748 



INDEX OF SUBJECTS 



Hyphomyoetes, varieties of, mycomy- 

 cetes, morphology of, my- 

 celial threads (septate) in, 

 637 

 sterigmata (septate) in, 637 

 morphology of less frequent 

 forms of, 637 

 ascospores in, 637 

 chlamydospores in, 638 

 phycomycetes, 635 



morphology of (typical), 635-636 

 columella in, 636 

 hjTjhal branches in, 636 

 mycelial threads (non-septate) 



in, 686 

 sporangium in, 636 

 spores in, 636 

 morphology of sexual reproduc- 

 tion forms of, 636 

 gametophores in, 636 

 zygospores in, 636 



"Immune body" in blood serum, 226 

 in EhrUch's theory of lytic process in 

 blood serum, 226 

 haptophore groups of, 228 

 complementophile, 228 

 cytophile, 228 

 Immunity, absolute, 190 

 acquired, 192 



definition of, 190, 192 

 active, 193 

 artificial, 193 

 definition of, 193 



experimentation with attenuated 

 cultures for, 193 

 with bacterial products for, 195 

 with dead bacteria for, 195 

 with sublethal doses of fully viru- 

 lent bacteria for, 195 

 definition of, 189 

 natural, 190 

 individual, 191 

 of races, 191 

 of species, 190 

 passive, 196 



relation of, to phagocsrtotic powers in 

 animals, 279 



Immunization, blood the seat of, 198 

 Incubation of cultures, 156 

 incubators in, 158 

 gas-pressure regulators for, 160 

 thermo-regulators for, 159 

 Indigo production, bacteria in, 716 

 Individual immunity, 191 

 in higher animals, 192 

 in lower animals, 191 

 Indol production by bacteria, 167 

 Industries, bacteria in, 715 

 Infection, definition of, 181 

 fundamental factors in, 181 

 paths of, 183 

 inner, 184 

 outer, 183 

 Infectiousness, definition of, 182 

 due to number of bacteria, 182 

 due to variations in virulence, 183 

 Influenza, epidemic of, in 1889-90, 536 



organs attackefd in, 540 

 Influenza bacillus, 536 

 bacteria related to, 541 

 Bacillus murisepticus, 542 

 baciUus of pleuro-pneumonia, 542 

 Bacillus rhusiopathise, 642 

 Koch- Weeks bacillus, 542 

 pseudo-influenza bacillus, 541 

 biology of, 540 



isolation and cultivation of, 637 

 on agar and gelatin, 537 

 blood added in, 537 

 hemoglobin added in, 537 

 hematogen added in, 638 

 morphology and staining of, 536 

 pathogenicity of, 540 



in experimental inoculation of ani- 

 mals, 541 

 organs attacked in, 540 

 susceptibiUty of animals to, 541 

 Inhibition, coefficient of, 80 

 Inhibition strengths of various antisep- 

 tics, 84 

 Inoculation of animals, 170 

 intraperitoneal, 172 

 intravenous, 172 

 subcutaneous, 171 

 Inoculation of media, 141 



