3^ On the Effects of Opium 



EXPERIMENT 12. 



With jEther. 



Hours. Minutes. 



8. — The heart of a frog exposed, beat 

 56. Twenty drops of vitriolic 

 aether were poured upon it, after 

 the firs.t three drops were poured 

 on, the heart ceased to pulsate for 

 two minutes. 



3. It exhibited a few feebjc motions. 



4. It had entirely ceased : the stimulus 



of the point of a lancet did not 

 excite any motion : the extremi" 

 ties were contractile an hour af- 

 terwards. 



EXPERIMENT 13. 



8. 50. Upon a heart beating 60, ten drops 

 of vitriolic aether were poured 

 and ten of water, the heart ceased 

 to move after the first five drops 

 were poured on. 

 51|. It exhibited 25 feeble contractions. 

 53. Heart was without motion, and did 

 not contract on the application of 

 a needle and lancet. 

 The extremities contracted afterwards for an 

 hour and an half when stimulated. 



