242 LOUIS PASTEUR. 



no longer strength to eat. The vaccinated sheep were 

 in full health and gaiety. The vaccinated cows 

 showed no tumour ; they had not even suffered an 

 elevation of temperature, and they continued to eat ' 

 quietly. 



There was a burst of enthusiasm at these truly 

 marvellous results. The veterinary surgeons especi- 

 ally, who had received with entire incredulity the an- 

 ticipations recorded in the programme of the experi- 

 ments, who in then: conversations and in their journals 

 had declared very loudly that it was difficult to believe 

 in the possibility of preparing a vaccine capable of 

 triumphing over such deadly diseases as fowl cholera 

 and splenic fever, could not recover from their sur- 

 prise. They examined the dead, they felt the living. 



* Well,' said M. Bouley to one of them, ' are you 

 convinced? There remains nothing for you to do 

 but to bow before the master,' he added, pointing to 

 Pasteur, ' and to exclaim 



" I see, I know, I believe, I am undeceived." ' 



Having suddenly become fervent apostles of the 

 new doctrine, the veterinary surgeons went about 

 proclaiming everywhere what they had seen. One 

 of those who had been the most sceptical carried 

 his proselytising zeal to such a point that he wished 

 to inoculate himself. He did so with the two first 

 vaccines, without other accident than a slight fever. 



