UPON THE VASCULAR SYSTEM. 



145 



EXPERIMENT LTII. — A Large Strong Cat which had fasted for thirteen houbs. 

 Canula in Carotid Artery. Trachea open. 



Time. 



Pulse in 10". 



Mean pressure in inches 

 ofHg. 



General Notes. 



9-20' 



32 



36 





22' 



33 



35 





23' 







5 milligrammes atropia sulphate 

 given. 



30" 



40 



3-7 





25' 



41 



3-8 





28' 







Both depressors and cervical sym- 

 pathetics divided.* 



29' 30" 



40 



3-7 





32' 







Both vagi divided. 



33' 25" 



38 



3-8 





35' 15" 



39 



3-9 





38' 



37 



3-8 





40' 5" 



38 



39 





Result— Division of vagi followed by no noteworthy change in pulse or 

 pressure. 



The general result of the foregoing experiments on rabbits and cats may be 

 learned from the following table. 



TABLE III. — General Results of the Foregoing Experiments on Rabbits and Cats. 



No. of Experiment. 



Nature of Animal. 



Vagi divided during 



Blood-Pressure. 



Pulse. 



XL. 



Rabbit. 



Digestion. 



Increased. 



Accelerated. 



XLI. 



» 



3) 



i' 



5) 



XLII. 



» 



» 



)> 



J! 



XLIII. 



)> 



1> 



»! 



)> 



XLIV. 



)> 



» 



)) 



Retarded. 



XXXIX. 



>> 



)) 



!> 



Unchanged. 



XLV. 



)> 



)) 



»J 



5) 



XLVI. 



Cat. 



!> 



>} 



5) 



XLVII. 



Rabbit. 



Fasting. 



Unchanged. 



!> 



XLVIII. 



>) 



>) 



)> 



J> 



XLIX. 



)! 



j) 



)5 



)) 



L 













)> 



>> 



)) 



J) 



LI. 



J) 



!) 



>! 



5> 



LII. 



)) 



>> 



)> 



)> 



LIU. 



Cat. 



" 



55 



»> 



In all these experiments the cardio-in" 



libitory nerves were 

 of the vagi. 



paralysed previous 



to the division 



See note to Experiment XLVI. 



