PHYSICAL AND LITERARY. 355 



2. We obferve, that, in an over dofe, 

 whether applied outwardly or inwardly, 

 it ads as a narcotic ; which efpecially ap- 

 pears from the extraordinary dilatation of 

 the ventricle of the heart before it con- 

 tradls. 



E X P E R. III. {One Trial) 



I tied the aorta^ vena cava, and lympha- 

 tics, and then applied camphire to the hind 

 extreiTiities ; but without finding, after 

 three hours, that the animal w?is in the 

 leaft degree affeded. 



{Tivo Trials). 



After deftroying the bra^n and fpinal 

 marrow with a probe, I cut out the heart, 

 and then applied camphire to the hind 

 legs. After an hour and an half, I exa- 

 mined the fore part of the body, without 

 perceiving the fraell or tafte of the cam- 

 phire in it. 



RE- 



