TO THE 



STUDETSTS OF IVIEDICINE 



\ OF 



HARVARD UNIVERSITY. 



GENTLEMEN, 



When you come to he enii'a«'ed in tlie res- 

 ponsible duty of conducting the sick to 

 health, or of alleviating their descent to the 

 grave, it ^ill then appear to you how impor- 

 tant it is that you should well understand the 

 profession you embrace. 



To know less tlian can he known, wliere 

 knowledge is power, and where power can 

 never equal the impulse of benevolence, is 

 to be unjust both to ourselves and our pa- 

 tients. When you shall liave obtained this 

 information and faithfuU}^ applied it, you will 

 then feel that consolation which alone re- 

 mains in those cases where the healing art, 

 with all its improvements, still falls so far be- 

 low our wishes and eftorts. 



To decide the uncertainty where worms 

 are suspected, and effectually to expel them 



