316 INDEX 



Wheeler, anaphylactic theory, 246 Yeasts, fermentation, 5 

 Widal, biological diagnosis, 252 milk putrefaction, II 



Willanen, toxin experiment, 212 nutrition, 77, 73 



Wollmann, aseptic breeding, 31 reproduction, 67 



Wolff- Eisner, ophthalmo-reaction, Yellow fever, 149, 154 



262 Yersin, toxins, 159 

 Wright, opsonins experiment, 204 



, 57 



YEASTS, 54 Zischeria, aseptic condition of, 31 



chemical composition, 70 Zygosaccharomycetes, 67 



cold, effect on, 96 Zymase, 83, 169 



