INDEX. 



215 



Page. 



obesa, Philodina S3 



obesus, Brachionus 21 



oblonga, Distyla 61 



Euchlanis 47 



Hydat ina 46 



Lecane 61 



Lepadella 64 



Metopidia 64 



Squamella 64 



Synchgeta 99 



obtusa, Colurella 30 



obtusicornis, Mniobia 71 



obtasus, Colui'us 30 



octoceros, Anurrea 57 



Kerona 57 



octodentatus, Brachionus 20 



octodon, Callidina 24 



Octotrocha SO 



speciosa 80 



oculata, Adineta 12 



Callidina 12 



CEcistes 89 



brachiatus 89 



brevis 89 



crystallinus 89 



hyalinus 89 



intermedins 89 



janus 49 



longicomis 89 



longipes 89 



melicerta 89 



mucicola 89 



pilula 89 



ptygura 89 



serpentinus 89 



socialis 89 



stepbanion 89 



stygis 89 



syriacas 90 



umbella 89 



velatus 90 



wilsonii 90 



ohioensis, Cathypna 62 



Distyla 62 



Lecane 62 



onisciformis, Notommata 80 



oon, Brachionus 19 



oophthalma, Monostyla 74 



operculatus, Brachionus 23 



opoliensis, Tetramastix 101 



orbicularis, Ascomorpha 51 



Sacculus 51 



orbiculodiscus, Microcodides 70 



Rhinops 70 



orbis, Brachionus 72 



Cercaria 72 



Furcocerca 72 



Lecane 72 



Monommata 72 



Trichocerca 72 



orientalis, Notholca 87 



omata, Callidina 24 



CoUotheca 28 



Diplax 61 



Floscularia 28 



oropha, Euchlanis 47 



othodon, Proales 88 



Page. 



81 



papillosa 81 



ovalis, Anapus 26 



Brachionus 47, 64 



Chromogaster 26 



Euchlanis 47 



Lepadella 64 



Metopidia 64, 65 



Stephanops 97 



ovata, Monostyla 74 



Rotaria 92 



ovatus, Actinurus 92 



Rotifer 92 



ovicola, Proales 88 



ovulum, Notommata 33 



oxycauda, Distyla 61 



Oxystema 65 



major 65 



oxystemum 65 



oxysternon, Metopidia 65 



oxystemum, Metopidia 65 



Oxystema 65 



oxyure, Pedalia 81 



Pedalion 81 



pachida, Diglena 25 



pachypodus, Colurus 30 



pachyura, Notommata 79 



pachyiu-us, Copeus 79 



pacifica, Callidina 69 



Macrotraehela 69 



psecilops, Mytilia 85 



pseta, Diaschiza 34 



pala, Anourella 58 



Brachionus 19 



palea, Anursea , 18 



Brachionus 19, 58 



palpitatus, Rattulus 39 



paludosa, Anursea 57 



Keratella 57 



palustris, Polyarthra 87 



pandurina, Anourella 77 



pannonica, Euchlanis 47 



paunosa, Philodina .__. 83 



papillosa, Callidina 69 



Macrotraehela 69 



O toglena 81 



papuana, Asplanchna 16 



papuanus, Brachionus 18 



paradoxa, Microdina 83 



paradoxus, Ph^lodma^'us 83 



Paramsecium histrio 58 



Paraseison 81 



asplanchnus 81 



cUiatus 81 



nudus 81 



proboscideus 81 



parasita, Hertwigia 15 



Notommata 88 



Proales 88 



parasites, Brachionus 23 



parasitica, Callidina 42,43 



Cypridicola 32 



Diaschiza 34 



Embata 42,43 



PhHodina 83 



Pleurotrocha 34 



parasiticum, Siphonostoma 43 



