440 



AUTHOR AND SUBJECT INDEX 



Octomitus intestinaUs, 162 



periplanetae, 162 



salmonis, 162 

 Octosporea, 76, 323 

 Octosporea muscae-domesticae, 322, 



323 

 Odor of water, due to Protozoa, 11, 



39, 88, 89 

 Oikomonas, 64, 145 

 Oikomonas termo, 146 

 Oil, 11, 39, S?,, 85, 89, 117, 127 

 Oligotrichida, 79, 339. 381-384 

 Oncopeltus fasc.iatus, 143, 144 

 Onychodromus, 80, 389 

 Onychodromiis %randis, 388, 389 

 Oocyst, 269 

 Oodinium, 62, 105 

 Ookinete, 284, 285 

 Opalina, 13, 28, 76, 338 

 Opalina hylaxena, 337, 338 



obtrigonoidea, 337 , 338 

 Opaiinidae. 76, 336-338 

 Opercularia, 80, 395 

 Opercularia stenostoina, 395, 396 

 Operculina, 68, 200 

 Operculina amnionoides, 200 

 Ophelia limacina, 340 

 Ophrydium, 80, 395 

 Ophrydium sessile, 395, 396 

 Ophryocystis, 75, 300 

 Ophryocvstis tnesnili, 301 

 Ophryodendridae, 81, 400, 402 

 Ophryodendron, 81, 402 

 Ophryodendron porcellanum, 402, 403 

 Ophryoglena, 78, 359 

 Ophryoglena flava, 359, 360 

 Ophr'yoglenidae, 78, 358-363 

 Ophryoscolecidae, 79, 381-384 

 Ophryoscolex, 79, 381 

 Ophryoscolex caudatus, 382, 383 

 Ophthalmidiidae, 68, 198 

 Opisthodon, 78, 355 

 Opistliodon niemeccensis, 355, 356 

 Opsaiis tail, 309 



Oral groove, 28, 29, 104, 335, 358 

 Orbitoides, 69, 203 

 Orbitoididae, 69, 203 

 Orbitolinidae, 68, 198 

 Orcadella, 67, 188 

 Orcadella opercidata, 189 

 Orcheobius, 74, 279 

 Orcheobius herpobdellae, 278, 279 

 Orchitophrya. 77, 344 

 Orchitophrya stellaruin, 343, 344 

 Organelles, 3 

 Oriental sore, 145 

 Orosphaera, 72, 260 

 Orosphaeridae, 72, 259 

 Orthodon, 78, 355 



Orthodon hamatus, 356 

 Orthomorpha coarctata, 297 

 Osmerus, 320 

 Ovum, 52 

 Owl, 140, 287, 289 

 Oxymonas, 65, 164 

 Oxymonas projector, 164 

 Oxnerella, 47, 71, 246, 248 

 Oxjterella maritima, 43, 45. 248 

 Oxyphysis, 61, 101 

 Oxyplivsis oxytoxoides, 99, 101 

 Oxyrrhis, 61,' 102 

 Oxyrrhis marina, 49, 102, 103 

 Ox'ytricha, 80, 385 

 Oxytricha fallax, 56, 386, 387 

 Oxytrichidae, 80, 385-389 

 Oyster, 210 



P 



Pachydrilus, 293 

 Paedogamy, 57 

 Palmella stage, 82, 85, 91, 107 

 Pandorina, 53, 62, 112 

 Pandorina moriim. 111, 112 

 Pansporoblast, 304 

 Pantostomatida, 63, 129-132, 204 

 Parabasal body, 23, 129, 146, 155 

 Paracalanus, 105 

 Paracineta, 81, 404, 406 

 Paracineta limbata, 403, 404 

 Paradesmose, 47, 48 

 Paradevescovina, 65, 157 

 Paradevescovina nana, 157 . 158 

 Parajoenia, 66, 170-171 

 Parajoenia grass ii, 171 

 Paramaecium, 363 

 Parameciidae, 78, 358, 363-366 

 Paramecium, 13, 14, 29, 33. 34, 36, 39, 

 56, 78, 334, 351, 363, 366, 412, 

 415 

 Paramecium aiirelia, 58, 335, 363-364, 

 365 



bursaria. 364, 365 



calkinsi, 364, 365 



caudatum, 5, 21, 24, 33, 34, 41, 42, 

 53, 54, 58, 335, 363, 365, 366 



niultimicronucleatum, 335, 364, 365 



polycaryum, 364, 365 



putrinum, 364, 365 



trichium, 364, 365 



woodruffi, 364, 365 

 Paramoeba, 70, 223 

 Paramoeba pigmentifera, 222, 223 

 Paramoebidae, 70, 176, 205, 223 

 Paramylumbody, 38, 39, 82, 116, 117 

 Parapolytoma, 62, 114 

 Parapolytoma satiira, 113, 114 

 Parasite, 6, 7 

 Parasitic nutrition, 35-36 



