672 



PROTOZOOLOGY 



Operculina, 352 



ammonoides, 351 

 Ophelia limacina, 490 

 Ophiothrix frngilis, 570 

 Ophisthotrichum, 595 



janus, 595, f>9(J 



thomasi, 595 

 Ophiurespira, 570 



iveilli, 570, 577 

 Ophrydiidae, GIG, 618 

 Ophrydium, 31, 618 



sessile, 617, 618 



vernalis, 617, 618 

 Ophryocephalus, 633 



capitatum, 634 

 Ophryocystidae, 409-411 

 Ophryocystis, 409-410 



mesnili, 410, 411 

 Ophryodendridae, 628, 632 

 Ophryodendron, 632 



helgicum, 631, 632 



porcellanum, 631, 632 

 Ophryoglena, 555 



collini, 554, 555 



intestinalis, 554, 555 



parasitica, 555 



pyriformis, 554, 555 

 Ophryoglenidae, 547, 555 

 Ophryoscolecidae, 61, 74, 90, 94, 



587, 590 

 Ophryoscolecin, 61 

 Ophryoscolex, 590 



bicoronatus, 590, 591 



caudatus, 590, 591 



quadricoronatus, 590, 591 

 Ophthalmidiidae, 350 

 Opisthodon, 518 

 Opisthonecta, 618 



henneguyi, 617, 618, 638 

 Opisthostyla, 619 



annulata, 619, 620 

 Opisthotricha, 603 

 Opsaus tau, 463 

 Oral basket, 62 

 Orbitoides, 354 

 Orbitoididae, 354 

 Orbitolinidae, 349 

 Orbulina universa, 162 

 Orcadella, 300 



operculata, 301 

 Orcheobius, 428 



herpobdellae, 135, 428-429, 430 

 Orchestia agilis, 488, 527, 528 



palustris, 527, 528 

 Orchitophrya, 490 



stellarum, 489, 490 

 Organella, 3, 32-81 

 Oriental sore, 251 

 Origin of parasitism, 27-29 

 O'Roke, 441, 445 



Orthognathotermes wheeleri, 270 

 Orosphaera, 372 

 Orosphaeridae, 372 

 Orthodon, 523 



hamatus, 523, 5i^4 

 Orthomorpha graclis, 393 

 Oryctes, 265, 393 



nasicornis, 393 

 Osmerus, 475 



Osmiophile structures, 69- TT^ 

 Ostracodinium, 594 



dentatum, 594, 595 

 Ostrea virginica, 310, 409 

 Ovis orientalis cycloceros, 590 

 Oxidation, 96-98 

 Oxygen on Protozoa, 97-98 

 Oxymonas, 267 



dimorpha, 267 



projector, 266, 267 

 Oxnerella, 359 



maritima, 124^125, 134, 359 

 Oxyphysis, 233 



oxytoxoides, 232, 233 

 Oxyrrhis, 137, 220 



marina, 131, 220, 221 

 Oxytricha, 19, 47, 55, 603 



bijaria, 603, 604 



fallax, 17, 135, 150, 158, 603, 604 



ludibunda, 603, 604 



setigera, 604 

 Oxytrichidae, 603-611 

 Oyster, 310, 409 



Pachygrapsus crassipes, 396 

 Pack, 506 



Paedogamy, 154, 156, 157, 455 

 Palaemonetes, 570 

 Palatinella, 177 



cyrtophora, 176, 177 

 Palm, 303 



Palmella stage, 171, 174, 184 

 Pamphagus, 41, 131, 331 



arniatus, 19 



mutabilis, 330, 331 

 Pandorina, 80, 95, 141, 201 



morum, 145, U7, 200, 201 

 Panopeus herbsti, 409 

 Pansporoblast, 454 

 Pantin, 103, 116 

 Panzer, 95, 116 



Parabasal apparatus, 62, 66-67 

 body, 46, 66 

 thread, 66 

 Parablepharisma, 580 



pellitum, 579, 580 

 Paracalanus, 490 



parvus. Til, 228, 571 

 'Parachaenia, 513 



myae, 512, 513 



