82 Chapter VI 



(b) Before and after pilocarpine. 



Gas per gram per min. 



Oxygen 

 Period used 



I Before pilocarpine 0-050 

 II After pilocarpine 0-010 



I II 



FIG. 44. Pilocarpine injected between periods I and II. 



C0 2 



given out 



0-048 c.c. 

 0-003 c.c. 



(c) Effect of atropine following on that of pilocarpine. 



II 



in 



IV 



FIG. 45. Eecord of puppy's heart. Upstroke = systole. Period I is normal. Period II 

 shows the effect after injecting 5 rngs. of pilocarpine and Period III after 20 mgs. 

 Periods IV and V show the recovery of the heart after two successive doses of 

 atropine. 



Gas per gram per rnin. 



Period 



I 



II 



III 



IV 



V 



Oxygen 



No drug '033 



After 1 c.c. 0-5 / pilocarpine -014 



1 c.c. 2 / pilocarpine '009 



,, 2 c.c. 2 / atropine -015 



021 



3 c.c. 2 / atropine 



CO., 

 041 

 036 

 003 

 005 

 008 



