52 On the Effects of Opium 



EXPERIMENT 27. 



Into the stomach of another frog, two drops 

 diluted with ten of water, were thrown. 



Hours. Minutes. 



5. — Heart beating 58. 



5. Heart beat 66, 



10. Heart beat 50, but the animal did 

 not appear to be enfeebled. 



20. Heart beating 50, no further ob- 

 servations were made upon it. 



EXPERIMENT 28. 



Into another- — One drop of spirits of wine 

 was thrown, with ten drops of water : but it 

 could not be observed, if any alteration was 

 made by it upon the heart of the animal. 



EXPERIMENT 29. 



Wilh yEiher. 

 The heart of a frog beating 57. 



H. M. 



10. — Thirty drops of a:ther were thrown 

 into the stomach. 



2. Heart beat 50. 



5. Heart beat 46, and the animal ap- 

 peared weaker. 



