82 On the Ejects of Opium 



Hours. Minutes. 



35. Heart feeble and beating only 53. 

 40. Only 50 contractions, but they ap- 

 pear more strong and vigorous. 

 45. 43 Strong contractions in a minute. 

 50. One drop of the solution with four 



of water were poured on, 

 55. Heart makes 40 strong vigorous con- 

 tractions. 

 3. 10. 43 Strong J and vigorous contrac- 

 tions. 

 15. 47 Strong and vigorous contractions. 

 40. Only 39 contractions in a minute. 

 After this the contractions appeared to vary 

 with the struggling of the animal : it was not 

 dead at six o'clock 3 had never been convulsed, 

 and was then killed. 



EXPERIMENT 4. 



M. 



Heart exposed as before beating 54. 



35. One drop of the solution and nine 

 of water, computed to contain 

 1-lOth of a grain of opium were 

 applied to the heart. Little or 

 no struggle ensued. 



38. Heart beats 59 in a minute : and con- 

 tractions apparently more strong. 



43. Heartbeats 61 y strong contractions. 



