INDEX 



193 



Mucigenous bacteria, 15. 



Mucilage, 53, 123 ; excretion of, 10; in beet- 

 molasses, 124. 



Mucor, parasitism of, 43 ; rotting of fruits 

 by, 99 ; — yeast, no, 130 ; M. corym- 

 bifer, M, rhizopodiformis, parasitism 



of, 43- 



Miiller, 1. 



Mummies, bacteria of, 140. 



Miintz, on nitrification, 175. 



Mycelium, 36. 



Mycobacterium, 27 ; M. tuberculosis, 153. 



Mycoprotein, 53. 



Myxomycetes, 36. 



Nageli, 2, 29; on fermentation, 179; on 

 involution forms, 170; on molecular 

 movements, 169 ; on nutrition of bac- 

 teria, 56, 171 ; on species in, 170 ; 

 theory of fermentation of, 134. 



Neisser, on gonorrhoeal fungus, 181 ; on 

 penetration of intestine by bacteria, 180. 



Nencki, on anaerobism, 172 ; on isolation of 

 mycoprotein, 53 ; on putrefaction, 175. 



Nencki and Scheffer, on chemical com- 

 position of bacteria, 171. 



Neoplasm, supposed origin of, 39. 



Nepenthes, bacteria in pitcher of, 138. 



Neuridine, 100. 



Nicolaier, on tetanus, 181. 



Nitragin, preparation and uses of, 93. 



Nitrate bacteria, 55, 105, 106. 



Nitrate-reducing bacteria, 106. 



Nitrates, as source of N, 55, 88, 94. 



Nitric oxide, inhibitory action of, 86. 



Nitrification, literature of, 175. 



Nitrifying bacteria, culture medium for, 54, 

 104, ios, Fig. 23. 



Nitrite bacteria, 105. 



Nitrites, as source of N, 54, production of, 

 104, 106. 



Nilrobacter, 30, 105, Fig. 23, 106. 



Nitrogen, 56 ; amount of discharged from 

 sewers, 103 ; circulation of, 88, Chap. 

 X, 98, Chap. XI ; fixation of, 96 ; 

 liberation of, 98, 99, 104 ; influence of 

 combination of on fermentation, 115; 

 literature on assimilation of, 174 ; 

 sources of, 55, 88; supposed absence 

 of from certain organisms, 51. 



Nitrosococcus, 105. 



Nitrosomonas, 30 ; N. europea, 105, Fig. 23. 

 N.javanensis, 105, Fig. 23. 



Nitrous oxide, inhibitory action of, 86. 



Nobbe and Hiltner, on breeds of root- 

 tubercle bacteria, 93, 



Nobbe, Hiltner, and Schmid, on root- 

 tubercle bacteria, 174. 



Nocard and Roux, on tubercle bacillus, 181. 



Nostoc, 125. 



Nuclei, absorption of dyes by, 7, 8. 



Nutrition, 52, Chap. VI ; peculiarities of, 



47, 48 ; in fungi, 38 ; varying character 



of, 29. 

 Nuttall, on animals and bacteria, 183. 

 Nuttall and Thierfelder, on life without 



bacteria, 180. 



Oats, consumption of combined N by, 91. 

 Obermuller, on tuberculous milk, 177. 

 Obligatory aerobes, 60; — anaerobes, 61 ; 



— metatrophes, 49 ; — saprophytes,49. 

 Oceanic ooze, bacteria in, 64. 



Oedema, malignant, cause of, 150; omni- 

 presence of germs of, 47. 



Oenanthic ether, production of by yeast, 32. 



Oidium, 39 ; influence of on ripening of 

 cheese, 119. 



Olive oil, decomposition of by bacteria, 108. 



Omelianski, on fermentation of cellulose, 



177. 



Oosfora, 41. 



Optical decompositions, 1 15 ; — properties, 

 relations of to nutrition and fermenta- 

 tion, 115. 



Oscillaria, 37 ; O. tenuis, 36, Fig. 1 5. 



Osmic acid, as fixing fluid, 6. 



Osmotic pressure, 5 ; in bacterial cells, 8. 



Oxygen, influence of on alcoholic fermenta- 

 tion, 132, 178 ; — on growth of yeast, 

 133; — on ciliary movement in aerobes 

 and anaerobes, 61 ; — on pigment 

 formation, 61 ; — on putrefaction, 100 ; 



— on spore formation, 150 ; relation of 

 to fermentative organisms, 135. 



Ozone, inhibitory action of, 86. 



Pancreatic juice, action of on bacteria, 87. 



Papilionaceae, root-tubercles of, 91. 



Paracasein, occurrence of in curds, 119. 



Parachromatophores, 13. 



Paraoxyphenylacetic acid, 100. 



Parasites, 47 ; bacterial, 144. 



Parasitism, influence of temperature on, 43. 



Paratrophic, 48, 49 ; — bacteria, 57 ; — 

 fungi, 36. 



Passet, on aetiology of Pneumonia, 180. 



Pasteur, 2; on anaerobiosis, 60, 133, 172 ; 

 dictum of, 134; on fermentation, no; 

 influence of heat on anthrax, 29; on 

 organized ferments, 108 ; on production 

 of racemic acid, 176 ; on protective 

 inoculation for rabies, 168, 184 ; — for 

 anthrax, 168 ; on silkworm disease, 

 138, 180 ; on spontaneous generation, 

 171; studies on beer, 179; wine, 177; 

 works of, 176. 



Pasteur, Chamberland, and Roux, on 

 attenuation, 170. P. and Joubert, on 

 fermentation of urine, 175. 



Pasteurization of wine, 75. 



Pathogenic bacteria, 151, Fig. 28; isolation 

 of, 143 ; culture and attenuation of, 144; 

 mode of action of, 158, 159 ; products 



O 



