IXhEX 



601 



Naville, autogamy in Cnidosporidia, 

 326 



meiosis in Cnidosporidia, 546 

 Neresheimer, coordinating fibers, 1 (VI 



myophanes and neurophanes, 128 

 Neuromotor apparatus, 129 



system, 105 

 Neurophanes, 128 

 Nicolle, culture medium, 366 



Leishmania infantum, 369 

 Nicollela, Fig. 172, p. 400 

 NicolleUidae, conjugation, 287 

 Nina gracilis, sex difference, Fig. 214, 



p. 537 

 Xirenstein, digestion in gastric vacu- 

 oles, 195 

 gastric vacuole formation, 195 

 Nodosarine type of Foraminifera , ori- 

 gin, Fig. 186, p. 451 

 of shell, Fig. 19, p. 38 

 Xoguchi, serological work with L< ish- 



mania, 363 

 Nosematidae, Key, 569 

 Novy and MacXeal, culture medium, 

 366 

 endotoxins in Trypanosomes, 

 198 

 Nuclear derivatives during division, SS 

 reorganization, 217 

 structure of fundamental organiza- 

 tion, 49 

 Nuclearia delicaiula, Fig. 183, p. 44 1 

 X'uclei with pole plates, (i."i 

 X'uclein, 65 



X'ucleoplasmic relation, 205 

 Nucleus, J<» 



cytoplasm changes at conjugation, 



290 

 formation, 84 

 placenta, 84 

 Nutrition of Protozoa, 183 

 Nyctoth. rus, 401 



cordiformis, Fig. 206, p. 51 1 



basal hollies, 124 

 oralis, Fig. SI , ]). 151 



Oicomonadidae, Key to genera, 423 

 Oicomonas, food-getting by Protozoa, 



Fig. 97, p. 186 

 Oils and fats, 133 

 Oken, Frtiere, 17 

 Old age in I 'role pt us, 255 

 Ohgotrichida, Key, 512 

 Onychodromus grandis, Fig. 207, p. 511 

 Oocyst, defined, 529 

 Oogamy in Coccidiomorpha, 280 

 Opalinidae, fertilization, 484 



Metcalf, 397 

 Operculina shell, Fig. 74, p. 138 

 Ophrydium, colony, 38 



versatile, 21 



Ophryocystis mesnili, gamete formation, 



229; Fig. 120, p. 231 

 < )phryodendridae, Key, 524 

 Ophryoglena flava, Fig. 205, p. 504 

 Ophryoglenidae, Key, 507 

 Ophryoscolecidae, 401, 513 

 Ophryoscolecin, 139 

 Opisthodon mnemiensis, Fig. 191, p. 472 

 Oral baskets, 167 



replacement at division, 222 

 Orcadellidae, Key, 465 

 Organization and differentiation, 260 



defined, 47 

 Orthodon hamulus, Fig. 93, p. 167 

 Overton, permeability, 172 

 Oxidation-reduction potential, 174 

 Oxychromatin, 57 

 Oxygen, source of, 174 

 Oxvmonadidae, Key to genera, 432 

 Oxytricha, Fig. 209, p. 518 



chromosomes, 319; Fig. 162, p. 320 



fallax, Fig. 88, p. 159 



pellioneUa, Fig. 88, p. 159 

 ( )xytrichidae, Key, 517 



Pachysoeca longicollis, Fig. 178, p. 419 

 Pansporella perplexa, 386 

 Pansporoblasts as endogenous buds, 



232 

 Parabasal bodies, 60 

 body, 110, 111 



types of, 416; Fig. 62, p. 116 

 Feulgen reaction, 118 

 Paradesmose, 1 1 8 



in Trichonympha campanula, 99; 

 Fig. 54, p. 1()() 

 Paraglycogen, 133 

 Paramebidae, 456 



Key, 467 

 Parameciidae, Key, 501 

 Paramecium aurelia, endomixis, Fig. 

 161, p. 318 

 bursaria, Fig. 204, p. 502 

 caudatum, fertilization in, Fig. 139, 

 p. 273 

 first meiotic, Fig. 57, p. 103 

 Golgi bodies and contractile 



vacuole, Fig. 95, p. 171 

 in depression, Fig. 145, p. 283 

 in division, pole plates, Fig. 



35, p. 67 

 nucleus, Fig. 23, p. 50 

 trichocysts, Fig. 193, p. 474 

 cilia structure, Fig. 82, p. 152 

 cyst, Fig. 5, p. 24 

 merotomy, Fig. 108, p. 216 

 monster formation, Fig. 108, p. 216 

 oxygen consumption, 175 

 putrinum, Fig. 204, p. 502 

 variations in size, Fig. 167, p. 342 

 Parasites, carriers of, 362 



