SUBJECT INDEX 



955 



Pseudomicrothorax, 739 



agilis, 738, 739 

 Pseudopodia, 49-52, 97, 98, 99, 100, 



417, 435 

 Pseudoprorodon, 713 



farctus, 711, 713 

 Pseudospora, 420 



eudorini, 420 



parasitica, 420 



volvocis, 419, 420 

 Pseudosporidae, 418, 420 

 Pseudotrichomonas, 390 



keilini, 389, 390 

 Pseudotrichonympha, 413-414 



grassii, 414 

 Pseudotrypanosoma, 391 



giganteum, 391-392 

 Psilotricha, 834 



acuminata, 838, 835 

 Pteridomonas, 335 



pulex, 335, 336 

 Pterocephalus, 550 

 Pteromonas, 284 



angulosa, 282, 284 

 Pterospora, 539 



maldaneorum, 539, 540 

 Pterotracha coronata, 780 

 Ptychoptera contaminata, 555 

 Ptychostomum, 779 



bacteriophilum, 778, 780 

 Pulsating vacuole, 83 

 Pusule, 108, 310 

 Pycnothricidae, 728, 733-735 

 Pycnothrix, 734 ' 



monocystoides, 734 

 Pyorrhoea alveolaris, 456 

 Pyramidochrysis, 260 



modesta, 259, 260 

 Pyramidomonas, 282 

 Pyramimonas, 282 



montana, 283 



tetrarhynchus, 282 

 Pyrenoids, 89, 90 

 Pyrocystis, 329 

 Pyronin, 228 

 Pyrotheca, 676 



incurvata, 676, 677 

 Pyrsonympha, 78, 79, 379 



granulata, 379, 880 



vertens, 379, 880 

 Python, 377 



sebae, 459 

 Pyxicola, 858 



affinis, 858 



socialis, 858, 859 

 Pyxidicula, 478 



operculata, 478 

 Pyxidium, 854 



urceolatum, 853, 854 



vernale, 858, 854 

 Pyxinia, 557 



bulbifera, 556, 557 



Pyxinioides, 546 

 balani, 546 



Quadrula, 490 



symmetrica, 489, 490 

 Quail, 336, 388, 393, 580, 582, 583, 



620 

 Querquedula crecca, 620 

 discors, 620 

 Quinine, 600 



R 

 Raabella, 782 



botulae, 781, 782 

 Rabbit, 351, 374, 395, 457, 577 

 Races of Protozoa, 223-228 

 Rachidelus brazili, 459 

 Radial cytostomal fibrils, 68, 69 

 Radiating canals, 84 

 Radiolaria, 10, 12, 29, 39, 185, 249, 



505, 516-524 

 Radiophrya, 696-697 



hoplites, 697 

 Radium rays, 134 

 Rainey's corpuscles, 638 

 Raja, 655 



oxyrhynchus, 353 

 Rana, 686 



areolata, 687 



cantabrigensis, 687 



catesbeiana, 687 



clamitans, 656 



fusca, 377 



pipiens, 656 



palustris, 694 



ridibunda perezi, 860 



sphaenocephala, 656, 687 



temporaria, 390 

 Ranatra linearis, 872 

 Raphidiophrys, 511 



pallida, 511, 512 

 Raphidocystis, 511 



infestans, 512 



tubifera, 511-512 

 Rat, 14, 351, 371, 374, 388, 395, 457, 



579, 592, 614, 639, 641 

 Rattus norvegicus, 388 

 Reaction of Protozoa to 



Beta rays, 134 



chemical stimuli, 132-133 



current, 132 



electrical stimuli, 135-136 



gravity, 131-132 



light, 133-135 



mechanical stimuli, 130-131 



radium rays, 134 



temperature, 135 



ultraviolet rays, 133-134 



X-rays, 134-135 

 Reconstruction band, 147, 148 

 Red snow, 21 



tide, 311, 312 



water, 311, 312, 313, 327, 706 



