360 



SUBJECT INDEX 



Opisthotrichiwn jatms, 232, 235 

 Ovivora thalesseiuae, 195 

 Oxyvwnas, 153, 155, 168, 169 

 Oxyrrhis uiariva, 143 

 Oxytricba bifaria, 111, 238 



fall ax, 238 

 Oxytricba sp., 240 



Pairing in algae, 1 19 



Faraclevelavdia siiiiplex, 228 

 Faradhiimii poncheti, 143 

 Faraviecmvi, 119, 134, 316, 320, 321, 

 326, 327 



activation in, 298, 302 



aurelia, 213, 214, 219, 222-225, 244, 

 267, 280, 281, 292, 293, 318-320 

 breeding systems in, 293 

 CM = "can't mate" stocks of, 301 

 cytogenetic considerations in, 267 

 macronuclear differences in, 275 

 mating, 266, 267 

 patterns in, 270, 273, 277 

 selfing carvonides in, 279 

 varietal system in, 267 



hursaria, 214, 217, 222, 223, 292, 296- 

 298, 306, 307, 320 



calkjmi, 214, 221, 222, 292, 296, 307, 

 309, 311, 316, 317 



caudatiwi, 210, 211, 217, 222, 223, 

 236, 242, 292, 295, 306, 316 



cellular adhesion and mating type 

 substances in, 290 



cellular heredity in, 266 



chemistry of the mating type sub- 

 stances of, 310 



fertilization in, 288 



"hybrids," 222 



holdfast substances in, 304 



macronuclear breakdown in, 306 



macronuclear regeneration in, 226 



mating reactivity in, 305, 307, 312, 

 317 



meiosis in, 306 



imilthiiicromiclcatinn, 214, 221, 223, 

 292 



nepbridiatuni, 222, 223 



parthenogenesis in, 318 



paroral cone formation in, 305 



polycarywn, 214, 221, 222, 223, 319 



putrhmm, 213, 219 



sex substances and mating sub- 

 stances in, 287, 291, 307 



sexual phenomena in, 288 



tricbimn, 214, 215, 218-220, 240, 242, 

 292 



ivoodruffi, 214, 221, 222,292 

 Paroral cone, 210, 305 

 Parthenogenesis in Farainechnii, 318 

 Patelli/ia corriigata, 111, 179 

 Pelo7nyxa carolifiensis, 111 



pahistris, 111 

 fcvicUlhnti votatwn, 46 

 Pennales (diatoms), 85 

 Pericystis, 56 

 Peridinhwi styghnn, 139 

 Peritricha, 229 

 Phacus c and at a, 137 



pyriim, 137, 138 

 Phage crosses, 5 



genetic recombination in, 7 

 Pblebotovms argentipes, 101 

 Pbyco'iiiyces blakesleeamis, 65 

 Pbyllocardhnn, 101, 119, 120, 123 

 PbyUomonas striata, 103, 120 

 Pbyllostaunis mspidatus, 182 

 Physiology of fertilization in ciliates, 



284 

 Phytomonadina, 137 

 Pimiularia gibba, 94 



hemiptera, 94 



stauroptera, 94 



viridis, 94 

 Planozygotes in algae, 120 

 Plasmogamy in fungi, 44 

 Pleistopbora periplaiietae, 202 

 Pleuraspis costatiis, 182 

 Pleiirosigiiia mtbecida, 84, 85 

 Plistopbora cbirouoiiii, 201 

 Polymastigina, 149 

 Polvmiastigotes, 153 

 Polystoinella crispa, 176, 177 

 Poiytoma, 101, 104-106, 111, 112, 119, 

 " 123, 124, 126, 147 



fusiforiiiis, 123 

 Portinnis de pur at or, 204 

 Pregametic nuclear phenomena in cili- 

 ates, 236 

 Proteomyxa, 169 

 Proteroino?ias lacertae, 148, 149 



