r (Loeffler), 207

Malt extract solution (Herschell), 196

Margin of individual colonies, 267

Martin's filtering apparatus, 320

Material for inoculation, 346

Mayer's albumin, 120

Mean phenol coefficient, 490

Measuring bacteria, 61

Meat, bacteriological analysis of, 460
extract preparation of, 148
reaction of, 149

Mechanical separation of bacteria, 249
stage, 52

Media, filtration of, 156
preparation of, 163
aerobic culture, 222
aesculin agar, 204
agar-agar, 167
agar gelatine (Guarniari), 194

Media, preparation of anaerobic culture, 180
animal tissue (Frugoni), 210
ascitic bouillon, 210
fluid agar (Wassermann), 213
asparagin (Fraenkel and Voge's), 183
(Uschinsky), 183
beer wort, 175
beetroot, 200
Beyrinck's solution I, 197
II, 198
bile salt agar (MacConkey), 205
broth (MacConkey), 180
double strength, 199
blood agar (Washbourn), 214
blood-serum, 168
(Councilman and Mallory), 208
(Loeffler), 208
(Lorrain Smith), 208
bouillon, 163
bread paste, 193
brilliant green agar (Conradi), 206
bile salt agar (Fawcus), 206
Capaldi-Proskauer, No. I, 186
No. II, 187
carbohydrate, 177
carbolised agar, 202
bouillon, 202
gelatine, 202
carrot, 200
China green agar (Werbitski), 207
citrated blood agar, 171
Cohn's solution, 191
dextrose solution, 178
double sugar agar (Russell), 207
earthy salt agar (Lipman and Brown), 197
egg Dorset, 174
Lubenau, 209
egg-albumen, inspissated, 212
(Tarchanoff and Kolesnikoff), 212
egg-albumin agar, 213
broth (Lipschuetz), 213
English proof agar (Blaxall), 193
fish bouillon, 190
gelatine, 190
agar, 190
fluid, 146
French mannite agar (Sabouraud), 193

Media, preparation of French proof agar (Sabouraud), 193
Fuchsin agar (Braun), 205
sulphite agar (Endo), 206
gelatine, 193
agar, 193
glucose formate agar (Kitasato), 180
bouillon (Kitasato), 180
gelatine (Kitasato), 180
glycerinated broth, 209
potato, 209
glycerine agar, 209
blood-serum, 208, 209
bouillon, 209
potato bouillon, 203
gypsum blocks (Engel and Hansen), 192
haricot agar, 200
bouillon, 200
hay infusion, 200
inosite free-bouillon (Durham), 183
iron bouillon, 185
peptone solution (Pakes), 185
lactose litmus agar (Wurtz), 203
bouillon, 203
gelatine (Wurtz), 203
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