INDEX 



Mounting film preparations, 85 



paraffin sections, 119 

 Mouse cages, 342 



holder, 351 



scales, 341 

 Mucor mucedo, 126 

 Muco rinse, 126 

 Mueller's desiccator, 307 

 Muffle furnace, 28 _ 

 Muirs's capsule stain, 100 



flagella stain, 101 

 Museum preparations of bacteria, 



497 



of tissues, 404 



sealing of, 406 

 Mycelium, 126 

 Mycoprotein, 135 



NAEGELI'S solution, 191 

 Naehrstoff agar (Hesse and Nied- 



ner), 199 

 Naked flame, 28 

 Neisser's stain modified, 1 1 1 

 Net micrometer, 63 

 Neutral litmus solution, prepara- 

 tion of, 179 



red, 94 

 Nitrate bouillon, 185 



peptone solution (Pakes), 186 

 Nitric organisms in soil, 478 

 Nitroso-indol reaction, 287 

 Nitrous organisms in soil, 477 

 Normal averages (t.p.r.), 372 



serum, 375 

 Nosepiece, 57 



double, 58 



triple, 58 

 Novy's anaerobic method, 244 



jars, 245 



Nuclei, to stain, 105 

 Nucleus of bacteria, 135 

 Numerical aperature, 56 

 Nutrient media, 146 

 Nutrose agar (Eyre), preparation 



of, 172 



OBJECT marker, 61 



Objectives, 55 



Oblique tube cultures, 223 



Ocular micrometer, 63 



Oculars, 55 



Oese, platinum, 71 



Oidium, 128 



Oil of garlic, 27 



of mustard, 27 



Oleic acid agar (Fleming), 201 

 Omeliansky's nutrient fluid, 189 

 Operation tables (Eyre's), 352 



(Tatin's), 351 

 Opsonic index, 393 



Opsonic index, determination of, 



390 



Opspnin, 387 

 Optical characters of colonies, 



267 

 Optimum reaction of medium, 



determination of, 305 

 temperature, determination of, 



298 



Organisms of suppuration, 409 

 Orsat-Lunge gas apparatus, 292 

 Orth's carmine, 96 

 Oxford stain for Actinomyces, 112 

 Oysters, analysis of, 463 



Pake's counting disc, 424 



filter reservoir, 45 

 Papier char din, 158 

 Pappenheim's stain, in 

 Paraboloid condenser, 60 

 Parachromophorous bacteria, 144 

 Paraffin method for sections, 117 



sections, mounting of, 119 



to stain, 121 



Paratrophic bacteria, 131 

 Parietti's bouillon, 202 



method of isolating coli-ty- 



phoid group, 437 

 Parsnip medium, 200 

 Passages of virus, 320 

 Pasteur-Chamberland filter, 42 

 Pasteur's pipettes, 10 



solution, 191 

 Pathogenesis, investigation of, 



315 



Pathogenic bacteria, 131 

 study of, 408 



Pediococci, morphology of, 132 



Penicillium, 128 



Peptone rosolic acid water, 1 86 

 water (Dunham), preparation 

 of, 177 



Percentage formula, 496 



Perchloride of mercury, 27 



Perisporacae, 127 



Peritrichous bacilli, 136 



Permanent preparations of bac- 

 teria, 407 



of tissues, 404 



Petri's dishes, 6 



Phagocytic index, 392 



Phenol coefficient, 489 

 production, test for, 287 



Photogenic bacteria, 131, 144 



Physiological filter, 156 



Picric acid solution, 121 

 (Spengler's), 112 



Picrocarmine, 97 



Pigment production, observations 

 on, 288 



