12 
Ophiotitanos, Spencer, Echin. 26 
Ophthalmochlus, Pierce, Ins. 278 
Opimia, Wilson, Crust. 55 
Opiopterus, Szepligeti, Ins. 299 
Opisoplatia, Seitz, Ins. 327 
Oreocys, Peyerimhoff , Ins. 217 
Oribella, Berlese, Arachn. 41 
Oritoniscus, Racovitza, Crust. 45 
Ornithopsylla, Rothschild, Ins. 392 
Oroniscus, Verhoeff, Crust. 45 
Oropeza, Needham, Ins. 372 
Oroplexia, Hampson, Ins. 338 
Orphanyasmus, Heller, Ins. 261 
Orphnebioidea, Schubert, Ins. 224 
Orthodromus, Ehlers, Verm. 45 
Orthognat liella, Szepligeti, Ins. 295 
Ortliomerinus, Champion, Ins. 261 
Orthogonica, Hampson, Ins. 338 
Orthostolus, Sharp, Ins. 232 
Oryctocara, Walcott, Arachn. 7 
Osmylidia, Cockerell, Ins. 363 
Otocrania, Redtenbacher, Ins. 425 
Ozopemon, Hagedorn, Ins. 265 
Oxycalanus, Farran, Crust. 55 
Oxyligyrus, Arrow, Ins. 241 
Oxypria, Kieffer, Ins. 304 
Oxytelodes, Bernhauer, Ins. 224 
Oxyuropoda, Carpenter & Swain, Crust. 
41 
Pachybracon, Cameron, Ins. 299 
Pachyoryctes, Arrow, Ins. 241 
Pachyprosopis, Perkins, Ins. 283 
Pachysaurus, Huene, Rept. 30 
Pachyscia, Redtenbacher, Ins. 425 
Paedoclione, Danforth, Moll. 98 
Pagana, Budde-Lund, Crust. 45 
Palaemysis, Peach , Crust. 40 
Palaeolecanium, Side, Ins. 411 
Palaeopharus, Kittl, Moll. 115 
Palaeophichthys, Eastman, Pisces 50 
Palaeorehnia, Cockerell, Ins. 429 
Palaeorhiza, Perkins, Ins. 283 
Palaeotaxonus, Rohwer, Ins. 308 
Palaeotimia, Meunier, Ins. 389 
Palaevagrus, Simon, Arachn. 28 
Palliscyproea, Cossmann, Moll. 88 
Palmatogecko, Andersson, Rept. 27 
Palmerella, Cameron, Ins. 296 
Palustria, Dybowski, Moll. 103 
Pameridea, Reuter, Ins. 399 
Pananoratha, Bethune- Baker, Ins. 338 
Panocochlea, Dali, Moll. 88 
Panurothrips, Bagnall, Ins. 413 
Parabactridium, Redtenbacher, Ins. 425 
Paracalyptrophora, Kinoshita, Coel. 
. 26 
Paracentema, Redtenbacher, Ins. 425 
Paraceratias, Tanaka, Pisces 39 
Paracharactus, Macgillivray, Ins. 308 
Parachnocoris, Reuter, Ins. 397 
Paraclara, Bezzi, Ins. 385 
Paracordulia, Martin, Ins. 417 
Paracydas, Bethune- Baker, Ins. 328 
Paracyphocrania, Redtenbacher, Ins. 
425 
Paradactylophorosoina, Attems, Myrio- 
poda, Arachn. 51 
Paradaria, Kusnezov, Ins. 350 
Paradexodes, Townsead, Ins. 385 
Paradiacantha, Redtenbacher, Ins. 425 
Paradiplosis, Felt, Ins. 368 
Paradrallia, Bethune- Baker, Ins. 328 
Parafischeria, Townsend, Ins. 385 
Paragattya, Warren, Coel. 21 
Paragreenia, Cockerell, Arachn. 41 
Paragryon, Kieffer, Ins. 304 
Parakanchia, Bethune- Baker, Ins. 328 
Paralabidocera, Wolfenden, Crust. 55 
Paralaelaps, Triigdrdh, Arachn. 42 
Paralauxania, Hendel, Ins. 389 
Paraleucochromus, Kolbe, Ins. 262 
Paarlicella, Chevreux, Crust. 49 
Paralistroscelis, Carl, Ins. 429 
Paralopha, Bethune- Baker, Ins. 338 
Paramblynotus, Cameron, Ins. 306 
Paramecyna, Aurivillius, Ins. 268 
Paramenexenus, Redtenbacher, Ins. 
425 
Paramidobia, Bernhauer, Ins. 224 
Paramoron, Aurivillius, Ins. 268 
Paramyronides, Redtenbacher, Ins. 425 
Paranaphora, Townsend, Ins. 385 
Paranaspides, Smith, Crust. 40 
Parandroeme, Aurivillius, Ins. 268 
Paranecrosia, Redtenbacher, Ins. 425 
Paranevisanus, Dista?it, Ins. 394 
Paraortyx, Gaillard, Aves 111 
Parapelosia, Bethune- Baker, Ins. 328 
Paraphiloscia, Verhoeff, Crust. 45 
Parapsaenythia, Friese, Ins. 283 ■ 
Pararasbora, Regan, Pisces 47 
Parargissa, Chevreux, Crust. 49 
Pararguda, Bethune- Baker, Ins. 328 
Parascaptia, Bethune- Baker, Ins. 328 
Parasilusa, Bernhauer, Ins. 224 
Parasipyloidea, Redtenbacher, Ins. 425 
Parasosibia, Redtenbacher, Ins. 425 
Parastenoniscus, Verhoeff, Crust. 45 
Parasterina, Fisher, Echin. 25 
Parastheneboca, Redtenbacher, Ins. 425 
Parastylops, Meijere, Ins. 278 
Parataxonus, Macgillivray, Ins. 308 
Paratrachea, Hampson, Ins. 338 
Paratrimorus, Kieffer, Ins. 304 
Paratrypanius, Aurivillius, Ins. 268 
Paraulax, Kieffer, Ins. 306 
Paraxylophrurus, Cameron. Ins. 296 
Pardosuchus, Broom, Rept. 32 
