OBELIA 



88 



ORTHOMORPHA 



O 



Obelia, Thecata, 1 1 



Ocenebra, Stenoglossa, 22 



Ochetostoma, Echiuroinea, 23 



Ochotona, Lagomorpha, 45 



Ochromonas, Chrysomonadina, 6 



Octocorallia, 12 



Octopoda, 23 



Octopus^ Octopoda, 23 



octopus {Octopus), Octopoda, 23 



— , lesser (Eledone), Octopoda, 23 



Octospinifer, Eoacanthocephala, 20 

 *Ocypode, Reptantia, 31 



Odoberms, Pinnipedia, 46 

 *Odocoileus, Ruminantia, 46 



Odonata. 26 



Odontaspis, Galeoidea, 36 



Odontoceti, 45 



Odontopyge. Spirostreptida, 25 



Odontostomatida, see Ctenostomatida 

 *Odontosyllis, Polychaeta, 24 



Oecanthiis, Ensifera, 26 

 *Oedemia, see Oideniia 



Oesophagostomum, Strongylina, 1 8 



Oicomonas, Chrysomonadina, 6 

 *Oidemia ( = Oedemid), Anseriformes, 42 



Oikopleura, Copelata, 35 



oil bird (Steatornis), Caprimulgiformes, 43 



Oiphysa, Homoptera, 27 



okapi iOkapid), Ruminantia, 46 



Okapia, Ruminantia, 46 



Oligobrachia, Athecanephria, 32 



Oligochaeta, 24 



Oligolophiis, Opiliones, 3 1 



Oligoneoptera, 27-29 



OUgotoma, Embioptera, 27 



Oligotrichida, 9 



OUndias, Limnomedusae, 1 1 



olm {Proteus), Proteida, 40 



Olympic salamander {RJivacotn'ton), 

 Ambystomoidea, 40 

 *Ommastrephes { = Oinmatostrephes), 



Decapoda, 23 

 *Ommatostrephes, see Onvnastrephes 

 *Onchidella, see Oncidiella 

 *Onchidium, see Oncidium 



Onchidoris, Nudibranchia, 22 



Onchocerca, Spirurida, 18 



Oncicola, Archiacanthocephala, 20 

 *Oncidiella { — Onchidella), 

 Stylommatophora, 22 

 ^Oncidium { = Onchidium), 

 Stylommatophora, 22 



*Oiicopeltus, Heteroptera, 27 

 *Oncorhynchus, Salmonoidea, 36 



Ondatra, Myomorpha, 45 



Oniscomorpha, see Glomerida 

 *Oniscus, Isopoda, 30 

 *Onos, see Gaidropsarus 



Onychophora, 24 

 *Ooencyrtus, Apocrita, 29 



Opalina, Opalinina, 7 



Opalinina, 7 



Ophelia, Polychaeta, 24 



Ophiactis, Ophiurae, 34 



Ophicephaloidea, see Channoidea 



Ophicephahis, see Channa 



Ophidia, see Serpentes 



Ophidioidea, 38 



Ophiocomina, Ophiurae, 34 

 *Ophiodon, Scorpaenoidea, 39 



Ophiopholis, Ophiurae, 34 



Ophiopsila, Ophiurae, 34 



Ophiothrix, Ophiurae, 34 

 '''Ophisaurus, Sauria, 41 



Ophiura, Ophiurae, 34 



Ophiurae, 34 



Ophiuraespira, Apostomatida, 8 



Ophiuroidea, 34 



Ophryocystis, Schizogregarina, 7 



Ophryoscolex, Entodiniomorphida, 9 

 *Ophyra, Cyclorrhapha, 28 



Opiliones, 31 



Opisthandria, see Pentazonia 



Opisthobranchia, 22 



Opisthocoela, 40 



Opisthocomus, Galliformes, 42 



Opisthomi, 39 

 * Opisthophthahnus, Scorpiones, 31 



opossum, American {Didelphis), 

 Marsupialia, 44 



opossum-shrimps (Mysidacea), 30 



Opsanus, Haplodoci, 39 



orang {Pongo), Simiae, 44 

 *Orasema, Apocrita, 29 

 *Orbinia {=Aricia), Polychaeta, 24 



Orchesella, Arthropleona, 25 



Orcinus, Odontoceti, 45 



Orectolobus, Galeoidea, 36 



oriental sore {Leishmania), 

 Protomonadina, 6 



ormer {Haliotis), Archaeogastropoda, 21 



Ornithodoros, Acari, 31 



Ornithorhynchus, Monotremata, 43 



Orthagoriscus, see Mola 



Orthomorpha, Polydesmida, 25 



