10 
INDEX TO NEW GENERA AND SUBGENERA. 
Nesolestes, Selys , Ins. 295 
Nettophichthys, Holt, Pisces 31 
Neuragrion, Karscli , Ins. 295 
Nowberria, Hull, Brach. 7 
Nicetas, Druce , Ins. 230 
Ninoides, Kuicert, Ins. 110 
Nocar, Blackburn, Ins. 130 
Nolera, Mabillc , Ins. (1890) 254* 
Notalacerta, Butts , Kept. 24 
Notamphibia, Butts , Kept. 24 
Notata, Hampson , Ins. 210 
Notiocetus, Ameghino , Mamm. 47 
Notocynus, Merccrat } Mamm. 5G 
Notohippus, A meghino , Mamm. 30 
Notoryctes, Stirling , Mamm. 50 
Notosalpingus, Blackburn, Ins. 130 
Nuclearella, Frenzel, Prot. 10 
Nycterolampus, Flcutiaux, Ins. 120 
Nyctus, Mabille, Ins. 208 
Nymphites, Haase, Ins. 82 
Ocblerotatus, Arribalzaga, Ins. 204 
Ochyrocera, Simon , Arachn. 12 
Ochyrotica, Walsingham , Ins. 201 
Odina, Mabillc , Ins. 208 
Odites, Walsingham, Ins. 259 
Odontionycha, Weise, Ins. 105 
Odontochlamys, Gertes, Prot. 13 
Odontolakis, Redtenbaclier , Ins. 300 
Odostomopsis, BlancJcenhorn, Moll. 
91 
Occtoperodes, Ragonot, Ins. 249 
Oedematodes, Ragonot, Ins. 249 
CEnochirus, Kolbe , Ins. 115 
Oenopiella, Bergroth , Ins. 278 
Ogdoconta, Butler , Ins. 230 
Ogivia, Harris and Burrows, Moll. 
81 
Oidosoma, Quedenfeldt, Ins. 105 
Omegasyrphus, Giglio-Tos, Ins. 2G8 
Omositoidea, Schaufuss, Ins. 82 
Omothymus, Thor ell , Arachn. 9 
Omphalius, Abeille, Ins. 129 
Oncholaimellns, Man, Yerm. 44 
Onohippus, Moreno , Mamm. 40 
Onyx, Cobb, Yerm. 44 
Ophisidina, Mingazzini, Prot. 12 
Ophromyia, Williston , Ins. 208 
Opisthodactylus, Ameghino, Aves 
33 
Opistholoba, Mik, Ins. 203 
Opoprea, Simon, Arachn. 10 
Orchomenopsis, Sara, Crust. 15 
Orizosoma, Pilsbry , Moll. 59 
Orodes, Jacoby , Ins. 105 
* Misprinted in Index last year as 
Notera, which is therefore to be deleted. 
Oroscopa, Druce, Ins. 230 
Ortholestes, Calvert, Ins. 295 
Orthopygia, Ragonot, Ins. 249 
Orthotrichophora, Warren, Ins. 250 
Orthygia, Jacoby , Ins. 105 
Orus, Thorell, Arachn. 15 
Oryctocera, Ragonot , Ins. 250 
Oscula, Bergroth, Ins. 278 
Osmylites, Haase, Ins. 82 
Otaces, Druce, Ins. 230 
Otobothrium, Linton, Yerm. 40 
Otomitla, Felix, Pisces, 35 
Otopterus, Lydeklcer, Mamm. 24 
Ottawacrinus, Billings, Ech. 87 
Owcnornis, Moreno and Mercerat, 
Aves, 45 
Oxylakis, Redtenbaclier, Ins. 300 
Oxymachairis, Walsingham , Ins. 
259 
Oxystethus, Redtenbaclier, Ins. 300 
Ozopteryx, Saalmiiller, Ins. 230 
Ozotoceros, A meghino , Mamm. 44 
Paclmotosia, Reitter, Ins. 119 
Pachyantcdou, Jaekel , Ech. 87 
Pachydomella, Ulrich, Crust. 17 
Pachynodon, Burmeister, Mamm. 
30 
Pachyornis, Lydeklcer, Aves 34 
Pachysoma, Mingazzini, Prot. 11 
Pachysphaara, Pilsbry, Moll. 03 
Paloemylus, Woodward, Pisces 37 
Palaeociconia, Moreno, Aves 42 
Palaeolithops, Ameghino, Mamm. 
35 
Palaeospheniscus, Moreno and Mer- 
cerat, Aves 38 
Palaeotetrix, Shufeldt, Aves 35 
Palteoxenus, Horn, Ins. 123 
Paleunema, Kiltl, Moll. 93 
Palmitia, Ragonot, Ins. 250 
Palura, Ragonot, Ins. 250 
Parabia, Semenow, Ins. 189 
Parabrachymera, Mik, Ins. 272 
Paracoedicia, Brunner, Ins. 300 
Paraceltites, Gemmellaro, Moll. 53 
Parachiona, Thomson, Ins. 291 
Paraconchcecia, Claus, Crust. 18 
Paracosmophyllum, Brunner , Ins. 
300 
Paracritheus, Bergroth, Ins. 278 
Paracryptops, Pococlc , Myr. 3 
Paractenia, Ragonot, Ins. 250 
Paradrilus, Michaelsen , Verm. 30 
Paraicaria, Gribodo , Ins. 175 
Paramenia, Pruvot, Moll. 98 
Paranthonomus, Dietz, Ins. 149 
Paraphoxus, Sars, Crust. 10 
