Oncousoecia Canu Bry., Brach. 10 
Ontariocrinus Jaekel Echin. 21 
Oodisiphum Van der Goot Ins. 231 
Ootacamundus Distant Ins. 228 
Operculinella Y abe Plot. 17 
Opharus Bolivar Ins. 245 
Ophiucus Distant Ins. 228 
Ophiurocrinus Jaekel Echin. 21 
Oprohinus Reitter Ins. 127 
Opsigenes Meyriclc Ins. 189 
Oreotlos Ihle Crust. 18 
Orethelcus Reitter Ins. 127 
Ormiophasia Townsend Ins. 211 
Ornataporta Gardner Venn. 24 
Orosius Distant, Ins. 228 
Orthaporia Townsend Ins. 211 
Orthocrema Santschi Ins. 141 
Orthoderina Sjostedt Ins. 242 
Ortholixus Reitter Ins. 127 
Oscinoides Malloch Ins. 215 
Osmiehancs Reitter Ins. 127 
Osphyoplesius Winkler Ins. 121 
Ossidingia Townsend Ins. 211 
Ossipaga Distant Ins. 221 
Ovaticeras Buckman Moll. 54 
Ovocystis Reed Echin. 23 
Oxyaporia Townsend Ins. 211 
Pachygnathcsis Hampson Ins. 171 
Pagurotanais Bouvier Crust. 21 
Paivanana Distant Ins. 228 
*Palaeocarria Cockerell Ins. 239 
Palaeotanypeza Meunier Ins. 215 
Palaeotype Hampson Ins. 163 
Palermocrinus Jaekel Echin. 21 
Palimmecomyia Taylor Ins. 203 
Palpocrinia Kennel Ins. 184 
Paludicoccus Ferris Ins. 223 
Pamora Dyar Ins. 171 
Panacemyia Townsend Ins. 211. 
Pandoracrinus Jaekel Echin. 21 
Pandurista Meyrick Ins. 184 
Pantheon Pic Ins. 117 
Papuanapus Mathews Aves 60 
Paraberticlla Nybclin Verm. 16 
Paracharactis Meyrick Ins. 189 
Paracorythoderus Wasmann Ins. Ill 
Paracrcma Santschi Ins. 141 
Paractocrinus Jaekel Echin. 21 
Paracubaris Collinge Crust. 22 
Paradoxosia Hampson Ins. 163 
Paradunstania Tillyard Tns. 217 
. Paraferonia Casey Ins. 100 
Parafusus Wade Moll. 38 
Paragopsis Matsumura Ins. 208 
Parahomalonotus Reed, Arachn. 5 
Parahypenodes Barnes & McDunnough 
Ins. 171 
Paraleucoptera Heinrich Ins. 189 
Paralopha Casey Ins. 101 
Paralyreus Grouvelle Ins. 109 
Paramacrophya Forsius Ins. 148 
Paramatacliia de Dalmas Arachn. 13 
Parapheropsophus Hubenthal Ins. 101 
Paraptecticus Griinberg Ins. 202 
Parargutor Casey Ins. 101 
Parascopaeus Cameron Ins. 105 
Parascosoecia Canu Bry., Brach. 10 
Paraselwynia Tesch Crust. 16 
Paratachys Casey Ins. 101 
Parathous Fleutiaux Ins. 116 
Paratrichocladius Santos Ins. 198 
Pardalaspis Bezzi Ins. 215 
Pareiorhaphis Ribeiro Pisces 14 
Parexogone Mesnil & Caullery Verm. 
23 
Parinodiceras Trueman Moll. 54 
Parorthocrinus Jaekel Echin. 22 
Parotomys Thomas Mam . 29 
Partetrocycloecia Canu Bry., Brach. 10 
Passeria Martin Ins. 238 
Paternus Distant Ins. 228 
Patinocrinus Jaekel Echin. 22 
Paysandisia Houlbert Ins. 157 
Pectinodiplosis Felt Ins. 196 
Pelecotheca Townsend Ins. 212 
Pentamcrocrinus Jaekel Echin. 22 
Peridiplosis Felt Ins. 196 
Perierpon Bernhauer Ins. 105 
Perissophlebia Tillyard Ins. 238 
Peritryssus Reitter Ins. Ill 
Permochorista Tillyard Ins. 195 
Permofulgor Tillyard Ins. 225 
Permoscarta Tillyard Ins. 225 
Peryphodes Casey Ins. 101 
Petaloclymene Augener Verm. 24 
Phaeosema Houlbert Ins. 157 
Phaeosina Gaede Ins. 163 
Phanoptis Prout Ins. 173 
Phaulothrips Hood Ins. 234 
Phenacoptygma Dali Moll. 28 
Phibalothrips Hood Ins. 234 
Philarga Meyrick Ins. 190 
Philoptila Meyrick Ins. 190 
Phyciodyta Meyrick Ins. 190 
Phyllamphicteis Augener Verm. 24 
Phyllodinarda Wasmann Ins. 105 
Phyllogonostreptus Carl, Myr., Arachn. 
20 
Phyllolabolla Townsend Ins. 212 
Picrotcs Chubb Avos 62 
Piloolum Bolivar Ins. 245 
Pirapion Reitter Ins. 127 
Pirithous Bolivar Ins. 245 
Pityocis Peyerimhojf Ins. 119 
Pityocona Meyrick Ins. 190 
Plagioeria Canu Bry., Brach. 10 
C 16 
(n-5461 t) 
*Plaeocarria, in last year’s Index, was an error. 
