Xii PREFACE. 



of the necessity of a second edition. I have already begun to collect 

 materials for a work, in a form nearly similar, relating to every depart- 

 ment of medical knowledge: this work will not, however, be speedily 

 ready for publication ; it will be comparatively more concise than thesa 

 lectures, in proportion to what has been said and written respecting 

 physic, but, I hope, much more complete, with regard to all that is. 

 known with certainty, and can be applied with utility. 



Wclbeck Street, 

 OOtb March, 180?. 



