Heald & Tucker. 



Roy. Soc. Proc. B, vol. 93, pi. 7. 

 Fig. 10 



1 v ^ V 



**** '\rJ^ 



Fig. 11 



(a) Normal Recoil Curve as 

 general Control. 



(b) 5 minutes after 1 ounce 

 of Peppermint Water (to 

 demonstrate presence of 

 a psychological effect, if 

 any). Showing no psycho- 

 logical effect produced. 



c) 5 minutes after 1 ounce 

 of Peppermint Water, to 

 which 15 drops of Liquor 

 Adrenalin had been added- 



,vn AM T**^ 













hG 









































;' !.].; i 







Am* 



«/«-. 



- ' - A.. 





(d) 5 minutes after 1 ounce 

 of Peppermint Water, to 

 which 1/150 grain of 

 Nitroglycerin had been 

 added. Showing great 

 increase in second and 

 third peaks. 



(e) Control curve taken half- 

 an-hour after <d), show- 

 ing complete return to 

 normal. 



