INDEX 



325 



Methylene, 86 

 blue, 33 



Mioro-organisms, 14, 16, 19, 21 

 comparison with enzymes, 117 

 isolation of enzyme from, 136 

 secretion of enzyme by, 122-124 



Microbe, 13 



Micrococcus ureae, 136, 214 



Microspira estuarii, 241 



Milk, 95, 145, 149, 178; chemical 

 constituents of, 274 

 sugar {see Lactose) 



MUon's reagent, 105, 184 



Minkman, 231 



MiUcherlich, 75, 136 



Moist chamber, 32 



Molasses, 95 



Molecular formula, 41 

 weight, 11 



Molecules, 36, 37, 38, 40 



Mono-amino acids, 194 



Mono-saccharoses, 83, 84 



Mouochlorbenzene, 48, 60 



Moulds, 16, 17, 18, 19, 33, 34, 162 ; 

 examination of, 33 



Mucins, 209 



Mucorineae, 19 



Mucus, 209 



Munro, 219 



Musculus, 136, 215 



Mushrooms, 175, 176 



Myceha, 18, 34 



Myooderma aceti, 149 



Myosin, 208 



Naphthalene, 51 



Nascent state, 39 



Nasturtium leaves, 124, 268 



Nessler's reagent, 218 



Niool prism, 70, 109 



Nicotine, 255 



Nitrates, Stoddart test, 218 



Nitric acid, 87, 105 

 organism, 220, 221 



Nitrieoation, 217-228 



Nitrites, test for, 218 



Nitrogen, 14, 20, 23, 59, 82 ; assimi- 

 lation of, 232; cycle, 212-235; 

 groups containing, 56 ; in soil, 

 259-260 



Nitroso-coccus, 221 



Nitroso-indol, 196 



Nitroso-monas, 221 

 Nitrous organism, 220, 221 

 Nucleo-proteids, 209 



Oats, 163 



Octadecapeptide, 202 



Oidaceae, 19 



Oil immersion lens, 30 



Olefine hydrocarbons, 48, 51 



Omelianski, 163, 167, 285 



Optical activity, 97, 107, 108, 124, 



125 

 Ordinary ray, 69 

 Ormerod, 172. See Artnstrong 

 Omithin, 190 



Osazone, 88, 113, 129, 160 

 Osmotic pressure, 11, 12, 44 

 O'SuUivan and Tompson, 127 

 Oxidases, 40, 175, 249, 251, 253, 



255 

 Oxidation, 40 

 Oximes, 57 

 Oxiurushic acid, 176 

 Oxyoelluloses, 160 

 Ozone, 39 



Palm, 1 



Pancreatic extract, 124, 170, 171 



Paraffin, 118, 119 



Paraffin hydrocarbons, 47, 51 



Pasteur, on acetic acid fermenta- 

 tion, 149 ; on conversion of 

 urea into ammonia, 214 ; on 

 dilution method of culture, 20; 

 on oxidation of ammonia, 217 ; 

 on production of optically active 

 compounds, 270 ; on spontaneous 

 generation, 134-135 



Pasteurisation, 276 



Pathogenic organisms, 19, 123 



Payen, 136 



Peaches, 96 



Pear, 161 



Peat, 167 



Pectase, 161, 179 



Pectic acid, 161 



Pectin, 161, 168, 179 



Pectose, 161, 162 



bodies, decomposition of, 167 



PeniciUiaceae, 19 



PemciUium glaucum, 278 



