MOTOR ACTION OF VAGUS. 217 



Temp. 99 -8° F Tulse 7G 



99-5 73 



Both vagi cut 99-5 98 



Animal was now warmed. . . . 102 "4 83 



103 84 



104 87 



105 91 



106 91 



1C7 97 



107*5 97 



108-108-2 97 



lOJ 101 



109- 5-309 -7 102 



110-3-110'4 110 



111-111-1 108 



111-6-1117 107 



112-112-1 109 



112-5-112 -7 106 



113 90 



113-2 35 



113-5 18 



113-8 , 10 



The beats of the heart now became imperceptible. The 

 thorax was quickly opened, and the heart seen to be at rest 

 ond moderately contracted. On irritating the left vagus in the 

 neck by a strong induced current a slight undulating contrac- 

 tion began in the heart and lasted for a few seconds. After 

 stopping, it was again excited by direct irritation of the heart. 

 After stopping a second time, it could not be excited to move 

 by irritating either vagus, but slight movement occurred on 

 irritating tho heart directly. The abdominal parietes were 

 shghtly, but the viscera were not, congested. The bJood was 

 Uuid. 



Ud'jKi'imenf, VII I. — A strong rabbit, weighing between 3 and 

 4 lbs., was narcotised by the subcutaneous injection of 5 c.c. of 

 a 50 per cent, solution of chloral. Three-quarters of an hour 

 afterwards a cannula was placed in the trachea, and a thread 

 passed under each vagus, great care being taken to injure the 

 neive as little as possible. 



