The PREFACE, 



ones^ that are not ereBed 07i the more 

 folid bajis of repeated experience^ and 

 Jedulous obfervation, 



FOR thefe reafo7is particularly we 

 have endeavoured to be as explicit as 

 pojjible^ in enumerating the fymptoms, 

 ds laid down by the befi authors 5 ejiee^n- 

 ing them to be the only true guides that 

 can lead us to the knowledge of the dif 

 eafe, and confequently to the rejnedy. 

 Should it be thought we have dwelt too 

 long on this party we mi{ft plead the 

 importance of it for our excufe, as we 

 apprehend^ by being more concfe^ the 

 work had been lefs valuable. 



IT may not be improper here alfo 

 to acquaint the reader^ that this piece 

 was originally drawn up^ and iiitended 

 for tloe author s own ufe^ to refer to 

 occa/ionally y and fave the trouble of 

 turning over 071 every occajion the va- 

 rious writers 07i th;s fubjeB -^ a7id that 

 having bee7i frequently borrowed by his 

 friends, their approbatim of the plan y 

 cJid requefty prevailed on hi7n to fend 

 it to the prefix with fome additions, 



Z He 



