UPON THE VASCULAR SYSTEM. 



139 



EXPERIMENT XLII. — Strong Rabbit, fed at 10 a.m. Canula in Carotid Artery. 



Trachea open. 



Time. 



Pulse in 10". 



Mean Pressure in inches 

 ofHg. 



General Notes. 



12- 2' 



36 



3-6 





4' 5" 



37 



3-6 





5' 







9 milligrammes atropise sulph. in- 

 jected into vein. 



30" 



50 



3-8 





6' 15" 



46 



3'8 





7' 35" 



44 



36 





8' 15" 



43 



3-7 





9' 







Both depressors divided. 



10' 25" 



42 



36 





11' 40" 



41 



37 





13' 







Right vagus divided. 



14' 10" 



40 



36 





15' 20" 







Left vagus divided. 



17' 30" 



50 



4-9 





18' 15" 



51 



5 





40" 







Cardio-inhibitory nerves proved to 

 be paralysed. 



20' 10" 



49 



4-8 





22' 



47 



4-7 





24' 5" 



47 



4-8 





Result. — Division of vagi, followed by increased pressure and accelerated 

 pulse. 



EXPERIMENT XLIII. — Strong Rabbit, eed at 10.30 a.m. Canula in Carotid Artery. 



Trachea open. 



Time. 



Pulse in 10". 



Mean Pressure in inches 

 ofHg. 



General Notes. 



1-15' 



41 



4-1 





16' 10" 



42 



3-9 





17' 15" 



41 



3-9 





18' 5" 







10 milligrammes atropia sulphate 

 injected into vein. 



55" 



58 



4-2 





20' 



54 



4 





22' 8" 



52 



4-1 





23' 15" 



53 



4 





24' 5" 







Both depressors divided. 



25' 30" 



52 



4-1 





26' 5" 



50 



3-9 





27' 







Both vagi divided. 



28' 30" 



54 



5-2 





30' 



55 



5 





34' 



54 



4-9 





37' 1" 



55 



4-9 





VOL. XXVI. PART I. 



2 



