Vaccine Inoculation. 77 



correct ; or to communicate his mere doubts, vvitli 

 an open but becoming caution. 



As the Editor of the Philadelphia Medical and 

 Physical Journal (a work which has now a very con- 

 siderable circulation through the United-States), I 

 shall gladly receive any facts or doubts tending to 

 invalidate the efficacy of the vaccine, as a preventive 

 of the variolous disease. I hope, and believe, that 

 the catalogue of such facts (at least) will not be con- 

 siderable. I am even inclined to believe, that the in- 

 vitation which I have thus given, 'mill essentially con- 

 tribute to promote the practice of Vaccination in the 

 United- States. 



The following observations, by a respectable Bri- 

 tish practitioner, are by no means favourable to the 

 importance of the Jennerian discovery. They are 

 here republished from a printed paper, circulated 

 among his friends, by the author. The concluding 

 part of the paper, in small letter, is from some MS. 

 additions by the author himself. 



