INDEX 



407 



Hemolysin, source of, 325 



titration of, 327 

 Hemolysis, 325-329 

 Hemolytic serum, preparation of, 



323, 324 

 system, 328, 329 



Hesse's method for anaerobes, 157 

 Hexoses, 23, 180 

 HILL, 81 

 Hoffman and Fiske's enrichment 



medium, 361, 362 

 HOFFMAN C. and HAMMER, B. W., 



255 



HOFMEISTER, 32 



HOLM, M. L. and GARDNER, E. A., 



213 



HOOKER, A. H., 236-238 

 Hospital gauze, 3 

 Hot air sterilization, 7 

 HUEPPE, 38 

 Humus, 239, 240 



Hydrochloric acid, N/l, prepara- 

 tion ot, 367, 368 

 acid N/20, 20 

 acid N/20, preparation of, 367, 



368 



Hydrogel, 33 

 Hydrogen, atmosphere of, 157, 



164, 165 

 peroxide, enzyme of, 181, 184, 



191, 239, 240 



sulfid, Beijerinck's test for, 174 

 sulfid, production of, 174, 175, 



190, 191 



sulfid, test for, 130 

 Hydrophobia, 13 

 Hyphse, 100, 101, 108 



IAGO, WM. and IAGO, WM. C., 116 

 Ice cream, microflora of, 289-291 

 Illumination for microscope, 67, 69 

 Image, reversed, in microscope, 68 



Immunity, 295, 301, 303-329, 370 

 in plants, 294 

 production of, 295 

 tests, 13 



Impression preparation, 98, 99, 

 375 



Inactivated serum, 325-329 



Inactivation of serum, 326, 328 



Incision, crucial, 299 



Incisions, 297 



Incubator, 37, 53 



India ink, 85 



Indicators, 20, 369 



Indigo, 181 



Indol, 43, 131-133, 370 

 Ehrlich's test for, 132, 133 

 graphic formula of, 132 

 in peptone, 132 

 solutions, 370 

 test for, 132, 133, 370 



Infection, x 



Infusion, hay, 9, 19 



meat, preparation of, 28, 29 



Inhibit, 1 



Inhibitive action, 216 



Ink, Chinese, 85, 86, 243, 247 

 preparation of, 372 

 preparation, Chinese, 85, 86 



Inoculation, animal, 295-300 

 cutaneous, method of, 297 

 ingestion, method of, 300 

 intraabdominal, method of, 299 

 intramuscular, method of, 298 

 intraorbital, method of, 299 

 intraperitoneal, method of, 299 

 intrapulmonary, method of, 300 

 intravenous, method of, 298 

 of media, 45, 46, 59-61 

 subcutaneous, method of, 297 

 subdural, 299 



Inoculations, mold, 62 



Inoculum, 14, 197, 297 



Inosit, 359 



