276 



INDEX 



Cultures, slope, 170 



stab, 169 

 Curled edge, 208 

 Cutaneous inoculation, 211 

 Cycle, nitrogen, etc., 96, 97 

 Cvtolysin, 249 

 Cvtolysins, 248-255 

 Cytolytic, 249 



serums, failure of, 252 



substances, 268 

 Cytophil haptophore, 250 

 Cytoplasm, 39 

 Cytotoxic, 249 



Dallbra, 264 

 Davainb and Rayeh, 26 

 Death-point, thermal, 65 

 determination of, 198 

 Decomposition of urea, 95 

 Deep culture tubes, 174 

 Definition of bacteria, 37 



of imniunity, 217 



of pathogenic bacteriology, 213 



of spore, 48 



of unit, 241 

 Degeneration forms, 51 

 Denitrification, 102 

 Deodorant, 119 

 Deposits of sulphur, 104 

 Descriptive chart, 200 

 Detection of blood, 246 

 Determination of oxygen relations, 

 198 



of thermal death-point, 198 

 Deviation test, complement, 253 

 Diastase, 112 



Diffusion, food of bacteria by, 36 

 Digestion of milk, 91 

 Diluting blood serum, necessity 



for, 244 

 Dilution plates, 178 

 Diphtheria, 223, 227 



antitoxin, 28 

 Diplobacillus, 52 

 Diplococcus, 53 

 Diplospirillum, 52 

 Discharges, intestinal, 226 



nasal, 226 



urethral, 226 



vaginal, 226 

 Discontinuous sterilization, 121 



Disease, acute, 214 



Bilharzia, 26 



causation of, 23, 116 



chronic, 214 



contagious, 25 



foot-and-mouth, 223, 226 



germs, 23 



hookworm, 26 



Johne's, 225, 226 



non-specific, 215 



of flies, 26 



of silkworms, 26 



silkworm, 25 

 Diseases, contagious, 214 



infectious, 213 



skin, 222 



specific, 215 

 Dishes, Petri, 164 

 Disinfectant, 119 

 Disinfectants, factors affecting, 



152-156 

 Disinfection, 118 



and sterilization, practical, 152- 

 156 



chemical agents, 144-150 



choice of agent, 151-156 



clothing for, 156 



of animals, 155 



of barnyards, 153-155 



of harness, 155 



of manure, liquid, 155 



of rooms, 163 



of stables, 153-155 



of stock oars, 155 



of surgical instruments, 153 



of un washable articles, 155 



of vehicles, 155 



of washable articles, 155 



physical agents for, 119-143 



steam and formaldehyde, 156 

 Dissemination of organisms in the 



body, 225 

 Distilling, sour mash, 87 

 Division, planes of, 53 



rate of, 80 

 Dosage of vaccines, 262 

 Dose, minimum lethal, 241 



standard test, 241 

 Douglas, 256 

 Dourine, 224, 226 

 Drumstick spore, 47 

 Dry heat, 121 

 Drying, 119 

 Ducrey's bacillus, 224 



