INDEX 



891 



Protozoa, reproduction, develop- 

 mental cycle, 128 

 encystment, 129 

 isogamous, 128 

 macrogametes, 128 

 merozoites, 126 

 microgametes, 128 

 mitosis, 127 

 parthenogenesis, 128 

 schizogony, 126 

 self-fertilization, 128 

 sporogony, 126 

 sporozqites, 126 

 zygote, 128 

 general, 120 

 groups, 13, 14 

 influence on organisms in water, 



264 

 parasitism, 129 

 commensals, 130 

 facultative parasites, 130, 660 

 obligatory parasites, 130, 660 

 saprozoic parasites, 130 

 pathogenic, 660. 

 in soil, 305 

 structure, 121, 141 

 chromatin, 122 

 cytoplasm, 122 

 ectoplasm, 122 

 endoplasm, 122 

 linin, 123 

 nucleus, 122 

 organellas, 123 

 technic, 137 

 in water, 264 

 Protozoal groups, 13, 14 

 Pseudomonas aptatum, 615 

 avenae, 595 

 beticola, 611 

 campestris, 617 

 citri, 612 

 hyacinthi, 618 

 juglandis, 602 

 lachrymans, 613 

 medicaginis, 590, 591, 592 

 mori-, 594 



Pseudomonas phaseoli, 592, 593 



. pisi, 595. 596 , 

 pruni, 614 



pyocyanea, 103, 172, 176, 199, 

 244, 341, 503, 682, 696, 704', 



756 

 radicicola, 151, 212, 242J 298, 



341. 345, 346, 350 



solanacearum, 629 



stewartii, 618 



syncyanea, 103 



tumefaciens, 605, 607 



viridilividum, 593 

 Pseudopodia, 24, 124 

 Pseudo-yeasts, 73 



on grapes, 509 ' 



Ptomains, 171, 495 

 Puerperal fever (septicsemia), 744 

 Pulsating vacuoles, 22, 144 

 Purification of water, by chemicals, 

 270 



electricity, 270 



filtration, 266, 267, 268 



heat, 270 



ozone, 270 

 Putrescin, 171 , , 



Pyaemia, 741 

 Pyocyanase, 244 

 Pyorrhoea alveolaris, 498 

 Pyrameis cardui, 633 

 Pyrinin, 16 



RABIES, 814 



serum for, 581 



vaccine, 566 

 Raidium rays, 225 

 RafSnase, 194 

 Ragi, 537 



Rain, microorganisms in, 260 

 Ranatra linearis, 644 

 Raite of oxidation, 294, 313 



carbon in soil, 194, 313 ' 



hydrogen, 294 



nitrogen in soil, 294, 313 

 Reaction of soil, 298 

 Reductases, 202 



