CONTENTS. 



I. 



Page 



The Croonian Lecture, on some Physiological Re- 

 searches, respecting the Influence of the Brain on the 

 Action of the Heart, and on the Generation of Animal 

 Heat - - 1 



II. 



Further Experiments and Observations on the Influence 

 of the Brain on the Generation of Animal Heat - 17 



III. 



Experiments and Observations on the different Modes 

 in which Death is produced by certain Vegetable 

 Poisons - - 37 



IV. 



Further Observations and Experiments on the Action 

 of Poisons on the Animal System - - - 75 



ADDITIONAL NOTES - - - - - -105 



