744 



INDEX OF SUBJECTS 



Disinfectants, used in solution, organic, 

 essential oils, 78 

 formaldehyde, 78 

 iodoform, 77 

 Disinfection, practical, 86 

 of feces, 87 

 of hands, 87 

 of instruments, 87 

 of Hnen, etc., 87 

 of rooms, etc., 88 

 of sputum, 87 

 of urine, 87 

 Dissociation, electrolytic, 74 



relation between degree of, and 

 bactericidal powers of solutions, 

 74 

 Dorsett egg medium, 130 

 Drying in destruction of bacteria, re- 

 sistance to, 62 

 DTN'M^i™, definition of, 205 

 Ducrey bacillus, 547 



cultivation and isolation of, 548 

 discovery of, 548 

 infection with, 547 

 pathogenicity of, 549 

 Dysentery, autopsy findings in, 442 

 occurrence of, 442 

 symptoms of, 442 

 Dysentery bacilli, 435 



biological considerations of, 441 

 differentiation of, by Hiss, through 

 agglutination tests, 440 

 through fermentation tests, 439 

 immunization with, 444 

 active, 444 

 agglutinins in, 444 

 bactericidal substances in, 444 

 true toxins in, 445 

 passive, 445 

 in feces, 178 



investigation of, by Flexner, 436 

 by Hiss and Russell, 438 

 by Kruse, 437 

 by Lentz, 438 

 by Martini and Lentz, 438 

 by Ohno, 439 

 by Park and Carey, 439 

 by Park and Dunham, 438 



Dysentery bacilli, investigation of, by 

 Shiga, 435 



by Spronck, 437 



by Strong and Musgrave, 436 



by Vedder and Duval, 437 

 pathogenicity of, 441 

 pseudo-dysentery bacillus and, 437, 



438 

 Shiga's bacillus in, 435 



cultural characteristics of, 436 



morphology of, 435 

 toxic products of, 442 



action of, on animals, 443 



obtaining of, from cultures, 442 

 "Y" baciUus in, 438 



Ebehth, discovery of typhoid bacillus 

 by, 399 



Edema, mahgnant, bacillus of. See 

 under Malignant edema 



Eel-blood serum, toxic, 205 



Eggs used in clearing culture media, 119 



Ehrhch's analysis of diphtheria toxin, 

 205-215. See also under Diphtheria 

 toxin 



Eichstedt, discovery of Microsporon fur- 

 fur by, 639 



Electricity in destruction of bacteria, 65 



Electrolytic dissociation, 74 



relation between degree of and bac- 

 tericidal powers of solutions, 74 



Elser and Huntoon, discovery of pseudo- 

 meningococcus by, 379 



Eisner's potato-extract gelatin, isola- 

 tion of typhoid bacillus in stools by, 

 407 



Emphysematous gangrene, isolation of 

 Bacillus aerogenes capsulatus from,4f4 



Endolysins, 291 



Endo's fuchsin-agar, isolation of ty- 

 phoid bacillus in stools by, 409 



Endo's medium, for colon-typhoid dif- 

 ferentiation, 135 

 Harding and Ostenberg's method of 

 preparation of, 136 



Endospores, 16 



Endotoxins, 185, 306 



compared with pigments, 186, 309 



