INDEX 



321 



Bacilli, plague, 241 

 size and shape, 37 

 tubercle, 241 



chemical analysis of, 65 

 typhoid, 244 

 Bacillus, 37, 43, 47 

 anthracis, 296, 315 



capsule formation, 28 



spore staining of, 206 

 blue milk, 311 

 of contagious abortion, 241 

 definition of, 37 

 diphtheria, 29 

 Ducrey's, 241 

 glanders, 46 

 subtilis, 63 



cellulose in, 63 



oxygen requirement, 57 



spore staining, 206 

 tubercle, 249 

 typhoid, 29 

 Bacterie.e, 47 



Bacteria, absorption of N bv, 103 

 acid fast, 64, 65, 206 

 adaptability, range of, 71 

 aerobic, 56, 212 

 aids in isolation of, 195 

 anaerobic, 56, 311 



molecular respiration of, 69 

 analysis of ash of, 62 

 anilin dyes, action of, on, 148 

 cause of disease in animals, 309 



of souring of milk, 311 

 cell forms of, 37 



groupings of, 40 



structures of, 25 

 chains of, 19 



chemical composition of, 18, 61 

 classed as fungi, 312 



as plants, 312, 314 

 dangerous, relatively few, 50 

 definition of, 24 

 dissemination of, 243 

 distribution of, 49 

 elimination of, 243 

 energy relationships of, 23 

 entrance of, 239 

 environmental conditions for 



growth, 49 

 first classification of, 312, 313 



drawings of, 299 



seen, 298, 313 

 21 



Bacteria, food relationships of, 19 

 fossil, 50 



growth curve of, 74 

 higher thread, 20, 23 

 in feces, 50 

 iron, 66, 70 

 isolation of, 191 

 lactic acid, 82 

 measurement of, 20, 200 

 mechanism of entrance, 243 

 metabolism of, 66 

 methods of study of, 158 

 morphology of, 25 

 motile, 29 

 nitric, 101 

 nitrous, 101 

 nucleus of, 26 

 occurrence of, 49 

 pathogenic outside body, 233 

 phosphorescent, 97 

 position of, 17 

 rate of division of, 71, 72 



of movement of, 29 

 relation to algae, 18, 19 



to animals, 22, 23 



to elements, 66 



to gas and oil, 80 



to molds, 20, 23 



to phosphate rock, 102 



to plants, 23 



to protozoa, 22, 23 



to soil fertility, 105, 106 



to sulphur deposits, 102 



to yeasts, 18, 23 

 reproduction of, 18, 40 

 root tubercle, 66, 67, 95 

 shape of, 37 

 size of, 24 



soil, function of, 105 

 sources of N for, 70, 95 

 speed of, 29 

 spiral, 37 



staining of, 201-209 

 study of, 158 

 sulphur, 66, 70 

 surface reactions in, 73 

 thermophil, 53, 103 

 true, 20 



universal distribution of, 71 

 in urine, 50 

 in vinegar, 84 

 Bacteriace^, 45, 47 



