INDEX. 



821 



PAGE 



Number of air germs, local differ- 

 ences in the ... 689 



Nutrient jelly, preparation of, for 



cultivations ... 792 



materials of the budding fungi 518 



of the fission fungi 527 



of the lower fungi, altera- 

 tions which they undergo ... 548 



of the mould fungi 503 



substrata 789 



Nutriment of the lower fungi, amount 



required 557 



Nutritive requirements of the fungi, 



Pasteur on .. 498 



Obermeier's spirillum 479 



Obligatory aerobes ... 533 



anaerobes 532 



parasites 628 



saprophytes ,.. 629 



Occnrrence of bacteria in the air ... 687 



iu. the soil 691 



in water 711 



Oidium albicans 131 



lactis 127 



Tuckeri 127 



Oil immersion lenses ... 785 



of cloves as an inhibitory agent 653 



of mustard as an inhibitory 



agent 653 



of peppermint as an inhibitory 



agent ' 653 



of turpentine as an inhibitory 



agent 653 



Oogonium 107 



Oospores 107 



Ophidomonas sanguinea 484 



Origin of air germs 687 



Osmic acid, action on spores ... 667 



Oxygen, influence of, on fermentation 595 



influence of, on the motility of 



bacteria 531, 558 



influence of, on the putrefactive 



process 614 



influence of, on yeast cells ... 520 



in relation to intramolecular 



respiration ... 542 



in relation to the mould fungi... 508 



in relation to the tissue change 



of the lower fungi 553 



relation of, to bacteria 530 



Ozaena, micrococci in 203 



P. 



Pancreatic ferment, chemical compo- 

 sition of 582 



Parasitic bacteria 636 



degrees of pathogenic action 637 



fate of 686 



modes of action of .. .. 638 



PAGE 



Parasitic bacteria, modes of develop- 

 ment in the body 638 



fungi 109 



classification of 628 



mould fungi 629 



role of micro-organisms, proof of 98 



yeast fungi 636 



Parasitismus of the lower fungi ... 627 



Parrots, disease of 207 



Passet's pseudopneumonia bacteria... 324 

 Pasteur on acetic fermentation ... 619 



on aerobes and anaerobes ... 530 



on attenuation of chicken 

 cholera bacilli 317 



on fermentation by yeast ... 77 



on protective inoculation against 



anthrax 756 



on protective inoculation for 



rabies 758 



on silk- worm disease 209 



on the attenuation of the virus 



of rabies 660 



on the fermentation of glucose 590 



on the nutritive requirements 



of the fungi 498 



Pasteur's bacillus of saliva 321 



flasks for cultivations 788 



nutrient solution 790 



views on putrefaction 614 



views on the attenuation of 



anthrax bacilli 658 



Pathogenic bacteria, behaviour of, in 



water 712 



biological peculiarities of ... 641 



in the soil, behaviour of ... 698 



resistance against excretion 642 



resistance against oxygen ... 642 



resistance to the living cells . 643 



Pathogenic organisms, attenuation of 656 



fermentation of carbo-hy- 



drates by 601 



Peach-coloured bacterium, Lankester 



on 490 



Pebrine, micro-organisms in 208 



Penicillium 136 



glaucum 137 



Pepsine, chemical composition of ... 581 

 Peptone, production of, by yeast ... 549 



Peptonising ferments 578 



Peptotoxine 570 



Perisporiaceae 118 



Perithecia 106 



Permanganate of potash, action on 



spores 667 



as an inhibitory agent ... 653 



Peronospora infestans 112 



Peronosporeae 112 



Pettenkofer on the relation between 



the soil and infective bacteria 692 

 Pfeffer on certain nutrient materials 



in relation to the movement of 



bacteria 558 



Phago-cytosis 643 



