en the Living Si/stem, It 



tractions in a minute j |«n minutes after im- 

 mersion, six or eight contractions, and after 

 twelve minutes had entirely ceased, and couli 

 not be excited anew to contract. 



(f) Exptrimeiit 3. 



Another heart immersed in an ounce of i 

 stronger solution, only exhibited three or fou: 

 strong contractions, on the period of immersior 

 and afterwards was irritated in vain. 



(g) Experiment 4. 



The heart of another rabbit was placed in a 

 wine glass and three drams of the strong solu- 

 tion poured on, whilst contracting 50 times in 

 a minute : after 3 minutes spontaneous con- 

 tractions had ceased, but irritated with a 

 needle a few contractions were excited : after 

 the lapse of 5 minutes no contractions could be 

 excited. 



In order to examine how far the opium con- 

 tained in the soldtion contributed to produce 

 the above rapid exhaustion of irritability, 



(f) Vid. p. 10. Inaugural Dissert. Exp. 7. 

 (f; Vid. p. 10 & 11. Exp. 8, 



