2 LAB OR A TOR Y G U1DE IN PH YSIOLOG V. 



in stimulating vagus nerve before and after its ex- 

 hibition ? 

 (*/) Had atropin acted on the accelerator apparatus 



would there be a difference in such results ? 

 O) If now, on stimulating the heart muscle directly, 



you obtained a normal physiological effect, to what 



elements have you limited the possible action of 



atropin ? 

 (/) Basing your opinion on the experiments you have 



performed, to what elements have you limited the 



possible action of atropin? 

 (5) Further general observations. 

 (0) Take temperature per rectum. 

 () Note condition of visible mucous membranes, 



with regard to their secretions. 

 (V) If dog can be kept until next day, note size of 



pupils. 



