426 



Index 



Anthrax, see Bacillus anthracis 



Antibiosis, 191 



Antibiotics 



aureomycin, 191 



bacitracin, 191 



Chloromycetin, 191 



discovery of, 191-192 



in soil, 267 



penicillin, 191 



streptomycin, 191 



terramycin, 391 

 Antibody 



alpha in blood, 410 



beta in blood, 410 



definition of, 304 



in immunity, 313-316 

 Antigen 



AandBinblood, 410, 411 



definition of, 304 



in immunity, 313-316 

 Antiseptic, 196 

 Antitoxins, 180, 331 

 Appert, N., 28 

 Area of a circle, 142 

 Aristotle, 21 

 Arnold sterilizer, 71 

 x\rrangement of bacteria, 89 

 Arrhenius, S., 65 

 Arthropods and disease, 348-357 



history of, 348, 349 



insect vectors, 349-355 



prevention and control, 355-357 

 Ascomvcetes, 359, 361 

 Ascospores 



in molds, 360, 361 



in yeasts, 371-374 

 Ascus, 361 

 Aseptic technic, 118 



photographs demonstrating, 120, 122 

 Aspergillosis, 367 

 Aspergillus, 359 

 Athlete's foot, 366, 367 

 Atomic bomb, 3 

 Atrichic organisms, 106 

 Auramine, 113 

 Aureomycin, 191 

 Autoclave, 72-74 



photograph of, 73 



pressure and temperature, 72 

 Autogenous vaccines, 324 

 Autotrophs, 61, 266 



Azotohacter chroococcum, 273 

 gram stain reaction of, 110 



Babesia bigemina, 349 

 Bacillus 



anthracis, 39-44, 100, 103, 110, 

 339, 340 



biitschlii, 88 



cereus, 110 



of Calmette and Guerin. 324, 325, 

 339 



subtilis, 30, 175 

 Bacitracin, 191 



assay plate of, 193 

 Bacon, R., 7 

 Bacteremia, 301 

 Bacteria 



colonies of, 150 



descriptive chart for, 127 



pH limits for growth, 69 



schematic drawing of, 95 



size of, 2 



speed of locomotion of, 2 

 Bactericide, 196 

 Bacterin, 323, 324 

 Bacteriolysins, 316 

 Bacteriophage 



action on Esch. coli, 400-402 



as bacterial viruses, 393 



theory of immunity, 310-312 



typing technic, 402-403 

 Bacteriopurpurin, 179 

 Bacteriostasis, 59 

 Bacteriostat, 196 

 Bacterium, 54 

 Bartonellaceae, 384-389 

 Bases, 65 



Basidiomycetes, 361 

 Basidiospores, 361 

 Beasties of Leeuwenhoek, 14 

 Bergey, D. H., 56 



Bergev's Manual, see Manual of De- 

 terminative Bacteriology 

 Berkefeld filter, see filtration 

 Berzelius, 33 

 Beta 



hemolysis, 184 



rays, 169 



streptococci, 331 

 Bichloride of mercurv, 201 

 Binary fission, 27, 58^ 85 

 Bioluminescence, 176-178 



