64 Literary and Philosophical Society. 



House of Recovery, they have now the satisfaction to reflect, 

 that in discussing the theory of contagious diseases the 

 minds of their fellow-townsmen were relieved from many 

 fanciful and absurd prepossessions ; that the propriety and 

 urgency of the measures proposed became more generally 

 understood ; and that a more powerful interest was exerted 

 for carrying them into effect than could have been expected, 

 had their merit been, in the first instance, allowed to pass 

 unquestioned. The success which attended the execution 

 of this scheme, and the important benefits which have 

 resulted from it, having excited in the metropolis, and 

 several of the principal towns throughout Great Britain 

 and Ireland, a very general desire to promote similar 

 establishments, an unexpected demand was made for the 

 papers contained in the present volume, copies of which in 

 a detached state have been long unattainable.' (1805) 



The following will also illustrate the state of knowledge 

 in Lancashire, and opinions on the Manchester School of 

 Medicine and Sanitary Knowledge. Dr. Campbell was 

 one of those whose letters to Dr. Percival are preserved ; 

 the following reminiscence of him by a townsman may take 

 the place of his letter. 



Remarks on an Epidemic of Typhus, which prevailed in the 

 cotton districts of Lancashire, and was described by Dr. 

 Campbell, of Lancaster, in the year 1785. Read by 

 Christopher Johnson, of Lancaster, at the meeting of 

 certifying surgeons, Manchester, July 14, 1869. 



* Dr. Campbell, of Lancaster, published, in the year 1785, 

 " Observations on the Typhus or Low Contagious Fever," 

 in which he gave a description of an epidemic which pre- 

 vailed during the two preceding years among the cotton- 



