Page:Blackwell 1898 Scientific method in biology.pdf/76



S an illustration of legitimate and even heroic experiment, the trial made with cholera bacilli by Dr. Von Pettenkofer, of Munich, on himself, during the cholera epidemic of 1891, deserves permanent record. It is of importance as showing the fallacy that may be involved in the exaggerated search for bacilli, as the chief cause of disease, which is the favourite theory and practice of the present day.

Dr. Von Pettenkofer (in opposition to the