema Warren Ins. 358 
Odontothoca Levinson Cool, 16 
Odurella Mathews Avcs 102 
Oedosmylus Kruger Ins. 397 
Oedurella Lonnberg & Andersson Rept. 
23 
Oenopsitfcacus Reichenow Aves 107 
Ogeria Distant Ins. 440 
Ogkosoma Haupt Ins. 290 
Ograodirus W illiston & Moodie Rept. 26 
Oionchus Cobb Verm. 38 
Olibrinus Budde-Lund Crust. 37 
Oligosmylus Kriiger Ins. 397 
Oloplotosus Weber Pisces 31 
Oluspa Cameron Ins. 305 
Oma Spaeth Ins. 205 
Omalaspoidcs Iledic-ke Ins. 321 
Ommatocephcus Berlese Arachn. 39 
Omobathus Raff ray Ins. 211 
Omphalomomyia Giraidt Ins. 305 
Omphalomorpha Girault Ins. 305 
Onigocia Jordan & Thompson Pisces 42 
Qoderelloides Giraidt Ins. 305 
Oooidicera Beclcer Ins. 412 
Opheliminus Girault Ins. 305 
Ophidotaenia Beddard Verm. 31 
Ophryastcr Spencer Echin. 41 
Ophrythyreocis Lea Ins. 245 
Ophthalmamycterus Ferguson Ins. 245 
Ophthalmolycus Regan Pisces 40 
Opisthocheiron Ribaut Myr., Arachn. 
51 
Opistlioncana Strand Arachn. 32 
Oporophylla Ilampson Ins. 359 
Orbollis Distant Ins. 434 
Oroagrion Ris Ins. 459 
Orcssaula Turner Ins. 377 
Orguesia Roewer Arachn. 35 
Oribremia Kieffer Ins. 400 
Orientoraysis Derzhavin Crust. 34 
Orientotheronia Morley Ins. 291 
Origmatogona Ribaut Myr., Arachn. 51 
Origmella Mathews Aves 117 
Oristicta Tillyard Ins. 459 
Orlandisa Navas Ins. 397 
Ormyromorpha Girault Ins. 305 
Orodictya Kirkaldy Ins. 444 
Oromyia Alexander Ins. 409 
Orothyntis Meyrick Ins. 387 
Orphnidius Benderitter Ins. 221 
Orthobalanus Hoelc Crust. 47 
Ortliocryptus Viereck Ins. 291 
Orthooyrtus Heller Ins. 245 
Orthodiplosis Kieffer Ins. 400 
Ortholeptura Casey Ins. 257 
Orthoruza Warren Ins. 359 
Orthostegana Ilendel Ins. 420 
Orthostemarchus Ellis Pisces 29 
Oruzodes Warren Ins. 359 
Osmylinus Banks Ins. 397 
Osmylops Banks Ins. 397 
Ostorodiasoides Distant Ins. 440 
Otomops Thomas Marnm. 40 
Ototettix Oshanin Ins. 444 
Oulenotacris Rehn Ins. 467 
Ovatus Van der Goot Ins. 447 
Oviedus Navas Ins. 397 
Ovoplasma Raadt Prot. 49 
Oxoplecia Wilson Brach. 7 
Oxydactyla van Kempen Rept. 29 
Oxydiscus Meijere Ins. 409 
Oxyleucophenga Hendel Ins. 426 
Oxynaia Haas Moll. 85 
Oxytrita Warren Ins. 359 
Ozobia Kieffer Ins. 400 
Pachybruchus Pic Ins. 260 
Pachydiplosis Kieffer Ins. 400 
Pachygenelus Watson Rept. 28 
Pachylibunus Roewer Arachn. 35 
Pachyneutfonella Girault Ins. 305 
Pachyossa Rehn Ins. 467 
Pachyporopterus Lea Ins. 246 
Pachytomoidella Girault Ins. 305 
Pachytomoides Giraidt Ins. 30(5 
Paduniella Umer Ins. 391 
Pagetopsis Regan Pisces 39 
Pagoa Mathews Aves 102 
Palaeobuthus Petrunkevitch Arachn. 25 
Palaeodes Hampson Ins. 377 
Palaeopecten Williams Moll. 81 
Palaeophasianus Shufeldt Aves 97 
Palacopisthaeanthus Petrunkevitch 
Arachn. 25 
Palacoplusia Hampson Ins. 359 
Palacoryctcs Matthew Mamm. 41 
Palintropa Meyrick Ins. 387. 
Palmenia Luther Verm. 28 
Palmyreuphrosyne Fauvd Verm. 47 
Pamphoria Regan Pisces 35 
Pamphorichthys Regan Pisces 35 
Pancarpius Bondroit Ins. 209 
Pandinops Birula Arachn. 25 
Panema Navas Ins. 397 
Panicotricha Meyrick Ins. 387 
Panimerus Eaton Ins. 400 
Panscopidius Pierce Ins. 246 
Panteliola Kieffer Ins. 400 
Pantilcma Aurivillius Ins. 257 
Panturichthys Pdlegrin Pisces 34 
Papuagrion Ris Ins. 459 
Parabalta Roewer Arachn. 36 
Parabroteas Penther Arachn. 25 
Paracerceris Brcthes Ins. 278 
Parachalciope Hampson Ins. 359 
Paracharitopus Brcthes Ins. 306 
Faracimex Kiricenko Ins. 440 
