Chrysolus, Montfort; Geoponus, Ehren- 
[berg; Lenticulina, Lamarck) 
*Nosema 297 — (Panhystophyton, Lebert) 
(Nothopleurotricha, Diesing) =Gastrotricha 
Nubecularia 122 
Nubecularinæ 122  faiscus, Ehrenberg) 
Nuclearia 163 = (Heliophrys, Greeff; ? Tricho- 
(Nummularia, p. p. Sowerby) = Cristellaria 
[+ Nummulites 
(Nummulella, Carus) = Trichodina 
Nummulina 151 
(Nummulinida, Carpenter emend. 
[Brady) — Nummulitidæ 
Nummulites 136,150 — (Camerina, Bruguière; 
Helicites, Soldani; Lycophrys, Montfort; 
Orobias, Eichwald; Rotalites, Montfort; 
Lenticulites, Schlotheim; Nummularia, 
[Sowerby) 
Nummulitidæ 136, 147 — (Nummuli- 
[nida, Carpenter, emend., Brady) 
Nummulitinæ 152 
*Nyctotherus 458 
O 
(Obliquina, Seguenza) — Lagena 
Ochromonas 358 
Octodendron 183 
Octopelta 211 
(Octophormis, Häckel) — Sethophormis 
Octopyle 193 
Octotympanum 221 
Odontochlamys, 443 [sula 
(Odontoholotricha, Diesing) — Nas- 
[p. p. — Gymnostomidæ 
(Odontohypotricha, Diesing) — 
Odontosphæra 203 
Oikomonas 323 — (Spumella, Bütschli) 
Oligomastigidæ 319, 320 [eididæ 
(Oligoplastida, Labbé) — p. p. Coc- 
(Oligosporea, Schneider) — 
(Oligotricha, Bütschli) — 
Oligotrichidæ 457,465 —(Oligotricha, 
[Bütschli) 
Cocci- 
[dium 
Ommatartus 186 
Ommatocampe 186 
Ommatodiscus 189 [menium 
(Ommatogramma, Ehrenberg) — Amphy- 
(Ommatospyris, Ehrenberg) = Cyphinus + 
[Cyphinidium 
(Omphalocyelus, Bronn) — Orbitolites 
Onychaspis 478 
Onychodactylus 443 
(Onychodromopsis, Stokes) = Pleurotricha 
Onychodromus 475 == (? Himantophorus, 
*Oocephalus 272 [Ehrenberg) 
(Oolina, d'Orbigny) = Lagena 
INDEX GÉNÉRIQUE DES PROTOZOAIRES 
(Oolis, Phillips) = Spirillina 
*Opalina 451 
(Opalinina, Stein) — 
Opilininæ 451 — (Opalinina, Stein) 
“Opalinopsis 451 —(Benedenia, Fôttinger) 
Opercularia 498 — (Valvularia, Goldfuss) 
Operculina 151 
Ophioidina 276 
*Ophiotuba 130 
(Ophrydia, Bory) — Vorticella 
(Ophrydina, Ehrenberg — p.p. De- 
[xiotrichidæ 
Ophrydium 498 — (Coccochloris, Sprengel; 
Echinella, Agardh; Linckia, Wigger’s; 
Raphanella, Bory; Tremella, Linné) 
(Ophryocerca, Ehrenberg) = Trachelius 
*Ophryocystis, 299 
(Ophryodendrina, Stein) — 
Ophryodendrinæ 516— (0Ophryoden- 
[drina, Stein) 
*Ophryodendron 515 — (Corethria, Pritchard) 
Ophryoglena 446 — (Glenopanophrys, Die- 
sing; Meniscostomum, Kent; Otostoma, 
Carter; Sisyriodon, Eberhard) 
(Ophryoscolecina, Stein) — 
‘Ophryoscolecinæ 468 — (Ophryos- 
*Ophryoscolex AGT [colecina, Stein) 
Ophthalmidium 124 
Opisthodon 443 
Opisthostyla 497 
Orbiculina 125 — (Archais, Montfort; Helenis, 
[Montfort; Ilotes, Montfort) 
Orbitolites118, 120, 125 — (Cupulites, d’Orbi- 
gny; Cyclolina,d’Orbigny; Madreporites, 
Deluc; Marginopora, Quoy et Gaimard; 
Milleporites, Lamarck; Omphalocyelus, 
Bronn; Orbulites, Lamarck) 
Orbitoides 152 — (Asteracites, Schlotheim; 
Cyclosiphon, Ehrenberg; Hymenocyclus, 
Bronn; Orbitulites, auct.) 
(Orbitulites, aucl.) — Orbitoides 
Orbulina 141 — (Sphærula, Soldani) 
Orbulinella 168 
(Orbulites, Lamarck) = Orbitoliles 
(Orcula, Weisse) — Podophrya 
Ornithocercus 386 
(Orobias, Eichwald) = Nummulites 
Orona 242 
Orophaspis 210 
Oroplegma 243 
Oroscena 242 
Orosphæra 242 
(Orosphærida, Häckel) —  [ckel) 
Orosphærinæ 243—(Orospærida, Hä- 
(Orthocera, Lamarck) = Nodosaria 
(Orthoceras, Guallieri) = Nodosaria 
(Orthoceralium, Soldani) = Dimorphina 
