OF THE CALABAR BEAN. 



763 



c Tension of the Arterial and Venous Systems after Division of the Vagi Nerves. 



Experiment LXI. 

 Performed on a young, full-grown and active retriever dog. 





Time 

 after 

 adminis- 

 tration. 



Arterial Tension. 













Time. 





Venous 

 Ten- 

 sion. 



No of 

 Cardiac 

 Contrac- 

 tions. 



No. of 

 .Respira- 

 tions. 



Tem- 

 perature. 



Notes of Operations and of 

 Symptoms. 



Mean 

 Pres- 



Pressure 

 Oscillates 







sure. 



between 













H. M. S. 



M. S. 









Per Min. 



Per Min. 



o 





2 38 



* * * 





■ • . 



« . • 



... 





• • « 



The carotid artery, external 

 jugular vein and vagus nerve 

 of each side were exposed. 



2 48 









• • • 







. . . 



The venous haemadynamometer 

 was attached to the left jugu- 

 lar vein. 



2 49 









1-9 



118 





998 





2 50 









1-8 





»•" 



992 



The right carotid artery was 

 connected with the second 

 hsemadynamometer. 



2 51 











20 





18 



98-8 





2 52 







4-9 



4-0 & 60 





102 





987 





2 53 







4-7 



3-5 5-5 



1-5 



*•• 



20 



99-2 





2 54 







5-0 



40 60 



2-2 



108 



... 



990 





2 55 







4-2 



3-5 5-0 









99-3 





2 56 













80 





99-2 





2 57 







• . ■ 







92 





99'2 





2 58 







4-5 



30 55 



2-1 



... 









259 







4-4 



30 5-0 



2-1 



... 









3 







46 



3-5 55 



21 



90 



16 



992 





3 1 

















99 3 



The right vagus nerve was cut 



















through. 



3 1 15 















99-3 



The left vagus was cut through. 

 The respirations became short 

 and spasmodic. 



3 2 









2-5 



60 





99-4 





3 3 





60 



5-5 60 



2-6 







99-3 



The mercury in the oscillating 

 column moves very rapidly 

 over short spaces. 



3 3 30 





5-8 



55 6-2 













3 4 







5 8 



58 6-2 



2 5 



120 





99-2 





3 4 30 







5-9 



5-5 60 



2-5 







. ■ ■ 





3 5 







59 



5-5 6-0 



2-5 



125 





99-2 





3 5 30 







5-9 



5-3 5-8 



... 



140 





. . . 





3 6 







58 



5-5 5-8 



25 



170 



30 



99-1 





3 6 30 







5-7 



5-3 5-7 





166 





, , , 





3 7 10 







5-7 



5-7 6-1 



• • • 



166 





992 



Commenced to inject slowly, 



















into the right jugular vein, 



















seven grains of extract in 



















twenty-five minims of water. 



3 7 30 

















Finished the injection. 



3 8 



30 



56 



5-0 55 





79 



20 



994 





3 8 30 



1 



56 



50 80 







• • • 







3 9 



1 30 





4-0 70 



28 



m 



50 





99-3 



Respiration spasmodic ; great 

 salivation. 



VOL. XXIV. PART III. 



9 x 



