INDEX. 189 
Neisser’s stain for diphtheria, 139 Plate, counting, Wolfhiigel’s, 116, 
Nessler's solution, 174 117 
Neutralization, 52 cultures, 66 
Nitrates, 92 Platinum needles, 14 
test for, 93 wire, 14 
Nitrites, production of, 92 Pleomorphism, 90 
test for, 92 Pneumobacillus, 150 
Nitrosomonas europzea, 181 liquefaciens bovis, 176 
javaniensis, 181 Pneumococcus, 150 
Normal salt solution, 173 Pneumonia, 150 
Novy's jars, 79 inoculation of, 151 
Polar staining, 24 
OBJECTIVES, Ir Polychrome methylene-blue, Unna's, 
Obligatory aérobes, 78 172 
anaérobes, 78 Porcelain filter, 45 
Potato, 55 
PARAFFIN bath, 68 cultures, 66 
Park's method for anaérobes, 80 Potato-tubes, 56 
Pasteurization, 44 Production of acid, 94 
Pathogenesis, 85, 94 of alkali, 94 
Pathogenic bacteria, 124 of ammonia, 92 
Penicillium crustaceum, 167, 168 of gas, 77 
Peridineze, 40 of immunity, 85 E 
Peritrichous, 25 of indol, 94 
Petri dish, 67 of liquefying ferment, 80 
Petri’s sand filter, 121 of nitrites, 92 
Phzeophyceze, 40 of pigment, 85 
Phanerogamia, 40 of spores, 35, 90 
Phenolphthalein, 52 of toxin, 85 
Phenol-sulphonic acid, 174 Proteus capsulatus septicus, 177 
Photobacterium. annulare, 180 mirabilis, 175, 
caraibicum, 180 sulphureus, 176 
coronatum, 180 vulgaris, 176 
degenerans, 180 zenkeri, 176 
delgadense, 180 Pseudomonas, 39, 105 
fischeri, 175 Pteridophyta, 40 
glutinosum, 180 Pure cultures, 60 
indicum, 175 Pus, gonorrheal, staining of, 129 
javanense, 181 inoculation of, 125 
luminosum, 180 Pyogenic organisms, 125 
papillare, 180 
phosphorescens, 177, 179 QUALITATIVE analysis of water, 
tuberosum, 180 
II5, 118 
Quantitative analysis of water, 114 
Quartan fever, 160 
Photography, measuring bacteria 
by, 163 
Phragmidiothrix, 41 
Pigment, production of, 85 
Pipet, Chester and Robin, for ma- | REAGENTS, 170 
larial blood, 147, 148 Red algze, 40 
Pitfield’s method for flagella, 25 Reproduction by division, 34 
modification of, 26 by spores, 35 
Planococcus, 39 of bacteria, 34 
Planosarcina, 39 Rhabdochromatium, 42 
Plants, 40 Rhodobacteriacez, 41 
Plate, counting, Jeffer's, 117,118 { Rhodophyceze, 40 
