Chapter II: Appendix: 337

ILLUSTRATIONS

PAGE

VARIOUS FORMS OF BACTERIA 9

SARCINA 10

NORMAL AND PLEOMORPHIC FORMS OF TUBERCLE 13

BACILLI, SHOWING FLAGELLA 15

VARIOUS FORMS OF SPORE FORMATION AND FLAGELLA 18

POTATO IN A ROUX TUBE PREPARED FOR CULTIVATION 22

STAPHYLOCOCCUS PYOGENES AUREUS INCUBATOR _to face_ 22

CULTURE MEDIA READY FOR INOCULATION 23

INOCULATING NEEDLES 24

PASTEUR'S LARGE INCUBATOR FOR CULTIVATION AT ROOM
TEMPERATURE _to face_ 24

METHOD OF PRODUCING HYDROGEN BY KIPP'S APPARATUS
FOR CULTIVATION OF ANAËROBES 27

ANAËROBIC CULTURE 28

KOCH'S STEAM STERILISER 31

LEVELLING APPARATUS FOR KOCH'S PLATE 40

MOIST CHAMBER IN WHICH KOCH'S PLATES ARE INCUBATED 41

HOT-AIR STERILISER 42

THE HANGING DROP 44

DRYING STAGE FOR FIXING FILMS 45

TYPES OF LIQUEFACTION OF GELATINE 47

WOLFHÜGEL'S COUNTER 49

PETRI'S DISH 50

BERKEFELD FILTER 52

APPARATUS FOR FILTERING WATER TO FACILITATE
ITS BACTERIOLOGICAL EXAMINATION _to face_ 52

BACTERIA OF TYPHOID FEVER 56

BACILLUS COLI COMMUNIS 60

THE COMMA-SHAPED BACILLUS OF CHOLERA 66

*BACILLUS TYPHOSUS _to face_ 66

*BACILLUS TYPHOSUS " 66

*BACILLUS COLI COMMUNIS " 66

*BACILLUS MYCOIDES " 66

PASTEUR-CHAMBERLAND FILTER 80

PROTEUS VULGARIS 86

BACILLUS ENTERIDITIS SPOROGENES 86

A PLAN OF SEPTIC TANK AND FILTER-BEDS 91

FILTER-BEDS 94

MIQUEL'S FLASK 97

SEDGWICK'S SUGAR-TUBE 99

SEDGWICK'S TUBE 100

SACCHAROMYCES CEREVISIÆ 117

ASCOSPORE FORMATION 120

GYPSUM BLOCK 121

YEAST _to face_ 122

ASCOSPORE FORMATION IN YEAST " 122

NITROGEN-FIXING BACTERIA FROM ROOTLET NODULES " 122

*BACILLUS OF TETANUS " 122

SACCHAROMYCES ELLIPSOIDEUS 126

SACCHAROMYCES PASTORIANUS 126

BACILLUS ACIDI LACTICI 131

BACILLUS BUTYRICUS 133

KIPP'S APPARATUS 140

FRÄNKEL'S TUBE 141

BUCHNER'S TUBE 141

A METHOD OF GROWING CULTIVATIONS IN A VACUUM OVER PYROGALLIC
SOLUTION 143

MICROCOCCUS FROM SOIL 151

NITROUS ORGANISM _to face_ 158

NITRIC ORGANISM " 158

NITROGEN-FIXING ORGANISM FROM SECRETION
OF ROOT-NODULES " 158

ROOTLET OF PEA WITH NODULES 163

NITROGEN-FIXING BACTERIA IN SITU IN NODULE
ON ROOTLET OF A PEA _to face_ 164

NITROGEN-FIXING BACTERIA IN SITU IN ROOTLET-NODULE
OF A PEA " 164

NITROGEN-FIXING BACTERIA IN SITU IN ROOT-NODULE
OF A PEA " 164

BACILLUS OF TETANUS 170

BACILLUS OF SYMPTOMATIC ANTHRAX 172

BACILLUS OF MALIGNANT ŒDEMA 172

A CENTRIFUGE 228

SUSPENDED SPINAL CORD 255

FLASK USED IN THE PREPARATION OF THE TOXIN OF DIPHTHERIA 262

*BACILLUS TUBERCULOSIS _to face_ 280

*BACILLUS TUBERCULOSIS " 280

*STREPTOCOCCUS PYOGENES " 280

*BACILLUS ANTHRACIS " 280

FLASK USED IN THE PREPARATION OF TUBERCULIN 282

BACILLUS OF DIPHTHERIA 289

TYPES OF STREPTOCOCCUS 298

MICROCOCCUS TETRAGONUS 299

DIPLOCOCCUS OF NEISSER 300

BACILLUS OF ANTHRAX AND BLOOD CORPUSCLES 302

THREADS OF BACILLUS ANTHRACIS, SHOWING SPORES 302

BACILLUS OF PLAGUE 306

*BACILLUS OF PLAGUE _to face_ 310

*BACILLUS OF LEPROSY " 310

STREPTOTHRIX ACTINOMYCES " 310

BACILLUS MALLEI " 310

DIPLOCOCCUS OF PNEUMONIA 312

BACILLUS OF INFLUENZA 315