INDEX 



409 



Levulose, 180 



fermentation of, 180 

 Levulozymase, 180 

 Liborius-Veillon anaerobic meth- 

 od, 163 



Lichens, as source of litmus, 369 

 Light, artificial, 209 



artificial for microscopical work, 



67 



diffused, 206, 207 

 producing bacteria, 154, 177, 



178 

 relation to pigment formation, 



176 

 Lindner's concave slide culture, 



120 



droplet culture, 84 

 fermentation method, 83, 84 

 Lipase, 180, 183 

 Lipases, action of, 183 

 LIPMAN, J. G. and BROWN, P. E., 

 244, 247, 249, 251, 253, 255, 

 263, 354 

 Liquefaction of boiled egg white, 



24 



of fibrin, 24 



of gelatin, 24, 46, 187, 188 

 of milk curd, 24 

 Liquor cresolis compositus, 48, 



296, 297, 365 

 Liter, 379 

 Litmus, decolorization of, 23, 25, 



181 



Merck's purified, 369 

 milk, 23-26 



reduction of, 23, 24, 181 

 solution, 23, 26 

 solution, purpose of 369 

 source of, 369 

 Loam, clay, Azotobacter in, 253 



sandy, Azotobacter in, 253 

 Loeffler's alkaline methylen blue, 

 265 



LOHNIS, F., 63, 133, 168, 173, 175, 

 192, 241, 244, 247, 249, 251, 

 253, 255, 262, 264, 268, 278, 

 285, 287 



Longevity, 198 



Loop dilution method, 51 



Lugol's iodin solution, 95, 96, 114, 

 115, 189, 309, 375 



M 



Macroscopical changes, 23, 142 

 Magnesium ammonium phos- 

 phate, 246 



carbonate, basic, 353 

 oxid, 245 

 phosphate, 252 

 sulfate, 350-355 

 Magnification, 70-74 

 Maltase, 180, 182 

 Malt extract, 19 

 Maltose, enzyme of, 180, 182 

 fermentation of, 182 

 from starch, 182 

 Manganese sulfate, 351 

 Mannit, fermentation of, 253, 254 



solution, 253-255, 354 

 Manure, anaerobic bacteria in, 



165 



Azotobacter in, 253 

 bacteria in, 165, 241, 243, 248, 



253 



cellulose-decomposing organ- 

 isms in, 246, 247 

 Measuring microorganisms, 70- 



74, 109 



MARSHALL, C. E., 15, 101, 113, 

 114, 140, 141, 144-147, 149, 

 151, 153, 167, 169, 171-173, 

 175, 178, 186, 187-193, 197- 

 200, 202, 203, 205-207, 209, 

 213-215, 217, 219, 222, 227, 

 233, 239, 243, 244, 248, 249, 

 251, 253, 255, 262, 264, 268, 



